Major Test 04-04-2019 Paper

(1001CMD305418044)

*1001CMD305418044*  52    This Booklet contains 52 

Test Pattern pages.



NEET(UG) MAJOR

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  : 1.

2.

3. 4.

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 In case of any ambiguity in translation of any question, English version shall be treated as final.

 ( ): Name of the Candidate (in Capitals)  :  Form Number : in figures :  : in words  ( ): Centre of Examination (in Capitals) :  : Candidate’s Signature :

 : Invigilator’s Signature :

Facsimile signature stamp of Centre Superintendent :

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1.

2.



The portion of embryonal axis above the level of cotyledons is

1.

    -

(1) Epicotyl

(1)



(2) Hypocotyl

(2)



(3) Radicle

(3)



(4) Scutellum

(4)



Which of the following combination(s) is/are correctly matched ? (A) Trichomes

2.

Unicellular; helps in

   ? (A)





gaseous exchange (B) Root hairs

Multicellular; Protect

(B)



from infections (C) Trichomes

(C)



 

transpiration

3.

 

Multicellular; prevent water loss due to

(D) Root hairs



(D)

Unicellular; absorb



 

water and mineral

 

from soil

 A

(1) Only A

(1)

(2) A and B

(2) A

(3) Only B

(3)

(4) C and D

(4) C

Autoecology does not deals with the study at which of the following level :-

3.

B

B D

  :(1)



(2) species level

(2)



(3) Community level

(3)



(4) Organism level

(4)



(1) Population level

All Enthusiast, Leader (MLB,F,J,K,Q,R,S,T,U), Achiever (MAZA,F,G,J,K,L,M,P,S,Y,MAPA & -Achiever)

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04-04-2019/Hindi

4.



In which of the following case the F1 generation resembles either one of the parents?

4.

(1)



(2)



(3) Dominance

(3)



(4) Both (2) and (3)

(4) (2)

(1) co-dominance (2) Incomplete dominance

5.

6.

 F1   ?

How many peptide bonds present in a 900 amino acid containing polypeptide chain?

5.

900 



(1) 175

(1) 175

(2) 450

(2) 450

(3) 879

(3) 879

(4) 899

(4) 899

Identify group of phylums which is exclusively marine

6.

  (1)



(2)



(3) Ctenophora, chordata, echinodermata

(3)



(4) Hemichordata, echinodermata, ctenophora

(4)

 ,  , 

(1) Mollusca, hemichordata, porifera (2) Arthropoda, coelentrata, ctenophora

7.

Common bile duct is formed by

7.

(1) Cystic duct along with common hepatic duct (2) Hepatic duct along with pancreatic duct (3) Two hepatic ducts (4) Duct of santorini along with cystic duct 8.

(3)  

During contraction of skeletal muscle which is most likely to occur ? (1) Disappearance of sarcomere

8.

   (1)  (2)  (3)   (4)     (1)

(2) Increased length of 'A' band (3) ATP is hydrolysed into ADP and inorganic phosphate (4) Actin filaments slide over Z-line

 

(2) 'A'

   

(3) ATP ADP  (4)

Z- 

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9.

10.

11.

Which of the glycogenolysis?

following



stimulates

9.

(1) Catecholamines and cortisol

(1)



(2) Cortisol and insulin

(2)

 

(3) ADH and cortisol

(3) ADH

(4) Both (1) and (2)

(4) (1)



(2) 

equilibrium ?

  ?

(1) Genetic drift

(1)

 

(2) Mutation

(2)



(3) Natural selection

(3)



(4) All

(4)



Which of the following affects Hardy-Weinburg

Chemiosmotic hypothesis excludes

10.

11.

(1) Splitting of water molecules on inner side of thylakoid membrane. (2) Protons & hydrogen that are produced by splitting of water accumulate within Lumen of thylakoids. (3) As electrons moves through photosystem, electrons are transports across the thylacoid membrane.

In which of the following condition biomass degraded at fastest rate (1) N2 rich content, warm & moist condition (2) cold and dry condition (3) biomass which is rich of plastic waste

 (Chemiosmotic)   (1)

 

(2)

 

(3)

   

(4) NADP 

(4) NADP reductase enzyme is located on stroma side of membrane. 12.

  ?

 

12.

  (1) N2

 

(2)

  

(3)

 

(4)



(4) solid waste rich in heavy metals.

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13.



In which of the given plants placenta develops at the base of ovary and a single ovule is attached to it ?

13.

(1) Tomato, Lemon (2) Mustard, Argemone (3) Dianthus, Primrose (4) Sunflower, Marigold 14.

Which of the following inheritance is not possible in the given pedigree ?

14.

    ? ,  (1)  (2)  ,  (3)  ,  (4)  ,  ?  

(1)



(2)



(1) Autosomal recessive (2) Autosomal dominant

15.

(3) X-linked dominant

(3) X-

(4) X-linked recessive

(4) X-

Select the odd one from the following with respect to ecological relationship :-

15.

 :(1)

  

(2)

 

(3) Copepods on marine fish

(3)



(4) Egret forage close to cattle

(4)

 ( )

(1) Barnacles on back of a whale (2) Sea anemon and clown fish

16.

External fertilization is found in -

16.



(1) Entire pisces and tetrapoda

(1)



(2) Phylum porifera

(2)

 

(3) Phylum echinodermata and phylum hemichordata

(3)

  

(4) Phylum porifera

(4)



arthropoda

ctenophora

and phylum

and phylum

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17.



Identify enzyme which mediates this reaction ?

17.

?

?

CO2  H2O  H2CO3  HCO3  H

(3) Trypsinogen (4) Elastase This is age related disorder and decline in level of a sex hormone is a common cause for this disorder. Identify it

18.

(1)



(2)



(3) Arthritis

(3)



(4) Osteoporosis

(4)



(1) Muscular dystrophy (2) Tetany

Which of the following hormone interact with intracellular receptors

19.

(1) Steroid hormones and iodothyronines (2) Peptides and protein hormones (3) Peptides and steroid hormones (4) Peptide hormone and iodothyronines 20.

21.

 (2)  (3)  (4)     (1)

(2) Dehydrogenase

19.

Cranial capacity of Homo habilis was

20.

  (1)  (2)  (3)  (4) 

   

(1) 1400 cc

(1) 1400 cc

(2) 650-800 cc

(2) 650-800 cc

(3) 450 cc

(3) 450 cc

(4) 900 cc

(4) 900 cc

Which synchronise fruit set in pineapple ? (1) Auxins (2) Cytokinin (3) Gibberellin (4) Ethylene

?

CO2  H2O  H2CO3  HCO3  H

(1) Carbonic anhydrase

18.

 

21.

 (1)  (2)  (3)  (4) 

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22.



Statins commercially used as blood cholesterol lowering agents are produced by

22.

(1) Monascus purpureus

       (1)

(2) Trichoderma

(2) (3) Agrobacterium

(3)

(4) Acetobacter 23.

(4)

AATTCGATACGATA sequence in a chromosome of human repeat 15 times, due to mutation one of the repeat mutate into AATTCGATACGTTA. This change is called-

23.

25.

26.

AATTCGATACGATA  15 repeat    repeat      AATTCGATACGTTA 

  

(1) SNP

24.

   

(1) SNP

(2) STP

(2) STP

(3) VNTR

(3) VNTR

(4) ISR

(4) ISR

Stored food of red algae is similar to :-

24.



(1) Chitin

(1)



(2) Mannitol

(2)



(3) Amylopectin and glycogen

(3)



(4) Glycogen and chitin

(4)



Isogamous sexual reproduction is found in:

25.



(1) Chlamydomonas

(1)



(2) Chara

(2)



(3) Volvox

(3)



(4) Fucus

(4)



Examples of dense-regular connective tissue are:

26.

 (1)



(2)



(1) Ligament (2) Tendon (3) Both (1) and (2) (4) Blood

(3) (1) (4)

(2) 



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27.

28.

Rh-incompatibility is found in between

 27.

Rh- 

(1) Rh -ve blood of pregnant mother and Rh -ve blood of foetus.

(1)

Rh -ve  Rh  -ve 

(2) Rh +ve blood of pregnant mother and Rh +ve blood of foetus.

(2)

Rh +ve  Rh +ve  

(3) Rh -ve blood of pregnant mother and Rh +ve blood of foetus.

(3)

 Rh -ve  Rh +ve 

(4) Rh +ve blood of pregnant mother and Rh -ve blood of foetus.

(4)

Rh +ve  Rh -ve  

Which of the following is a cartilaginous joint?

28.

 (1)



(2)



(3) Joint between pubis bones

(3)



(4) Both (2) and (3)

(4) (2)

(1) Joint between skull bones (2) Joint between adjacent vertebrae

29.

Which of the following functions is performed by progesterone ?

29.

 (1)

 

(2)

 

(3) Female sexual behaviour

(3)



(4) Both (1) and (2)

(4) (1)

(1) Formation of alveoli in mammary glands (2) Milk secretion

30.

(3) 

Which antibody exists in pentamer form ?

30.

(2) 

 ?

(1) IgG

(1) IgG

(2) IgM

(2) IgM

(3) IgA

(3) IgA

(4) IgD

(4) IgD

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31.



Which one of the following statement is incorrect?

31.

 (1)



(2)

  

(3) Vallisnaria is pollinated by water

(3)

  

(4) Maize is a monoecious plant

(4)



(1) Pappaya is a monoecious plant (2) Grass is pollinated by air

32.

33.

Which is a potent force for organic evolution?

32.

(1) Intra specific competition

(1)



(2) Inter specific competition

(2)



(3) Predation

(3)



(4) Parasitism

(4)



Monarch butterfly is highly distasteful to its predator because :-

33.

(1) Special chemical is synthesisd in its wings

35.

   :(1)

 

(2)

 

(3) It contain strychnine

(3)

 

(4) It contain Quinine

(4)

 

(2) Special chemical stored in its body

34.

 

Ringworm disease in human is caused by

34.

 

(1) Virus

(1)



(2) Bacteria

(2)



(3) Fungi

(3)



(4) Nematode

(4)



Which of the following polynucleotide recognize monomer of polypeptide and on other hand recognise codon-

35.

  

(1) t-RNA

(1) t-RNA

(2) r-RNA

(2) r-RNA

(3) m-RNA

(3) m-RNA

(4) SnRNA

(4) SnRNA

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 36.

Given diagram represents head region of cockroach and parts of head region. Identify structure which forms upper lip.

Ocellus

36.

   

Ocellus

Compound eye

Compound eye

a

a c

c

b

b

d

d

37.

(1) a

(1) a

(2) b

(2) b

(3) c

(3) c

(4) d

(4) d

Select correct answer regarding blood vascular systemOpen circulatory system

Closed circulatory system

(1)

Frog, cockroach

Earthworm, human

(2)

Cockroach, housefly Frog, earthworm

(3)

Mollusca, annelida

(4)

Chordata, arthropoda Mollusca, annelida

Arthropoda, chordata

37.

    

  

 



   





 



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38.



Match the column w.r.t. different types of neurons Type of neuron

38.

Occurrence

A.

Unipolar

i.

Retina of eye

B.

Bipolar

ii. Embryonic stage

C.

Multipolar

iii. Cerebral cortex

(1) ABC / i, ii, iii

39.

(1) ABC / i, ii, iii

(2) ABC / ii, i, iii

(2) ABC / ii, i, iii

(3) ABC / iii, i, ii

(3) ABC / iii, i, ii

(4) ABC / i, iii, ii

(4) ABC / i, iii, ii

Match the column Column-A

A.

                 A.  i.   B.  ii.  C.  iii.  

Perimetrium

39.

 -A

-B 

(A)



i.

(B)



ii.

(C)



iii.

Column-B i. Thin membranous layer

B.

Myometrium

ii. Glandular layer

C.

Endometrium

iii. Thick layer of

 

    

smooth muscle (1) ABC / i, ii, iii

(1) ABC / i, ii, iii

40.

41.

(2) ABC / i, iii, ii

(2) ABC / i, iii, ii

(3) ABC / ii, i, iii

(3) ABC / ii, i, iii

(4) ABC / iii, i, ii

(4) ABC / iii, i, ii

Examples of passive immunity are

40.

 

(1) Vaccination

(1)



(2) Infections through pathogens

(2)



(3) Antibodies against snake venom

(3)

 

(4) Both (1) and (3)

(4) (1)

Thalamus is edible part in fruit of (1) Apple (2) Mango (3) Coconut (4) Banana

41.

(3) 

  (1)  (2)  (3)  (4) 

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42.

43.

44.



Enzyme required to obtain protoplast from a typical plant cell-

42.

Enzyme  protoplast 



(1) Proteolytic enzyme

(1)



(2) Cellulase

(2)



(3) Lysozyme

(3)



(4) Lipase

(4)



World population day is-

43.



(1) 11 July

(1) 11 July

(2) 1 May

(2) 1 May

(3) 5 June

(3) 5 June

(4) 29 Dec

(4) 29 Dec

In which of the following aspect mutation breeding is better than conventional breeding-

44.

   -

(1) Constraint by availability of desired genes. (2) May produce new desired combination of trait.

(1)

 

(2)



(3) Radiation (3) Use radiation. (4)

(4) Less expansive. 45.

Select the correct statement with respect to growth

45.

 



 (1)

 

(2) Growth in animals is indefinite

(2)

 

(3) Growth in living beings is mainly intrinsic

(3)

  

(4) Growth is a defining property of living beings.

(4)



(1) Growth in plants is always definite

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 46.

47.

juice?

 ? 

(1) Trypsinogen, prorennin, ptyalin

(1)



(2) Chymotrypsinogen, lipase, nuclease

(2)



(3) Maltase, sucrase, trypsinogen

(3)



(4) Pancreatic amylase, lactase, dipeptidase

(4)

 

Identify set of enzymes found in pancreatic

This is diagrammatic presentation of ECG. Which of the following waves represents repolarisation of ventricle ?

46.

47.

 ECG       R

R

P P

Q

S

T

(2) Q-wave

(2) Q-

(3) S-wave

(3) S-

(4) T-wave

(4) T-

During repolarisation of a neuron, permeability of axonal membrane is higher for (1) K

48.

    (2) Na+

(3) Ca++

(3) Ca++

(4) Both (1) and (2)

(4) (1)

Which of the following cells are diploid (1) Secondary spermatocytes and primary oocytes

49.

(4) Sperms and ovum

(2) 

   (1)

 

(2)



(3)



(4)



(2) Primary spermatocytes and oogonia (3) Spermatid and spermatozoa

T

(1) K +

+

(2) Na+

49.

S

(1) P-

(1) P-wave

48.

Q

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 50.

51.

Genome of HIV is :-

50.

(1) Single stranded RNA

(1)



(2) Double stranded RNA

(2)



(3) Single stranded DNA

(3)



(4) Double stranded DNA

(4)

 

used respectively:

C4  ATP   

(1) 36 and 60

(1) 36

 60

(2) 10 and 20

(2) 10

 20

(3) 18 and 30

(3) 18

 30

(4) 15 and 20

(4) 15

 20

In the synthesis of one mole of sucrose by C3

51.

and C4 plants, the number of moles of ATP

52.

Which one of the following layer does not surround the microsporangium ?

52.

(1) Epidermis (2) Endodermis (3) Middle layer (4) Tapetum 53.

Which of the following Medalian principle explain 3:1 ratio-

53.

(1) Non disjunction (2) law of dominance (3) law of independent assortment (4) law of unit pair 54.

 :-

In maize, inflorescence is

54.

C3

 ? (1)  (2)  (3)   (4)   3:1   (1)  (2)  (3)  (4)   

(1) Spadix

(1)



(2) Umbel

(2)



(3)



(4)



(3) Catkin (4) Corymb

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55.

The stroma of chloroplast contains :-

 55.

(a) enzymes for krebs cycle.

(a)



(b) ribosomes similar in size and density to that of mitochondria.

(b)

  

(c) enzymes for photosynthesis.

(c)

 

(d)

A= 

dark

reaction

of

(d) DNA is rich in A = T.

56.

 



(1) b and c

(1) b

c 

(2) a and d

(2) a

d 

(3) a and b

(3) a

 b

(4) b, c and d

(4) b, c

A : Stomach stores food for 4-5 hours.

56.

A:

 d

 4-5   

B : Carbohydrates in the chyme are

B : 

hydrolysed by pancreatic amylase into

  (1)

A  

(2)

B  

(3) Both A and B correct

(3)

 A  B  

(4) Both wrong

(4)

 

(1) Only A correct (2) Only B correct

58.

T

Choose the correct :-

disaccharides.

57.

 

Effect of parasympathetic nervous sytem on heart is : (1) Increased cardiac output (2) Increased speed of conduction of action potential (3) Decreased heart rate (4) Increased speed of ventricular contraction

57.

Limbic system includes :-

58.

(1) Amygdala and hippocampus (2) Mid brain and hind brain (3) Pons and medulla (4) Olfactory lobe and medulla

   (1)

 

(2)

 

(3)



(4)



 :(1)  (2)  (3)  (4) 

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59.



The first menstruation begins at puberty and is called

59.

  (1)  (2)  (3)  (4) 

60.

X-

(1) Menarche (2) Pubarche (3) Thelarche (4) Menorrhagia 60.

61.

X-rays are associated with (1) Treatment of tumours

(1)



(2) Generation of tumours

(2)



(3) Detection of tumours

(3)

 

(4) All of these

(4)



Sexaul reproduction in fungi occur by means of:(1) Sporangiospore, Ascospore

Oospore

61.

and

(1)



(2) Zoospore, Oospore and Ascospores

(2)



(3) Sporangiospore, basidiospore

(3)



(4)



Ascospore

and

(4) Oospore, Ascospore and basidiospore 62.

Which of the following is the most common cause of trisomy and mental retardation in children ?

62.

 ?  (1)



(2)



(3) Down's syndrome

(3)



(4) Sickle cell Anaemia

(4)

(1) Klinefelter's syndrome (2) Turner's syndrome

63.

 ? 

The process in which egg cell of female gametophyte is responsible to form embryo without fertilization is known as :(1) Parthenogenesis (2) Parthenocarpy (3) Adventive embryony (4) Apospory

63.

               :(1)  (2)  (3)  (4) 

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64.

65.



Peat is obtained from

64.

(1)

(2) Chara

(2)

(3) Sphagnum

(3)

(4) Chlorella

               (1)  (2)  (3)  (4)  (4)

During the formation of leaves and elongation of stem, some cells left behind from shoot apical meristem, they consitute–

65.

(2) Fascicular cambium (3) Axillary bud (4) Secondary meristem

67.

66.

Normal inspiration is initiated by

   

(1) Contraction of diaphragm

(1)

(2) Relaxation of EICM

(2) EICM

(3) Contraction of IICM

(3) IICM

(4) Contraction of both EICM and IICM

EICM  IICM                               

Select correct option regarding to animal group and their waste -

(1) Ammonia

Uric acid

(2) Uric acid

Ammonia

(3) Ammonia

Urea

(4) Urea

Ammonia

Select correct statement :-

 

(4)

67.

Many bony fish Many marine fish

68.

  

(1) Riccia

(1) Lateral meristem

66.

 

68.

(1) Twilight vision is function of cones

(1)

  

(2) Iodopsin is also called visual purple

(2)

  

(3) Optic nerve leaves eye at blind spot

(3)

 

(4)

  

(4) Vitreous chamber is filled with thin watery fluid

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69.



First and second meiotic divisions in different stages of oogenesis are respectively-

69.

(1)

 

(2)



(3) Unequal and unequal

(3)



(4) Unequal and equal

(4)



(1) Equal and equal (2) Equal and unequal

70.

Match each disease with its correct type of

70.

vaccine:

      : (a)



(i)

(b) whooping cough (ii) inactivated toxin

(b)



(ii)

(c) diphtheria

(iii) killed bacteria

(c)



(iii)



(d) polio

(iv) harmless bacteria

(d)



(iv)



(a)

(b)

(c)

(d)

(a) tuberculosis

(a)

71.

  

(i) harmless virus



(b)

(c)

(d)

(1) (iii)

(ii)

(iv)

(i)

(1) (iii)

(ii)

(iv)

(i)

(2) (iv)

(iii)

(ii)

(i)

(2) (iv)

(iii)

(ii)

(i)

(3) (i)

(ii)

(iv)

(iii)

(3) (i)

(ii)

(iv)

(iii)

(4) (ii)

(i)

(iii)

(iv)

(4) (ii)

(i)

(iii)

(iv)

Which of the following is not a function of ecosystem ?

71.

  (1)



(2)



(3) Energy flow

(3)



(4) Decomposition

(4)



(1) Productivity (2) Stratification

72.

 

Which enzyme catalyse polymerisation of lagging strand in prokaryote-

72.

       

(1) DNA dependent DNA polymerase

(1) DNA dependent DNA polymerase

(2) DNA ligase

(2) DNA ligase

(3)  -DNA polymerase

(3)  -DNA polymerase

(4) RNA dependent DNA polymerase

(4) RNA dependent DNA polymerase

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 73.

74.

Sclerenchymatous bundle sheath is present in vascular bundle of

73.

(1) Gram stems

(1)



(2) Pea stems

(2)



(3) Sunflower stems

(3)



(4) Grass stems

(4)

 

74.

Read the following statements– (i)

Golgi cisternae are concentrically arranged near the nucleus with distinct concave cis or convex maturing face.

(ii) The cis and the trans faces of the golgi body are entirely different and not inter connected. (iii) Lipases, proteases, carbohydrases are hydrolytic enzymes. (iv) Extrinsic proteins are present only at outer surface of plasma membrane (1) Only (iii) incorrect (2) Only (iii) correct

75.

  :-

  (i)

    

(ii)

   

(iii)

  

(iv)

 

(1)

 (iii) 

(2)

 (iii) 

(3) Both (i) and (iii) correct

(3) (i)

(4) Only (iv) correct

(4)

Amount of DNA become double in a cell in-

75.

(iii)  

 (iv) 

DNA

 

(1) G1-Phase

(1) G1-

(2) S-Phase

(2) S-

(3) G2-Phase

(3) G2-

(4) Prophase

(4)



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 76.

77.

78.

Which of the following factors shift oxygen dissociation curve to right ? (1) High pO 2 , low pCO 2 , lesser H + concentration (2) Low pO 2 , high pCO 2 , high H + concentration (3) High temperature, low pCO2, lesser H+ concentration (4) Low pO2, less temperature, high H+ concentration

76.

Urea can be found in

77.

(1)

pO2,  pCO2,  H+ 

(2)

pO2,  pCO2,  H+  

(3)

,  pCO2,  H+  

(4)

pO2,  ,  H+  

   

(1) Blood and urine

(1)



(2) Urine and sweat

(2)



(3) Sweat and saliva

(3)



(4) All

(4)

Perilymph is found in

78.

(1) Scala media and scala vestibuli (2) Scala vestibuli and scala tympani (3) Scala media and scala tympani (4) All of the above 79.

  

79.

Match the column Column-A A.

Multiload 375

   (1)    (2)    (3)   (4)    -B 

Column-B i. Copper releasing

A.

 i.

IUD B.

LNG-20

C.

Lippes loop



ii. Hormone releasing B.

IUD



ii.



iii. Non-medicated IUD

-B    

C.



(1) ABC / ii, i, iii

(1) ABC / ii, i, iii

(2) ABC / iii, ii, i

(2) ABC / iii, ii, i

(3) ABC / i, iii, ii

(3) ABC / i, iii, ii

(4) ABC / i, ii, iii

(4) ABC / i, ii, iii

iii.

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 80.

81.

a normal cardiac cycle is

  

(1) 120 m.L.

(1) 120 m.L.

(2) 50 m.L.

(2) 50 m.L.

(3) 70 m.L.

(3) 70 m.L.

(4) 60 m.L.

(4) 60 m.L.

The average value of end diastolic volume in

In independent assortment what actually assort independently :-

80.

81.

(1) Characters (2) Contrasting traits (3) Allelic genes (4) Non homologous chromosomes 82.

w=–5

82.

w=–5

B A Selectively permeable membrane

w=–5

w=–5

A

B

 

If some solutes molecules are added in system B then net movement of solvent is (1) A to B by active transport (2) B to A by passive transport (3) A to B by passive transport (4) No movement at solvent moleculer 83.

   :(1)  (2)  (3)  (4) 

How many autosomes are present in Turner's syndrome and klinifelter's syndrome respectively

83.

B    (1) A B   (2) B A   (3) A B   (4)      autosomes  (1) 45

 47

(2) 44

 45

(3) 44 and 44

(3) 44

44 

(4) 47 and 45

(4) 47

 45

(1) 45 and 47 (2) 44 and 45

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84.

85.

86.



Which of the following floral formula belongs to family-Fabaceae ?

84.

   

(1) Ebr  + K2 + 2C4×A2 + 4 G(2)

(1) Ebr  + K2 + 2C4×A2 + 4 G(2)

(2) Br  + Epi3– 7 K(5) C5A() G(2)

(2) Br  + Epi3– 7 K(5) C5A( ) G(2)

(3) Br % + K(5)C1 + 2 + (2)A(9)+1 G 1

(3) Br % + K(5)C1 + 2 + (2)A(9)+1 G 1

(4) Br % + K(5)C(5)A1 G(2)

(4) Br % + K(5)C(5)A1 G(2)

A dihybrid AaBb produces 5% ab gamete, find genotype of parent

85.

parent  AaBb 5% ab  genotype  

(1) AABB × aabb

(1) AABB × aabb

(2) AaBb × AaBb

(2) AaBb × AaBb

(3) AAbb × aaBB

(3) AAbb × aaBB

(4) AaBb × aabb

(4) AaBb × aabb

Identify given animals A and B respectively-

B.

86.

A  B   

A.

B.

(1) Euspongia, adamsia

(1)



(2) Spongilla, pleurobrachia

(2)



(3) Euspongia, pleurobrachia

(3)



(4) Sycon, Aurelia

(4)



A.

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04-04-2019/Hindi

87.



Select correct option w.r.t. two types of nephrons in kidneys

87.

         

Juxtaglomerular Cortical nephron



(1) Higher number

Lesser number

(2) Vasa recta less

Vasa recta more

 

developed

  

developed (3) Loop of Henle longer



Loop of Henle shorter

(4) No role in

88.



nephron

Maintenance of

counter current

counter current

mechanism

mechanism

Otolith organ is composed of

88.

(1) Saccule and semicircular ducts (2) Utricle and organ of corti (3) Saccule and utricle (4) Utricle and semicircular ducts 89.

90.

According to Darwin, variation are

89.

     



 



 



     (1)  (2)   (3)  (4)     

(1) Small, directionless and random

(1)



(2) Large, single step and directional

(2)



(3) Small, gradual and directional

(3)



(4) Large, gradual and directionless

(4)

 

Concentration of 'A' ion is higher in ECF of a resting neuron while concentration of 'B' ion is higher in cytoplasm of the same. Permeability of axonal membrane is higher for 'B' in the 'C' state. Identify A, B and C respectively : +

+

+

+

(1) Na , K , resting (2) Na , K , excited +

+

+

+

90.

ECF  'A'    'B'     'B'  'C' A, B  C   (1) Na+, K+,



(2) Na+, K+,



(3) K+, Na+,



(4) K+, Na+,



(3) K , Na , excited (4) K , Na , resting

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91.

92.

93.



One atom of an element weighs 3.32 × 10–23 g. How many number of gram atoms are there in 20 kg of the element ?

 3.32 × 10–23g   20 kg   

(1) 2000

(1) 2000

(2) 20

(2) 20

(3) 200

(3) 200

(4) 1000

(4) 1000

A solution containing 12.5 g of non-electrolyte substance in 250 g of water shows boiling point elevation of 0.52 K. Calculate the molar mass of the substance. (Kb = 0.52 K kg mol–1)

92.

 250 g     0.52 K     12.5 g

(Kb = 0.52 K kg mol–1 )

(1) 43.06 g mol–1

(1) 43.06 g mol–1

(2) 25.3 g mol–1

(2) 25.3 g mol–1

(3) 16.08 g mol–1

(3) 16.08 g mol–1

(4) 50 g mol–1

(4) 50 g mol–1

Polysaccharides have .............. linkage ? (1) Glycosidic (2) Peptide (3) Anomeric (4) Polymorphic

94.

91.

CH 3–CH–CH = CH2 + HBr  X(product) CH3

93.

 ..............  ? (1)  (2)  (3)  (4) 

94. CH 3–CH–CH = CH2 + HBr  X(product)

CH3

What is the major product i.e. X in the reaction?

  X

(1) CH 3 CH CH2CH2 Br | CH3

(1) CH3 CH CH2CH2 Br | CH3

(2) CH3

Br | C CH2 CH 3 | CH3

(2) CH3

Br | C CH2 CH 3 | CH3

(3) CH 3 CH CH CH3 | | CH 3 Br

(3) CH 3 CH CH CH3 | | CH 3 Br

(4) CH2 CH CH2 CH3 | | Br CH3

(4) CH2 CH CH2 CH3 | | Br CH3

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04-04-2019/Hindi

95.

96.

97.

98.



Which one is the most likely formula of CrCl3. 2 6H2O if of total chlorine of the compound is 3 ppt. by adding AgNO3 to its aqueous solution:

95.

 CrCl3. 6H2O  AgNO3 2

 3  :

(1) CrCl3.6H 2O

(1) CrCl3.6H 2O

(2) [CrCl2(H 2O) 4]Cl.2H 2O

(2) [CrCl2(H 2O) 4]Cl.2H 2O

(3) [CrCl(H 2O) 5]Cl 2.H 2 O

(3) [CrCl(H 2O) 5]Cl 2.H 2 O

(4) [CrCl3(H 2O) 3].3H 2O

(4) [CrCl3(H 2O) 3].3H 2O

The frequency of radiation absorbed or emitted when transition occurs between two stationary states with energies E1 (lower) and E2 (higher) is given by

96.

    E1 ( ) E2 ( )   

(1)  =

E1 + E2 h

(1)  =

E1 + E2 h

(2)  =

E1 – E2 h

(2)  =

E1 – E2 h

(3)  =

E1 × E2 h

(3)  =

E1 × E2 h

(4)  =

E2 – E1 h

(4)  =

E2 – E1 h

Δ r Gº for the cell with the cell reaction :

97.

  Δ r Gº :

Zn (s) + Cu +2(aq)  Zn 2+(aq) + Cu(s)

Zn (s) + Cu +2(aq)  Zn 2+(aq) + Cu(s)

[ E°Cu+2 /Cu = 0.34V , E°Zn2+ /Zn = –0.76V ]

[ E°Cu+2 /Cu = 0.34V , E°Zn2+ /Zn = –0.76V ]

(1) 2.13 × 105 J mol–1

(1) 2.13 × 105 J mol–1

(2) – 2.12 × 105 J mol–1

(2) – 2.12 × 105 J mol–1

(3) 1.06 × 105 J mol–1

(3) 1.06 × 105 J mol–1

(4) –1.06 × 105 J mol–1

(4) –1.06 × 105 J mol–1

The monomer of teflon is :-

98.

:

(1) CF2 = CF2

(1) CF2 = CF2

(2) CFCl = CF2

(2) CFCl = CF2

(3) CCl2 = CCl2

(3) CCl2 = CCl2

(4) CFCl = CFCI

(4) CFCl = CFCI

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99.



Correct reactivity order of following compound towards alkaline hydrolysis is:CH 2 Cl

I.

99.

 

CH2 Cl II.

CH 2 Cl

I.

CH3O

CH2 Cl II.

CH3O

CH2 Cl III.

CH 2 Cl

CH 2 Cl

IV.

CH 2 Cl

III.

IV.

CH 3

CH 3

CH3

CH 3

(1) I > II > III > IV

(1) I > II > III > IV

(2) I > III > IV > II

(2) I > III > IV > II

(3) I > IV > III > II

(3) I > IV > III > II

(4) III > IV > II > I

(4) III > IV > II > I

100. Among the following pair of complexes, in which case the 0 value is higher for the first one than second ?

(2) [CoF6]

and [Co(NH3)6]

 0    (1) [Co(NH3)6]3+

(1) [Co(NH3)6]3+ and [Co(CN)6]33-

100.

(2) [CoF6]3-

3+

(3) [Co(H2O) 6]2+ and [Co(H2O) 6]3+ (4) [Rh(H2O)6]3+ and [Co(H2O)6]3+ 101. At 1 atmosheric pressure and 0ºC, certain mass of a gas measures 0.4 L. Keeping the pressure constant, if the temperature is increased to 273ºC, what will be its volume?

[Co(CN)6]3

[Co(NH3)6]3+ 

(3) [Co(H2O)6]2+

 [Co(H2O)6]3+

(4) [Rh(H2O)6] 3+

[Co(H2O)6]3+ 

0ºC        0.4 L   273ºC  ? 

101. 1

(1) 0.8 L

(1) 0.8 L

(2) 22.4 L

(2) 22.4 L

(3) 54.6 L

(3) 54.6 L

(4) 0.4 L

(4) 0.4 L

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that of Y increases by 20 times, what could be the electrolytes X and Y ?

Y   500 mL  X  Λ m 1.5  Y  Λ m 20  X Y     ?

(1) X  NaCl, Y  KCl

(1) X  NaCl, Y  KCl

(2) X  NaCl, Y  CH3COOH

(2) X  NaCl, Y  CH3COOH

(3) X  KOH, Y  NaOH

(3) X  KOH, Y  NaOH

(4) X  CH3COOH, Y  NaCl

(4) X  CH3COOH, Y  NaCl

102. Two solutions of X and Y electrolytes are taken in two beakers and diluted by adding 500 mL

102. X

of water. Λ m of X increases by 1.5 times while

103. Carbyl-amine reaction is given by

NH 2

(1) (2) (3)

103.

NH 2

(1) (2)

NH

N

(3)

N H

(4)



(4)

104. Number of geometrical isomers of the given compound :

104.

CH2=CH–CH=CH–CH=CH–CH2–CH=CH 2 is :-

NH

N

N H

  :  CH2=CH–CH=CH–CH=CH–CH2–CH=CH 2 (1) 3

(1) 3

(2) 4

(2) 4 (3) 2

(3) 2

(4) 10

(4) 10 105. Froth floatation process used for the concentration of sulphide ore and : (1) It is based on absorbtion principle (2) It is based on adsorbtion principle (3) It is based on crystallisation method (4) It's based on concept of specific gravity

105.

  : (1)   (2)   (3)  (4)  

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(Given heats of formation of CH4, CO2 and H2O are –75, –400 and –240 kJ mol–1 respectively)

  ? ( CH4, CO2  H2O  –75, –400  –240 kJ mol–1  )

(1) 805.8 kJ

(1) 805.8 kJ

(2) 398.8 kJ

(2) 398.8 kJ

(3) 322 kJ

(3) 322 kJ

(4) 640.4 kJ

(4) 640.4 kJ

106. What will be the amount of heat evolved by burning 0.4 moles of methane ?

107. In a pseudo first order hydrolysis of ester in water, the following results were obtained. t/s

0

Ester/mol L

0.55

30 0.31

60 0.17

107.

      t/s

90 0.085

Ester/mol L

–1

0

30

60

0.55

0.31

0.17

90 0.085

What will be the average rate of reaction between the time interval 30 to 60 seconds?

30 60     

(1) 1.91 × 10–4 Ms–1

(1) 1.91 × 10–4 Ms–1

(2) 4.67 × 10–3 mol L–1 s–1

(2) 4.67 × 10–3 mol L–1 s–1

(3) 1.98 × 10–3 s–1

(3) 1.98 × 10–3 s–1

(4) 2.07 × 10–2 s–1

(4) 2.07 × 10–2 s–1

H 108.

–1

106. 0.4

C

O

H

HIO4 (CHOH)4   Compound

108.

CH2OH

C

O

HIO4 (CHOH)4  



CH2OH

How many mole of formic acid are formed in the given reaction?



(1) 3

(1) 3

(2) 4

(2) 4

(3) 5

(3) 5

(4) 6

(4) 6

109. Which of the following represent correct order of hydration energy ?

109.

    

(1) Be+2 < Li+

(1) Be+2 < Li+

(2) F- < Cl- < Br-< I-

(2) F- < Cl- < Br-< I-

(3) Li+ < K+ < Cs+

(3) Li+ < K+ < Cs+

(4) Al+3 > Mg+2 > Na+

(4) Al+3 > Mg+2 > Na+

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110. Hydrogen peroxide has a :

110.

(1) linear structure (2) pyramidal structure (3) closed book type structure (4) half open book type structure 111. At 373 K steam and water are in equilibrium and H = 39.2 kJ mol–1. What will be S for conversion of 1 mole of water into steam ?

111.

 : (1)  (2)  (3)  (4)    373 K         H = 39.2 kJ mol–1, 1 S 

H2O(  )  H2O(g)

(1) 105 J K

–1

H2O(  )  H2O(g)

–1

mol

(1) 105 J K–1 mol–1

(2) 31 J K–1 mol–1

(2) 31 J K–1 mol–1

(3) 21.98 J K–1 mol–1

(3) 21.98 J K–1 mol–1

(4) 326 J K–1 mol–1

(4) 326 J K–1 mol–1

112. For a reaction, I– + OCl –  IO– + Cl – in a aqueous medium, the rate of reaction is

112.

d[I– ] = k[I – ][OCl – ] dt



d[I– ] = k[I – ][OCl – ] . The overall given by dt order of reaction is



 (1) –1

(1) –1

(2) 0

(2) 0

(3) 1

(3) 1

(4) 2

(4) 2 113.

 I– + OCl –  IO– + Cl –

+

H3O   Product, product if treated

113.

with Lucas reagent then turbidity appear (1) 5-10 minute later (2) Immediately (3) 50-60 minute after (4) After 5-10 hour 114. Which of the following is neutral oxide ?

114.

H 3O    

   (1) 5-10   (2)   (3) 50-60  (4) 5-10    ?

(1) SnO

(1) SnO

(2) PbO

(2) PbO

(3) PbO2

(3) PbO2

(4) N 2 O

(4) N 2 O

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115. Sodium carbonate can be manufactured by Solvay's process but potassium carbonate cannot be prepared by this method because:

115.

(1) K2CO3 is more soluble (2) K2CO3 is less soluble

(1) K2CO3

  

(2) K2CO3

 

(3) KHCO 3, NaHCO3  

(3) KHCO3 is more soluble than NaHCO3

(4) KHCO 3, NaHCO3  

(4) KHCO3 is less soluble than NaHCO3 116. NH 4 CN is a salt of weak acid HCN (Ka = 6.2 × 10–10) and a weak base NH4OH (Kb = 1.8 × 10 –5). A one molar solution of NH4CN will be:

 Na2CO3  K2CO3  :

116. NH4CN,  HCN (Ka = 6.2 × 10–10)   NH4OH (Kb = 1.8 × 10–5)   NH4CN    (1)



(2)



(3)



(4)



(1) neutral (2) strongly acidic (3) strongly basic (4) weakly basic 117. Tyndall effect is observed only when (i)

the diameter of the dispersed particles is not much smaller than the wavelength of the light used

(ii) the refractive indices of dispersed phase and dispersion medium differ greatly in magnitude (iii) the size of the particles is generally between 10–11 and 10–9 m in diameter. (iv) the dispersed phase and dispersion medium can be seen separately in the system.

117.

  (i)

 

(ii)

   

(iii)

 10–11 10–9 m   

(iv)

    

(1) (i)

(iii) 

(2) (i)

(iv) 

(1) (i) and (iii) (2) (i) and (iv) (3) (ii) and (iii) (4) (i) and (ii)

(3) (ii) (4) (i)

(iii) 

 (ii)

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 KOH 118. HO–CH2CH 2CH 2CH 2–Br   Product,

KOH 118. HO–CH2CH2CH2CH2–Br   

product is

 

(1) HO–CH2CH 2CH 2–OH

(1) HO–CH2CH 2CH 2–OH

(2)

(2)

O

O

(3) CH 3 CH 2 CH 2 CH 2 CH 2 OH

(3) CH 3 CH 2 CH 2 CH 2 CH 2 OH

(4)

(4)

O

119. Which molecule has maximum dipole moment () ? {where X = –NO2}

119.

O

  ()  ? {X = –NO2}

X

X X

X

(1)

(1)

X

X

(2)

(2) X

X

X

X

(3)

(3)

X

X

(4) All has same '' 120. Both Be and Al become passive on reaction with conc. nitric acid due to : (1) the non-reactive nature of the metal (2) the non-reactive nature of acid (3) the formation of protective oxide layer on the surface of the metals (4) none of the above

 ''   Be  Al  HNO3  :  (1)  (2)   (3)   (4)    (4)

120.

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

121. The solubility product of AgCl is 1.8 × 10–10. Precipitation of AgCl will occur by mixing which of the following solutions when mixed in equal volume ?

121. AgCl  1.8 × 10–10  AgCl 

(1) 10–8 M Ag+ and 10–8 M Cl– ions (2) 10–3 M Ag+ and 10–3 M Cl– ions (3) 10–6 M Ag+ and 10–6 M Cl– ions (4) 10–10 M Ag+ and 10–10 M Cl– ions 122.

122. In the given reaction 'x' is :

  ? 10–8 M Cl–  (1) 10–8 M Ag+  (2) 10–3 M Ag+  10–3 M Cl–  (3) 10–6 M Ag+  10–6 M Cl–  (4) 10–10 M Ag+  10–10 M Cl–  'x'  : 

H2O/OH Excess HCl CH3 – C  CH     A   x 

H2O/OH Excess HCl CH3 – C  CH     A   x 

Cl | (1) CH 3–C–CH 3 | Cl

Cl | (1) CH 3–C–CH3 | Cl

(2) CH3–CH–CH2–Cl | Cl (3) CH 3–C–CH 3 || O (4) CH 3–CH 2–C–H || O 123. Product in the given reaction will be

(2) CH3–CH–CH2–Cl | Cl (3) CH 3–C–CH3 || O (4) CH 3–CH 2–C–H || O 123.

 

CH2Cl –

CH2Cl

+

O Na

+

–

–

O Na

+

+C2H5O K

+

(One mole of each)



  :-

OC2H5

(1)

(1) CH 2 – OC2H5

(2)

(2)

CH2 – O

(3)

OH

(4)

+C2H5O–K+

(One mole of each)

Major Product Major Product will be :-

+

(3) (4)

OC2H5 CH 2 – OC2H5

CH2 – O OH

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

124. Polarisability of halide ions increases in the order:

124.

  :  (1) F, I, Br, Cl









(1) F , I , Br , Cl

(2) Cl, Br, I, F

(2) Cl, Br, I, F

(3) I, Br, Cl F

(3) I, Br, Cl F

(4) F, Cl, Br, I

(4) F, Cl, Br, I 125. Which reaction does not produce ammonia?

125.

 ?

(1) NH4I + KOH  

(1) NH4I + KOH  

Δ  (2) N 2 + 3H2  Fe/Mo

Δ  (2) N 2 + 3H2  Fe/Mo

(3)

(3)

Δ   NH4 2 Cr2O7 

(4) Mg3N2 + HCl (aq)  

(4) Mg3N2 + HCl (aq)   126.

126. In the reaction :

 – 2– I2 + 2S2O2– 3  2I + S4 O6

I2 + 2S2O32–  2I– + S4 O62–

(1) I2

(1) I2 is reducing agent.



 

(2) I2  S2O32– 

(2) I 2 is oxidising agent and S 2 O 3 2– is reducing agent.



(3) S2O32–

(3) S2O32– is oxidising agent.

 

(4) I2  S2O32– 

(4) I 2 is reducing agent and S 2 O 3 2– is oxidising agent. 127. In the given reaction 'A' is :-

Δ   NH4 2 Cr2O7 



127.

'A'  : 

HNO Reduction   B    C2 H5OH  A  

HNO Reduction   B    C2 H5OH  A  

(1) CH 3CN

(1) CH 3CN

(2) CH 3NC

(2) CH 3NC

(3) C 2H 5CN

(3) C 2H 5CN

(4) CH 3NO 2

(4) CH 3NO 2

2

2

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 Cl

Cl CH2I

128.

CH3SH/NaOH   Major Product

Major Product is :-

(1)

CH2I

128.

Major Product is :-

SCH3 CH2I

(1)

OH

Cl CH2SCH3

CH2SCH3

(3)

Cl

Cl CH2OH

(4)

CH2I

(2)

Cl

(3)

SCH3 CH2I

OH CH2I

(2)

CH3SH/NaOH   Major Product

(4)

129. The correct order of bond length is :-

129.

CH2OH

  :

(1) F2 < F2+< F2

(1) F2 < F2+< F2

(2) F2+< F2< F2

(2) F2+< F2< F2

(3) F2+< F2 < F2

(3) F2+< F2 < F2

(4) F2< F2+< F2

(4) F2< F2+< F2

130. Conc. H2SO4 cannot be used to prepare HBr from NaBr because it :

130.

(1) reacts slowly with NaBr (2) oxidises HBr into Br2 (3) reduces HBr (4) disproportionates HBr 131. A metal X crystallises in a face-centred cubic arrangement with the edge length 862 pm. What is the shortest separation of any two nuclei of the atom ?

131.

 H2SO4  NaBr HBr    (1)  NaBr   (2)  HBr  Br2   (3)  HBr   (4)  HBr      X      862 pm     ?

(1) 406 pm

(1) 406 pm

(2) 707 pm

(2) 707 pm

(3) 862 pm

(3) 862 pm

(4) 609.6 pm

(4) 609.6 pm

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132. Ofloxacin is :-



132.

 :-

(1) Analgesic

(1)



(2) Tranquilizer

(2)



(3) Antimalarials

(3)



(4) Antibiotic

(4)



 O3 (P) OH (Q)  Zn,H2O

133.

 O3 (P) OH (Q)  Zn,H2O

133.

 (Q) :-

Product (Q) is :-

(1)

O

(1)

O

(2)

O

(2)

O

(3)

CHO

(3)

CHO

(4)

CHO

(4)

CHO

134. The IUPAC name for the complex [Co(NO2)(NH3)5]Cl2 is :

134.

[Co(NO2)(NH3)5]Cl2  IUPAC   :

(1) Nitro-N-pentaamminecobalt(III) chloride

(1)

-N- (III)  

(2) Nitro-N-pentaamminecobalt(II) chloride

(2)

-N- (II)  

(3) Pentaamminenitrito-N-cobalt(II) chloride

(3)

 -N- (II) 

(4) Pentaamminenitrito-N-cobalt(III) chloride

(4)

 -N- (III) 

135. Select the diamagnetic coloured compound:-

135.

    :-

(1) AgI

(1) AgI

(2) KMnO 4

(2) KMnO 4

(3) I 2

(3) I 2

(4) All of these

(4)



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136. A projectile has the same range R for two angles of projections. If T 1 and T 2 be the times of flight in the two cases, then

136.

  R    T  T 2  1 

(1) T1T2 = R

(1) T1T2 = R

(2) T1T2  R2

(2) T1T2  R2

T1

T1

= tan θ

(3)

T2

(4)

T1 = tan 2q T2

137. A ball of 0.4kg mass and a speed of 3 m/s has a head-on, completely elastic collision with a 0.6-kg mass initially at rest. Find the speeds of both balls after the collision:

137.

= tan θ

(3)

T2

(4)

T1 = tan 2q T2

3 m/s   0.4 kg   0.6 kg    (1) 0.6 m/s, 2.4 m/s

(1) 0.6 m/s, 2.4 m/s (2) 0.3 m/s, 1.2 m/s

(2) 0.3 m/s, 1.2 m/s

(3) 0.2 m/s, 1.2 m/s

(3) 0.2 m/s, 1.2 m/s

(4) 2.8 m/s, 3.4 m/s

(4) 2.8 m/s, 3.4 m/s 138. Water rises to a height of 2 cm in a capillary tube. If the tube is tilted 60 from the vertical, water will rise in the tube to a length

138.

2 cm   60     

(1) 4.0 cm

(1) 4.0 cm

(2) 2.0 cm

(2) 2.0 cm

(3) 1.0 cm

(3) 1.0 cm

(4) water will not rise at all

(4) water will not rise at all

139. The sensitivity of a galvanometer of resistance 406 ohm is increased by 30 times. The shunt used is

139.

406    30  (1) 88 

(1) 88  (2) 14  (3) 6  (4) 16 

(2) 14  (3) 6  (4) 16 

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140. In Young’s double slit experiment the light emited from source has  = 6.5 × 10–7 m and the distance between the two slits is 1 mm. Distance between the screen and slit is 1 metre. Distance between third dark and fifth bright fringe will be

 = 6.5 × 10–7 m  140. YDSE   1 mm   1 m 

  (1) 3.2 mm

(1) 3.2 mm

(2) 1.63 mm

(2) 1.63 mm (3) 0.585 mm (3) 0.585 mm (4) 2.31 mm

(4) 2.31 mm 141. A man is running with constant speed along a circular path of radius 22m. He completes 1 round in 10 second. Find instantaneous speed at 2.5 sec.

141.

22m    10     2.5  

(1)

(1)

2 m/s 5

2 m/s 5

(2)

2 2 m/s 5

(2)

2 2 m/s 5

(3)

2 3 m/s 5

(3)

2 3 m/s 5

(4)

5 2 m/s 2

(4)

5 2 m/s 2

142. A particle undergoes uniform circular motion. About which point on the plane of the circle, will the angular momentum of the particle remain conserved ?

142.

                 ?  (1)



(2)

 

(3)



(4)

 

(1) Centre of the circle (2) On the circumference of the circle (3) Inside the circle (4) Outside the circle

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143. A flat horizontal board moves up and down in SHM of amplitude . Then the shortest permissible time period of the vibration such that an object placed on the board may not lose contact with the board is

143.

        

g (1) 2 

(1) 2

g 

 (2) 2 g

(2) 2

 g

(3) 2 g × 

(3) 2 g × 

(4)

1 g 2 

(4)

144. A copper wire of diameter 1.02 mm carries a current of 1.7 amp. Find the drift velocity (vd) of electrons in the wire.

144.

Given n, number density of electrons in copper = 8.5  1027 /m3.

1 g 2 

 1.02 mm   1.7 amp  e–        n = 8.5  1027 /m3  (1) 1.75 mm/sec

(1) 1.75 mm/sec (2) 1.25 mm/sec (2) 1.25 mm/sec (3) 0.15 mm/sec

(3) 0.15 mm/sec

(4) 1.5 mm/sec

(4) 1.5 mm/sec 145. If velocity of a galaxy relative to earth is 1.2 × 106 ms–1 then % increase in wavelength of light from galaxy as compared to the similar source on earth will be (1) 0.3 %

145.

 1.2×106 ms–1    (1) 0.3 % (2) 0.4 %

(2) 0.4 % (3) 0.5 % (3) 0.5 % (4) 0.6 %

(4) 0.6 %

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146. If w, x, y and z are mass, length, time and current

146.

2

x2 w y3z

x w respectively, then has dimensional y3 z formula same as

(1) electric potential (2) capacitance (3) electric field (4) permittivity 147. An inclined plane makes an angle of 30 with the horizontal. A solid sphere rolling down this inclined plane from rest without slipping has a linear acceleration equal to

w, x, y  z 

147.

 (1)   (2)  (3)  (4)  30     (1)

(1)

g 3

g 3

(2)

2g 3

(2)

2g 3

(3)

5g 7

(3)

5g 7

(4)

5g 14

(4)

5g 14

148. Let T 1 and T 2 be the time periods of two springs A and B when a mass m is suspended from them separately. Now both the springs are connected in parallel and same mass m is suspended with them. Now let T be the time period in this position. Then (1) T = T1+ T2 (2) T =

T1T2 T1 + T2

148.

       

T2  A  B  T1  m    m   T     (1) T = T1+ T2

T1T2 (2) T = T + T 1 2 (3) T 2  T12  T22

(3) T 2  T12  T22 (4)

1 1 1 = + T2 T12 T22

(4)

1 1 1 = 2+ 2 2 T T1 T2

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 149. A current i is flowing in a conductor of

149.

length l. When it is bent in the form of a circular loop then its magnetic moment will

 l  i   

be-

li 4

(1)

l 2i 4

l2 (2) 4

(2)

l2 4

4 l 2i

(3)

4 l 2i

2

(1)

(3)

(4) 4 l2i.

(4) 4l2i. 150. White light is used to illuminate two slits in Young’s double slit experiment. Separation between the slits is b and the screen is at a distance d (>>b) from the slits. Then wavelengths missing at a point on the screen

150.

 YDSE   b  d (>>b)   

directly in front of one of the slit are (1)

b2 b2 , d 3d

(2)

b2 b2 , d 4d

2

(3)

b b , 2d 3d

(3)

b2 b2 , 2d 3d

(4)

b2 b2 , 2d 4d

(4)

b2 b2 , 2d 4d

(1)

(2)

b2 b2 , d 3d

b2 b2 , d 4d

2

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

151. In the figure, the tension in the horizontal cord is 30N. Find the weight of the body B.

Cord 2

151.

 30N  B 

45°

Cord 2

P

45° P

30

30

Cord 1

Cord 1 B

B

(1) 30 2N

(1) 30 2N

(2) 30N

(2) 30N

(3) 15N

(3) 15N

(4) 60N

(4) 60N

152. The moment of inertia of a ring about one of its diameters is I. What will be its moment of inertia about a tangent parallel to the diameter ?

152.

I     (1) 4I

(1) 4I

(2) 2I

(2) 2I (3)

(3)

3 I 2

3 I 2

(4) 3I

(4) 3I 153. A piano string 1.5m long is made of steel of density 7.7103 kg/m3 and Young’s modulus 210 11 N/m2. It is maintained at a tension which produces an elastic strain of 1% in the string. The fundamental frequency of transverse vibrations of string is

153.

1.5 m       3 3 7.710 kg/m     210 11 N/m 2  1%       (1) 85Hz

(1) 85Hz (2) 170Hz (3) 340Hz (4) 310Hz

(2) 170Hz (3) 340Hz (4) 310Hz

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 154. A rod of ferromagnetic material with

154.

dimensions 10 cm×0.5 cm×0.2 cm is placed in a magnetic field of strength 0.5×104 amp/m as a result of which a magnetic moment of 5 amp-m2 is produced in the rod. The value of total magnetic induction will be-

10 cm×0.5 cm×0.2 cm   0.5×104 amp/m    5 amp-m2           (1) 0.54 Tesla

(1) 0.54 Tesla

(2) 0.358 Tesla

(2) 0.358 Tesla (3) 2.519 Tesla

(3) 2.519 Tesla

(4) 6.28 Tesla.

(4) 6.28 Tesla.

to the mirror each second will be:

       6W/m2  40 cm2    ( )          : 

(1) 6.4  10–7 kg–m/s

(1) 6.4  10–7 kg–m/s

(2) 4.8  10–8 kg–m/s

(2) 4.8  10–8 kg–m/s

(3) 3.2  10–9 kg–m/s

(3) 3.2  10–9 kg–m/s

(4) 1.6  10–10 kg–m/s

(4) 1.6  10–10 kg–m/s

155. A plane electromagnetic wave of wave

155.

intensity 6W/m2 strikes a small mirror of area 40 cm2, held perpendicular to the approaching wave. The momentum transferred by the wave

body after 2sec is:

  30N     2          

(1) 7.5 kg-m/s

(1) 7.5 kg-m/s

(2) 30 kg-m/s

(2) 30 kg-m/s

(3) 120 kg-m/s

(3) 120 kg-m/s

(4) 60 kg-m/s

(4) 60 kg-m/s

156. A body is accelerated by applying a force of 30N. The change in the momentum of the

156.

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157. The rotation of the earth having R radius about its axis speeds up to a value such that a man at latitude angle 60o feels weightlessness. The duration of the day in such a case is.

157.

60 o       (1) 2

(1) 2

R g

(2) 

R g

(2) 

(3) 2

g R

R (4) 4  g

158. During an experiment an ideal gas is found

158.

to obey an additional law VP2 = constant. The gas is initially at temperature T and volume V. What will be the temperature of the gas when it expands to a volume 2V?

R g

R g

(3) 2

g R

(4) 4 

R g

 VP2 =   T  V  2V  (1) T = 4 T

(1) T = 4 T (2) T = 2 T

(2) T = 2 T

(3) T = 5 T

(3) T = 5 T

(4) T = 6 T

(4) T = 6 T 159. A capacitor of 4F is connected to a 15 V supply through 1 mega ohm resistance. The time taken by the capacitor to charge upto 63.2 % of its final charge will be

159.

 4F  1 M  15        63.2 %   

(1) 2 s

(1) 2 s

(2) 3 s

(2) 3 s

(3) 4 s

(3) 4 s

(4) 5 s

(4) 5 s

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160. An electron with energy 880 eV enters a uniform magnetic field of induction 2.5 × 10–3T. The radius of path of the circle will approximately be :

160.

880 eV    2.5 × 10–3T  :  

(1) 4 km

(1) 4 km

(2) 4 m

(2) 4 m

(3) 4 cm

(3) 4 cm

(4) 4 mm

(4) 4 mm

161. A cube is resting on an inclined plane. What must be the value of coefficient of friction between cube and plane so that cube topples before sliding

161.

(1)  =

1 (1)  = 2

1 2

(2)  < 1

(2)  < 1

(3)  > 1

(3)  > 1 (4)  >

    

1 2

(4)  >

162. Imagine a light planet revolving around a very massive star in a circular orbit of radius R with a period of revolution T. If the gravitational force of attraction between the planet and the star is proportional to R-5/2, then,

162.

1 2

 R  T     R–5/2     

(1) T2  R2

(1) T2  R2

(2) T2  R7/2

(2) T2  R7/2

(3) T2  R3/2

(3) T2  R3/2

(4) T2  R3.75

(4) T2  R3.75

163. The latent heat of vaporization of water is 2240 J/gm. If the work done in the process of vaporization of 1 gm is 168 J, then increase in internal energy is (1) 2408 J (2) 2240 J

163.

 2240 J/gm  1 gm  168 J    (1) 2408 J (2) 2240 J

(3) 2072 J

(3) 2072 J

(4) 1904 J

(4) 1904 J

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

164. The magnetic flux through a coil perpendicular to its plane and directed into paper is varying

164.

according to relation  = 5t2 + 10t + 5 milli weber. The e.m.f. induced in the loop after 5 sec is

  ( )  = 5t2 + 10t + 5 mWb   5    (1) 0.03 volt

(1) 0.03 volt (2) 0.06 volt

(2) 0.06 volt

(3) 0.08 volt

(3) 0.08 volt

(4) 0.02 volt

(4) 0.02 volt

165. The work function of a substance is 4.0 eV. The longest wavelength of light that can cause photoelectron emission from this substance is approximately

165.

    4.0 eV       (1) 540 nm

(1) 540 nm

(2) 400 nm

(2) 400 nm (3) 310 nm

(3) 310 nm

(4) 220nm

(4) 220nm

166. A block of mass 10 kg accelerates uniformly from rest to a speed of 2 m/s in 20 sec. The average power developed in time interval of 0 to 20 sec is

166.

2 m/s   10 kg  20 sec.  0 20    (1) 10W

(1) 10W (2) 1W

(2) 1W

(3) 20W

(3) 20W

(4) 2W

(4) 2W

167. Two soap bubbles of radii R and r come in contact. R is more than r. Radius of curvature of common surface is

167.

 R  r     (1)

(1)

R–r Rr

R–r Rr

(2)

(2)

Rr R–r

Rr R–r

(3)

R+r Rr

(3)

R+r Rr

(4)

Rr R+r

(4)

Rr R+r

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168. Potential in the x-y plane is given as V = 5(x2 + xy) volts. The electric field at the point (1, 2) will be

 V = 5(x2 + xy)   (1, 2)   

168. x-y

(1) 3j V/m

(1) 3j V/m

(2) 5j V/m

(2) 5j V/m

(3) 5j V/m

(3) 5j V/m

(4) 3j V/m

(4) 3j V/m

169. A train is moving with a speed of 30 m s–1 in north-south direction on the rails separated by 2 m. If the vertical component of earth’s field is 8 x 10–5 T, the e.m.f. is

169.

30 m s –1 NS         2 m         8 x 10–5 T       

(1) 0.0048 V

(1) 0.0048 V

(2) 0.048 V

(2) 0.048 V

(3) 0.48 V

(3) 0.48 V

(4) 4.8 V

(4) 4.8 V

170. Half-life of a substance is 20 minutes. What is the time between 33% decay and 67% decay?

170.

 20  33%  ?  

67%

(1) 40 minutes

(1) 40 minutes

(2) 20 minutes

(2) 20 minutes

(3) 30 minutes

(3) 30 minutes

(4) 25 minutes

(4) 25 minutes

171. Power applied to a particle varies with time as P = (4t 3 – 5t + 2)watt, where t is in second. Find the change is its K.E. between time t = 2 and t = 4 sec.

171.

         P = (4t3 – 5t + 2)watt  t  t = 2  t = 4  

(1) 212 J

(1) 212 J

(2) 213 J

(2) 213 J

(3) 214 J

(3) 214 J

(4) 215 J

(4) 215 J

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 172. When a certain weight is suspended from a long uniform wire, its length increases by one cm. If the same weight is suspended from

172.

another wire of the same material and length but having a diameter half of the first one, the increase in length will be

 1 cm       (1) 0.5 cm

(1) 0.5 cm

(2) 2 cm

(2) 2 cm (3) 4 cm

(3) 4 cm

(4) 8 cm

(4) 8 cm

173. The conducting spherical shells shown in the figure are connected by a conductor. The

173.

  

capacitance of the system is

b

b a

a

(1) 4 0

ab b–a

(1) 4 0

ab b–a

(2) 4 0 a

(2) 4 0 a

(3) 4 0 b

(3) 4 0 b

(4) 4 0

a2 b–a

(4) 4 0

a2 b–a

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174. A convex lens forming a real image of magnification m 1 on a screen is moved through a distance x. A new image of magnification m 2 is again formed on the screen. The focal length of the lens is:

174.

x

x

(1)

(1)

m2 – m1

(2)

m1 + m2

m1 + m2

x

x

(3)

m2 – m1

x

x

(2)

  m1   x    m2     

(3)

m1m2

(4) None of these

m1m2

(4) None of these

175. In a transistor amplifier,  = 62, RL = 5000  and internal resistance of the transistor is 500 . The voltage amplification of the amplifier will be:

175.

  = 62, RL = 5000   500    :  (1) 500

(1) 500

(2) 620

(2) 620 (3) 780

(3) 780

(4) 950

(4) 950

the work done by air friction?

 ‘H’       1.1 gH   

(1) 0.395 mgH

(1) 0.395 mgH

(2) 0.395 mgH

(2) 0.395 mgH

(3) 0.400 mgH

(3) 0.400 mgH

(4) 0.400 mgH

(4) 0.400 mgH

176. A body dropped from height ‘H’ reaches the ground with a speed of 1.1 gH . Calculate

176.

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177. Given :  is the compressibility of water,  is the density of water and K is the bulk modulus of water. What is the energy density of water at the bottom of a lake ‘h’ metre deep ?

177.

       K   (bulk)  ‘h’     ? (1)

(1)

1 σ(hg)2 2

1 σ(hg)2 2

(2)

1 σ(hg) 2

(2)

1 σ(hg) 2

(3)

1 hg 2 σ

(3)

1 hg 2 σ

(4)

hg σ

(4)

hg σ

178. A particle of mass 100 gm and charge 2 C is released from a distance of 50 cm from a fixed charge of 5C. Find the speed of the particle when its distance from the fixed charge becomes 3 m. Neglect any other force.

178.

 5C  50 cm  2C  100 gm   2C  5C (  ) 3 m 

(1) –1.73 m/s

(1) –1.73 m/s

(2) 2.73 m/s

(2) 2.73 m/s

(3) –2.73 m/s

(3) –2.73 m/s

(4) 1.73 m/s.

(4) 1.73 m/s.

179. A layer of oil 3cm thick is floating on a layer of coloured water 5cm thick. Refractive index of coloured water is 5/3 and the apparent depth of the two liquids appears to be 36/7cm. Find the refractive index of oil. (1) 1.6

179.

3 cm   5 cm    5/3   36/7cm    (1) 1.6 (2) 1.4

(2) 1.4

(3) 1.9

(3) 1.9

(4) 0.9

(4) 0.9 180. The logic behind ‘NOR’ gate is that it gives

       

180. ‘NOR’

(1) High output when both the inputs are low

(1)

(2) Low output when both the inputs are low

(2)

(3) High output when both the inputs are high

(3)

(4) None of these

(4)

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Read carefully the following instructions : 1. Each candidate must show on demand his/her Allen ID Card to the Invigilator. 2. No candidate, without special permission of the Invigilator, would leave his/her seat. 3. The candidates should not leave the Examination Hall without handing over their Answer Sheet to the Invigilator on duty.

   :  1.   2.    3.  

4. Use of Electronic/Manual Calculator is 4. prohibited. 5. The candidates are governed by all Rules and 5. Regulations of the examination with regard to their conduct in the Examination Hall. All cases of unfair means will be dealt with as per Rules and Regulations of this examination. 6. No part of the Test Booklet and Answer Sheet 6. shall be detached under any circumstances. 7. The candidates will write the Correct Name 7. and Form No. in the Test Booklet/Answer Sheet.

          

    

Note : In case of any Correction in the test paper, please mail to [email protected] within 2 days along with Paper code and Your Form No.

 2 Correction  Paper code Form No.  [email protected]  mail Corporate Office :  CAREER INSTITUTE, “SANKALP”, CP-6, Indra Vihar, Kota (Rajasthan)-324005 +91-744-2757575

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