Class-8-code-c.pdf

NUCLEUS SCHOLARSHIP EXAM. (NSE) 2018-19 CLASS – VIII

C

SCHOLARSHIP TEST

Max. Marks : 320

GENERAL INSTRUCTIONS 1. The Test Booklet consists of 80 questions. The maximum marks are 320. 2. This question paper consisting of 80 questions as follows: Single Choice Question (Only one correct response) : Physics Q.1-10, Chemistry 11-20, Biology 21-30, Mathematics 31-45 and Mental Ability 46-60. Integer Type (One or two digit response) : For example answer 1 should be written as 01 Physics Q.61-65, Chemistry 66-70, Mathematics 71-80. 3. Each question is allotted 4 (Four) marks for correct response. No mark will be deducted for indicating incorrect response. 4. No candidate is allowed to carry any textual material, printed or written, bits of papers, mobile phone, any electronic device (calculator) etc. except the Admit Card inside the examination room/hall. 5. Rough work is to be done on the space provided for this purpose in the Test Booklet only. This space is given at the bottom of each page. 6. On completion of the test, the candidate must hand over the Answer Sheet (ORS) to the Invigilator on duty in the Room/Hall. 7. NSE answer key will be displayed on www.nucleuseducation.in on 14 th August, 2018 at 5 pm IST. 8. Please match the answer key with the correct paper code from the nucleus website. OPTICAL RESPONSE SHEET 9. Darken the appropriate bubbles on the ORS by applying sufficient pressure. This will leave an impression at the corresponding place on the Candidate’s Sheet. 10. The ORS will be collected by the invigilator at the end of the examination. 11. Do not tamper with or mutilate the ORS and Question Paper. Do not use the ORS for rough work. 12. Write your name, roll number and paper code and sign with pen in the space provided for this purpose on the ORS. Do not write any of these details anywhere else on the ORS. Darken the appropriate bubble under each digit of your roll number. DARKENING THE BUBBLES ON THE ORS 13. Use a BLACK or BLUE BALL POINT PEN to darken the bubbles on the ORS. 14. Darken the bubble COMPLETELY. 15. The correct way of darkening a bubble is: 16. The ORS is machine-gradable. Ensure that the bubbles are darkened in the correct way. 17. Response like this : will be considered incorrect. 18. Darken the bubbles ONLY IF you are sure of the answer. There is NO WAY to erase or “un-darken” a darkened bubble.

Name of the Candidate

Roll Number

I have read all the instructions and shall abide by them.

I have verified all the information filled in by the Candidate.

Signature of the Candidate

Signature of the invigilator

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www.nucleuseducation.in webs ite : www.careerpoint.ac.in | e-mail : pfd@ cpil.in

DO NOT BREAK THE SEAL WITHOUT BEING INSTRUCTED TO DO SO BY THE INVIGILATOR.

Time : 2 Hrs.

Scholarship Test (Class-VIII – Code-C) PCCP

SINGLE CHOICE QUESTION Physics (Q.1 to 10) 1.

A body under the action of several forces will have zero acceleration (A) When the body is very light (B) When the body is very heavy (C) When the body is a point body (D) When the vector sum of all the forces acting on it is zero

2.

The absolute zero is the temperature at which (A) Water freezes (C) Molecular motion ceases

(B) All substances exist in solid state (D) None of the above

3.

A particle experiences a constant acceleration for 20 sec after starting from rest. If it travels a distance S1 in the first 10 sec and a distance S2 in the next 10 sec, then : (A) S1 = S2 (B) S1 = S2 / 3 (C) S1 = S2 / 2 (D) S1 = S2 / 4

4.

Maximum density of H 2O is at the temperature (A) 39.56°F (B) 39.16°F (C) 39.35°F

(D) 39.92°F

5.

The waves produced by a motor boat sailing in water are (A) Transverse (B) Longitudinal (C) Longitudinal and transverse (D) Stationary

6.

Assertion : "Light year" and "year", both measure time. Reason : Because light year is the time that light takes to reach the earth from the sun. Choose any one of the following four responses : (A) both assertion and reason are true and the reason is the correct explanation of the assertion. (B) both assertion and reason are true but reason is not the correct explanation of the assertion. (C) assertion is true but reason is false. (D) assertion and reason both are false.

7.

Two cars A and B are travelling in the same direction with velocities v 1 and v 2 (v 1  v 2 ) . When the car A is at a distance d ahead of the car B , the driver of the car A applied the brake producing a uniform retardation a , there will be no collision when (A) d 

(v 1  v 2 ) 2 2a

(B) d 

v 12  v 22 2a

(C) d 

(v 1  v 2 ) 2 2a

(D) d 

v 12  v 22 2a

Space for rough work

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Scholarship Test (Class-VIII – Code-C) PCCP

8.

The temperature of a body on Kelvin scale is found to be x K. When it is measured by Fahrenheit thermometer, it is found to be x°F, then the value of x is (A) 40 (B) 313 (C) 574.25 (D) 301.25

9.

A boggy of uniformly moving train is suddenly detached from train and stops after covering some distance. The distance covered by the boggy and distance covered by the train in the same time has relation. (A) Both will be equal (B) First will be half of second (C) First will be 1/4 of second (D) No definite ratio

10.

A sound is produced in water and moves towards surface of water and some sound moves in air velocity of sound in water is 1450 m/s and that in air is 330 m/s. When sound moves from water to air then the effect on frequency f and wave length  will be: (A) f and  will remain same (B) f will remain same but  will increases (C) f will remain same but  will decreases (D) f will increase but  will decrease

Chemistry (Q.11 to 20) 11. Rajat’s teacher asked to identify the chemical changes among the following:I. Action of heat on iodine. II. Burning of fossil fuel. III. Sublimation of ammonium chloride. IV. Heating of sugar. V: Passing an electric current through water. (A) II, III, V (B) I, II, III (C) II, IV, V (D) I, III, V 12.

Smita, a student of class-VIII performed a reaction in a test tube as follows: Gas

Vinegar + Baking soda

(I) Bring a burning splinter near the mouth of the gas tube, it burns brightly. (II) Passing the gas into lime water, turns it milky. (III) When the gas is passed in red litmus solution, it turns blue. (IV) Neutralization reaction occurs and CO2 forms in this reaction. (V) A gas is released with hissing sound and bubbles. Which of the above statements are correct? (A) II only (B) II, IV, V (C) I, II, V (D) III, IV Space for rough work

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Scholarship Test (Class-VIII – Code-C) PCCP

13.

Choose the correct statement: I. LPG gas exists in liquid form in a cylinder. II. LPG becomes a gas when it comes out of the cylinder and then burns. (A) I is a physical change, II is a chemical change (B) I is a chemical change, II is a physical change. (C) I & II are both chemical changes. (D) I & II are both physical changes.

14.

Ms. Gupta, a science teacher demonstrated an activity. She took different indicators, acids, bases and neutral solutions as follows:Name of chemicals Red litmus Methyl orange China rose indicator Caustic soda Baking soda (i) (ii) Oil of vitriol (iii) Rock salt (iv) (A) (i) blue color, (iii) green color (B) (ii) orange color, (iv) dark pink color (C) (iii) dark pink color, (iv) orange color (D) (i) red color, (ii) reddish-brown color

15.

Read the given flow chart and find out the following X, Y and Z: Atom Fundamental Particles

X

Proton Discovered by

J.J. Thomon Charge

Negative

(A) (B) (C) (D)

X Electron Electron Deutron Deutron

Neutron Discovered by

Discovered by

Goldstein

Y Charge

Charge

Positive

Y Chadwick Bohr Rutherford Chadwick

Z

Z Neutral Positive Neutral Negative

Space for rough work

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Scholarship Test (Class-VIII – Code-C) PCCP

16.

Read the given statements and select the correct option. Statement-1: Cotton clothes are comfortable to wear in summer season. Statement-2: Cotton absorbs water efficiently. (A) Both statements – 1 & 2 are true and statement-2 is correct explanation of statement-1. (B) Both statements – 1 & 2 are true and statement-2 is not the correct explanation of statement-1. (C) Statement-1 is true but statement-2 is false. (D) Both statement-1 & 2 are false.

17.

Richa and Sonu were playing quiz with each other. They answered all the questions but were waiting for final results. Some of the questions and answers are given as follows. Which of the following questions are correctly answered by Richa & Sonu respectively? Question asked Answer by Richa Answer by Sonu (a) Caterpillars spin their cocoons at which stage. Larva stage – (b) Protons, neutrons and electrons are present in – 17, 17, 17 chlorine atom (c) Burning of candle Chemical change only – (d) Crystals of CuSO4 are prepared by the method – Crystallization (e) An element A with 3 valence electrons combines A2 B3 with another element B with 6 valence electrons the formula of the compound formed is (f) Removing of silk fibre from cocoons – Reeling (A) (d), (e), (f) (B) (a), (c), (e) (C) (a), (b), (f) (D) (a), (b), (e)

18.

Gaurav, a student of class – VII wants to make wool from the fleece of sheep but he is confused in the process. So, according to you, which among the following sequence is correct for the processing of wool? (A) shearing  scouring  carding  weaving  spinning  finishing (B) scouring  carding  shearing  weaving  spinning  finishing (C) shearing  carding  scouring  spinning  weaving  finishing (D) shearing  scouring  carding  spinning  weaving  finishing

19.

Iron : Water : Hydrogen :: Wood : a Find a, b & c. (a) (b) (A) Coal CO2 (B) Vinegar CO2 (C) Mercury Paint (D) Vinegar Paint

: Oxygen :: Brick : Petrol : b

:: c

: Oil : Helium

(c) Ice Ice Gold Mercury

Space for rough work

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Scholarship Test (Class-VIII – Code-C) PCCP

20.

Aamir, a student of class – VII was studying general chemistry and didn’t get the concept of atoms & molecules. To make him clear, which of the following diagram(s) represent molecules & compound in the correct form? Molecules Compounds

Compounds

Molecules

Molecules

Compounds

Molecules

(iii)

(ii)

(i)

(A) (i) only

Compounds

(B) (iii) & (iv)

(iv)

(C) (i) & (ii)

(D) (iv) only

(C) Seal

(D) Elephant

Biology (Q.21 to 30) 21.

Animal not found in polar region is (A) Polar bear (B) Penguin

22.

Weather at a place is the day to day condition of atmosphere with respect to – (A) Wind, humidity, rainfall and temperature (B) Sun, day length, moisture and heat (C) Rainfall, temperature, sunlight and wind (D) Sunlight, moonlight, wind and temperature

23.

Phagocytosis process is : (A) Food obtaining in Amoeba (B) Execrate waste material in Amoeba (C) Digestion in Amoeba (D) Pseudopodia in Amoeba

24.

Main function of bile juice (A) Digest Protein (C) Help in fat digestion

(B) Digest Vitamins (D) Digest carbohydrate

Which of the following is insectivorous. (A) Mushroom (B) Cuscuta

(C) Mucor

25.

26.

(D) Nepenthes

The process of transportation of food in plants is called : (A) Transpiration (B) Translocation (C) Transduction (D) Transportation

Space for rough work

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Scholarship Test (Class-VIII – Code-C) PCCP

27.

In given figure a, b, c, d are :

(a) (b)

a (A) Stromal lamella (B) Grana (C) Starch granule (D) Lipid droplets 28.

Teeth formula :

b Grana Starch granule Stromal lamella Ribosome

HUJ 2102 = HLJ 2102

The above dental formula is of : (A) Human adult teeth (C) Monkey’s teeth 29.

30.

(B) Human child teeth (D) Elephant teeth

The blood coming out of lungs is richer than entering into lungs in (A) CO2 (B) N2 (C) Both Study of weather is known as (A) Climatology (C) Neuropsychology

(D) O2

(B) Meteorology (D) Psychology

Mathematics (Q.31 to 45)

31.

If



9n  32  3 n /2

(A) 1

3m

3



2

2 3

 (27) n

1 the find the value of (m – n) 27 (B) 0 (C) m – n 

(D) –1

Space for rough work

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Scholarship Test (Class-VIII – Code-C) PCCP

32.

In the given figure,  1 and  2 are

(A) alternate interior angles (C) corresponding angles 33. 34. 35.  36.

(B) vertically opposite angles (D) external angles

The angles of a triangle are in the ratio 3 : 2 : 1, then the angles are : (A) 90º, 60º, 30º (B) 100º, 50º, 30º (C) 80º, 60º, 40º

(D) 70º, 60º, 50º

How many medians can a triangle have? (A) 4 (B) 3

(C) 2

(D) 1

Write the supplement of 58° 29 (A) 31° 31 (B) 121° 27

(C) 120° 30

(D) 121°31

One integer is greater than the other by +4. If one number is –16 then the other is (A) +12 (B) 0 (C) –1 (D) –12

37.

The sum of the lengths of any two sides of a triangle is always (A) less than the 3rd side of the triangle (B) equal to the 3rd side of the triangle (C) greater than the 3rd side of the triangle (D) less than or equal to the 3rd side of triangle

38.

The given rational numbers are 1/2, –4/5, –7/8. If the numbers are arranged in the ascending order or descending order, then the middle number is (A) 1/2 (B) – 7/8 (C) – 4/5 (D) both – 4/5 and – 7/8

39.

If x +

40.

x 4   1 1 = 5, the value of is x x2 (A) 21 (B) 23

(C) 25

(D) 30

4 is added to a number and the sum is multiplied by 5. If 20 is subtracted from the product and the difference is divided by 8, the result is equal to 10. The number is (A) 8 (B) 12 (C) 16 (D) 20

Space for rough work

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Scholarship Test (Class-VIII – Code-C) PCCP

41.

42.

Which of the following statement is correct? (A) a° = 0 (B) a3 + a2 = a5

44.

45.

(D) a1 = 1

In ABC, side AB || QR and side BC || PQ, mACB = 65º, mBAC = 50º. Find mBPQ.

(A) 155º 43.

(C) (a7)3 = a21

(B) 65º

(C) 115º

Which of the following is a vulgar fraction? 5 7 (A) (B) 7 10

(C)

3 100

(D) 95º

(D) none of these

In LMN, L = 50º and N = 60º. If LMN  PQR, then find Q. (A) 50º (B) 60º (C) 70º

(D) none of these

1 How many one sixth are there in 3 ? 3 (A) 20 (B) 19

(D) 5

(C) 10

Mental Ability (Q.46 to 60) 46.

Akshay is 16th from the left end in the row of boys and Vijay is 18th from the right end. Avinash is 11th from Akshay towards the right end and 3rd from Vijay towards the right end. How many boys are there in the row? (A) 41 (B) 42 (C) 40 (D) 48

47.

In the following number series how many such 4's are there which are immediately preceded by a pair of numbers whose product is more than the product of pair of numbers immediately following 4? 4378445643241744521468948947864254462 (A) 3 (B) 4 (C) 5 (D) 7

48.

Ravi wants to go to the university. He starts from his home which is in the East and comes to a crossing. The road to the left ends in a theatre, straight ahead is the hospital. In which direction is the university? (A) North (B) South (C) East (D) West

Space for rough work

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Scholarship Test (Class-VIII – Code-C) PCCP

49.

Two buses start from the opposite point of a main road, 150 kms apart. The first bus runs for 25 kms and takes a right turn and then runs for 15 kms. It then turns left and runs for another 25 kms and takes the direction back to reach the direction back to reach the main road. In the meantime, due to a minor breakdown, the other bus has run only 35 kms along the main road. What would be the distance between the two buses at this point? (A) 65 kms (B) 75 kms (C) 80 kms (D) 85 kms

50.

Six friends A, B, C, D, E and F start climbing a hill together. After some time it is observed that 'D' has reached a position higher than 'B' but not as high as 'E'. 'C' is at a position not higher than 'D' and not lower than 'A', who is not lower than 'F' and not higher than 'B'. WHo has climbed the highest position? (A) D (B) E (C) B (D) Can't be determined

Directions (Q.51) Study the following arrangement carefully and answer the questions given below : THAJKRBTAEMDGSOJKUMBDLUHYACM 51.

How many such vowels are there in the above arrangement which are immediately preceded as well as immediately followed by a consonant? (A) Two (B) Three (C) Four (D) More than four

Directions (Q.52) Following question is based on five words given below : RAG FIN PUT LOW SUE 52.

If in each of the given words, each of the consonants is changed to previous letter and each vowel is changed to next letter in the English alphabetical series, in how many words thus formed will no vowels appear? (A) None (B) One (C) Two (D) Three

Directions : (Q.53 & 54) In each of the following letter series, some of the letters are missing which are given in that order as one of the alternatives below it. Choose the correct alternative. 53.

54.

c-baa-aca-cacab-acac-bca (A) acbaa (B) bbcaa

(C) bccab

(D) cbaac

abca-bcaab-ca-bbc-a (A) ccaa

(C) abac

(D) abba

(B) bbaa

Space for rough work

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Scholarship Test (Class-VIII – Code-C) PCCP

55.

In the following questions, a matrix of certain character is given. These characters follow a certain trend, row–wise or column–wise. Find out this trend and choose the missing character from the given alternatives. 31

17

58 87

68

19

61 56

91 22 70 50 10 142 11 ?

(A) 3 1 2

56.

(B) 6 3

2

(C) 7

(D) 9

(C) 13

(D) 8

10 12

2 5 12 10 16 13 1 2 1 ? 10 24

(A) 5

(B) 11

Direction (Q.57 & 58) : Find out the next number in place of question mark (?) in the following number series. 57.

58.

59.

2, 9, 28, ?, 126, 217, 344 (A) 65 (B) 50

(C) 70

(D) 82

1, 8, 21, 42, 73, 116, ? (A) 173 (B) 177

(C) 181

(D) 184

If 'ACT' is coded as "23 – 25 – 16", how you code the "BELOW"? (A) 23 – 1 – 8 – 11 – 19 (B) 24 – 1 – 8 – 10 – 19 (C) 23 – 1 – 8 – 11 – 18 (D) 24 – 1 – 8 – 11 – 19

Direction (Q.60) : In the following questions codes are based on the skipping pattern. Each letter is coded with the fourth one in alphabetic order, i.e., A = (BC)D, B = (CD)E, C = (DE)F and so on. Find which word would be coded as 60.

VKRRW (A) SHOTE

(B) SHOOT

(C) SHORT

(D) SHOOS

Space for rough work

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Scholarship Test (Class-VIII – Code-C) PCCP

INTEGER TYPE (ANSWER IN TWO DIGITS) Physics (Q.61 to 65) 61.

A body starts from rest from the origin with an acceleration of 6 m/s2 along the x-axis and 8 m/s2 along the y-axis. Its distance from the origin after 4 seconds will be (in metres)

62.

Time period of sound wave having the wavelength 0.2 m and frequency 0.1 Hz will be (in sec) :

63.

If body having initial velocity zero is moving with uniform acceleration 8 m/sec2. The distance travelled by it in fifth second will be (in metres)

64.

At what temperature (in degree) the centigrade (Celsius) and Fahrenheit, readings are the same (write magnitude only)

65.

If density of oxygen is 16 time that of hydrogen at same pressure and same value of . Then velocity of sound waves in hydrogen is how many times of velocity of sound waves in oxygen?

Chemistry (Q.66 to 70) 66.

How many molecules among the following will give acidic salt solution; Na2SO 4, CH3COONa, KCl, KNO3, NH4Cl, NaHCO3, FeSO4

67.

How many molecules among the following shows 4 atomicity; oxygen, phosphorus, bleaching powder, sulphuric acid, carbon dioxide and calcium carbonate.

68.

How many acids have basicity of 2 in the following; HBr, H3PO4, HNO3, H4SiO4, H2SO3, HCOOH, H2CO3, CH3COOH, (COOH)2

Space for rough work

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Scholarship Test (Class-VIII – Code-C) PCCP

69.

How many statements show the properties of wool? I : Wool is fire resistant. II : Wool does not resists dirt. III : Wool is easy to sew. IV : Wool is hard. V: Wool insulates against heat & cold. VI : Wool is water repellant. VII : Wool is elastic. VIII : Wool wears longer. IX : Wool resists static electricity. X : Wool insulates against noise.

70.

How many ions are cations and have 2 charge among the following? Aluminium, Ferrous, Sulphide, Bromide, Potassium, Hydroxide, Calcium, Magnesium, Zinc, Ammonium, Phosphate.

Mathematics (Q.71 to 80) 71.

Find the [(1 + 2 + 3 + 4 + 5 + 6) -300] in the below figure:

72.

The number of integers a such that 1  a  100 and a a is a perfect square is :

73.

If

1 1 1 1 11     , then find the value of 2x 1 2 x 10 12 1 6 4 3

Space for rough work

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Scholarship Test (Class-VIII – Code-C) PCCP

74.

In figure, ABC is a right angled triangle at B. ADEC and BCFG are squares. If FA = 10 cm, find BE. D

E A

B

C

G

F

75.

In the adjoining figure, lines AB and CD are parallel. What is the value of x in degrees?

76.

If (a – 5)2 + (b – 6)2= 0, then find the value of (a+ b – 3)?

77.

Simplify

78.

If mn × n m = 800, where m < n the find the value of m + n.

79.

If x51 + 51 is divided by (x +1) the remainder is :

80.

Lines PS, QT and RU intersect at a common point O, as shown P is joined to Q, R to S and T to U, to form triangles. The value of P + Q + R + S + T + U - 290 is :

x 16  2n 1  4  2 n = where x is numerator and y is denominator. Find the value of (x + y). n2 n 2 y 16  2  2  2

U

P

Space for rough work

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Scholarship Test (Class-VIII – Code-C) PCCP Space for rough work

Space for rough work

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