2019 Dehli Papers-ii.pdf

HOME EXAMINATION-2019

GOVERNMENT DEHLI COLLEGE

Max Marks : 85 Time (Hrs) : 03

Hussainabad, Federal “B”Area Karachi

CHEMISTRY -II SECTION A QUESTION # 1 MULTIPLE CHOICE QUESTIONS i. ii. iii.

  

iv.  v.  vi.  vii.



viii.  ix.  x.

xiii. xiv.

   

xv.

Phosphorus belongs to nitrogen family is present in: 3rd period, VB group  3rd period, VA group  2nd period, VA group o The steam is passed over vapors of methanol at 250 C, the substance obtained is: H2 + CO2  H2 + CO  2H + CO2 The hydrolysis of magnesium nitride yield milk of magnesia along with: NH4OH  NH3  H2O One which is deliquescent & translucent solid is: Na2CO3  NaHCO3  NaOH Mushroom shaped baffles present in Ammonia Solvay tower ensures: Proper flow of brine  Saturation of brine  Bubbling of CO2 Ammonal is used as explosive is a mixture of : Al & HNO3  Al & NH4NO3  Al + Al(NO3)2 Hydrogen sulphide has: Pungent smell  Burning Sulphur smell  Rotten egg smell The substance added to ores to remove the impurities is : Flux  Catalyst  Gangue For removing oxide film, Tin coated Iron Sheets are polished with: Ammonium chloride  Sodium thiosulphide  Warm sulphuric acid



4th period, VA group



2[H] + CO



H2



NaCl



All of these



Al & KNO3



No smell



Slag



Hydroquinone

Acetylene reacts with water in the presence of mercuric sulphate and sulphuric acid yield stable product :  Ethanol  Ethanal  Vinyl alcohol  Acetylide

xi. xii.

17 Marks



xvi.  xvii. 

During addition of HX in ethylene, the reaction feasibility is in order: HI > HBr > HCl  HCl > HBr > HI  HCl > HI > HBr For the artificial ripening of fruits a gas is used, prepared by the action of: CaC2 with H2O  SOCl2 on Ethanol  Al2O3 on ethanol Action of sodium metal on 2-chloro butane yields: Octane  Decane  Hexane (CH3)2CHCH2OH is : Primary alcohol  Secondary alcohol  Tertiary alcohol Sec. butyl alcohol in polar medium, treated with alcoholic KOH, undergoes mechanism: Uni-molecular  Uni-molecular  Bi-molecular Substitution Elimination Substitution Which of them is not vitamin: Menadione  Thiamin  Riboflavin Protease is the enzymes that are responsible for conversion of: Lactate to Pyruvate  Amylose to Glucose  Protein to Amino acid



HBr > HCl > HI



Zn on Carbolic acid



3,4 di methyl hexane



Carboxylic acid



Bi-molecular Elimination



Glycine



Lipid to Glycerol

SECTION B QUESTION # 2

i.

SHORT ANSWER QUESTIONS Attempt 10 questions in all. 5 each from inorganic & organic part. Each question carries equal marks.

INORGANIC CHEMISTRY With the reference to following compounds: answer following: Compound Name

ii. iii. iv. v. vi. vii. viii .

ix. x.

40 Marks

A Kieselguhr

B Dura Lumin

C Massicot

D Phitkari

 Write the composition of “B”  Give formulas of C & D?  Main use of “A”  Equation for the preparation of ‘D” Define hydride, name its different types, and briefly discuss the preparation covalent and complex hydrides? Give the IUPAC name of following complexes:  Mg[Zn(OH)4]  [Ni(DMG)2]  NH4[Pt(Cl)4(NH3)2]  [Cr(C2O4) (en)2]NO3 Discuss “Refining of Copper” OR “Manufacturing of Cl2 by Nelson cell” State Mendeleev periodic law, give its merit & demerits, How Mendeleev law is modified? OR Give prepartion of Orthoboric acid? How it is converted to Boric oxide? Also write its uses. Give balanced chemical equation for following reactions:  Reaction of KMnO4 with KI in alkaline medium  Action of excess NaOH on Zn(OH)2  Boiling Litharge with aqueous solution of NaCl  Action of concentrated H2SO4 on potassium di chromate Explain the reason behind followings facts:  On addition of acid, yellow colored solution of K2CrO4 turns red orange  Alkali metals cannot be used in voltaic cells  Compounds of d-block elements except zinc are colored  Thermite process is used for welding purposes Define “allotropy” & discuss briefly the allotropy in Sulphur or Carbon? OR Define water gas? Give one method of its preparation & How Hydrogen is seperated from it? ORGANIC CHEMISTRY Draw the possible isomers of same type in the following and define the type of isomerism involve in each?  C5H12  C4H10O  C3H7OH  C5H8 What is Grignard reagent? How it is prepared from methyl iodide? How it is utilized for the formation of 1o, 2o & 3o alcohol?

xi. xii. xiii . xiv. xv. xvi.

Write a chemical equation to distinct:  HCHO and RCOR  HCCH and CH2=CH2  RH and RX  C6H12 and C6H6 Discuss the Electrophilic substitution reaction in benzene on the basis of its sulphonation & alkylation (give mechanism)? What do you understand by term “orientation in benzene”? how would you prepared following from benzene:  Acetophenone  p- nitro benzoic acid  m- nitro toluene Define free radical? Give mechanism of chlorination in Methane. OR How would you distinguished between oil & fat? Write down parameters to judge the quality of oil? Give the Classification & importance of amino acids? OR Discuss Fat soluble Vitamins, Write source, daily requirements & diseases caused by their deficiency? Give IUPAC name for following compounds: O

H3C

CH3

O H3C

CH C 

H3C

C

CH3

O

CH3



CH(CH 3) 2

C

OH

Cl

HC C

C H3C



O 2N

O

OH HC

C C

NO 2

OH

C



SECTION C: DETAILED ANSWER QUESTIONS Attempt 1 question from each inorganic & organic part.

NO 2

MAX. MARKS = 28

INORGANIC CHEMISTRY Question NO.3 a. Flow chart for the extraction of Aluminum from Bauxite ore is given:

5

Oxide ST Bauxite iron   Alumina   Aluminum99%   Aluminum99.9% C A

b. c.

B

Answer following:  Name the method used in “A” and fusing material for separation of impurities along with equations.  Name the process “B” and “C” what are “S and T” and what is the purpose of their addition.  Draw diagram of cell used in “C”, write components of three layers and give equations for reaction occurs in these layers. Write down the condition for obtaining pure sodium from Down Cell, also discuss its Extraction process? Complete & balanced the equations:  K2MnO4 + Cl2  K2Cr2O7 + KCl + H2SO4  CuSO4 + KI  FeOCr2O3 + K2CO3 + O2  Cl2 + NaOH

Question NO.4 a. Write down the equations for reactions in main compartment & denuder of Caster Kellners’ cell? Explain the purpose and importance of “Denuder”, also discuss benefits & flaws of this process? b. c.

How Nitric acid is manufactured by Ostwald Process? Discuss briefly, also draw its structure in two different phases? Write short note on any two of the following:  Lunar Caustic  Stainless Steel  Photography

ORGANIC CHEMISTRY Question NO.5 a. Write down balanced chemical equation any five of the following:  Benzene oxidized in the presence of Ozone  Sodium ethoxide reacts with ethanoyl chloride.  Ethyl chloride heated with silver oxide  Formaldehyde reacts with Ethanol  Heating acetic acid with MnO2  Ethylene reacts with Sulphur monochloride  Ethanol reacts with thionyl chloride in the presence of pyridine b Compute the structural difference between soap & detergents, Why Detergents are better cleansing agent than soap? c. Define the following;  Homologous Series  Peptide linkage  Zwitter Ion  Reforming of  Rancidification Petrol Question NO.6 a. What is nucleophile? Give Nucleophilic Substitution reaction between (CH3)2CH-CH2Br & NaCN? Show whether reaction is SN1 or SN2? Explain reaction mechanism in detail? b. Discuss Molecular Orbital Treatment in Benzene, and explain stability of benzene? c. Write down major natural sources of organic compounds? OR Give classification of organic compounds

4 5

5 5 4

5

4 5

5 5 4

GOVERNMENT DEHLI COLLEGE Ilussainabad, F.B Areao I(arachi. PRELTMTNARY EXAMINATTONS (2019) PHYslcs PAPER ll

3hours *Orr- Orrrrrr

Time

OrrrflO*, ,*O, ,ra "r'O*,

85 MARKS

OrarTlO*, ,*O* ,aa,a.. O., ,r aorrrl.ro*". SECTION "A" (MULTtpLE CHOTCE QUESTTONS) (17 MARKS) Q.lSelect the most appropriate answer for each from the given options:

i)

rO

O,

lf the voiume of given mass of a gas is doubled without changing its temperature the pressure of the gas is:

*Reduced to % of the initial

value *Duuble of the initial value ii)

*Equal only *Polarized

*Greater

*Positively charged

only

*Neutral

lf same resistor caries a current of '21' amperes, then, the power dissipated will be:

*P/2 v)

*Smaller

When a dielectric is placed in an electric field, it becomes:

*Negatively charged

iv)

to% ofthe initial value

*Remain same

The molar heat capacities of monoatomic gases as compared to polyatomic gases at constant volume are:

*lnfinite .iii)

*Reduced

+4P

*P/4

*2P

Two resistors of 1Q and 2O are connected in series with a battery of 3 volts. Potential difference across LQ resistor will be:

*1V vi)

1'2V *Decreases

ix)

*

xiii)

lf 'T'

*perpendicular to current *7r/+

lf a particle of mass 'm', having rest mass 'mo' is moving with velocity 'v'. lts relativistic kinetic energy will be: *

L./2mv2

Hydrogen spectrum consists of lines in: *UV region *visible region

*moc2

- mc2

*infrared

region

*mci - moc2 *All of them

The process of bremsstrahlung is inverse of:

production

*Pair

effect

*annihilation

*photoelectric effect

The energy released per unit mass is greater in:

reaction

*chemical

In nuclear reactor cadmium rods

*Heat

xvi)

*number of turns

*T4

'*f

*Fission

xv)

*2lo

the absolute temperature, the emissive power from a black bodv is proportional to:

is

*Compton's

xiv)

*O.7O7lo

l,/2

field *parallel to the field *parallel to current

*lfTmov2 xii)

*Double

ln a radial field, the plane of the coil is always:

*L/f xi)

same

The motional emf induced in a coil is independent of: *Resistance +change of flux *time

*perpendicular to the

x)

*Remain the

lf 'lo' is the peak value of current, the average value of a.c. over a complete cycle is:

*zero viii)

*7/3V

When the PN junction is forward biased, the width of the depletion region:

*lncreases vii)

*3V

ire

reaction

reaction

*Fusion reaction

used as:

*Moderators

exchanger

*both fission and fusion

*Cores

*Neutron absorbers

The isotope of iodine is used in internal therapy for the treatment of cancer in thyroid glands:

*,rlto'

* u.ltt'

xvii) The following

* ,rlt"

disintegration of radioactive element is responsible for the emission of:

zxA -->z-tXA

*B-

*,ol"t

+

?

*

c(-

*c[*

*p*

SECTION'18' (SHoRT-ANSWER QUESTiONI (4O Marks)

i)

The low temperature reservoir of a Carnot engine is at -3"C and has an efficiency

the efficiency to

ii)

7OYo.

of O%.lt is desired to increase

By how many degrees should the temperature of hot reservoir be increased?

A capacitor of 2OO pF is charged to a P.D of ]-OOV. lts plates are then, connected in parallel to another capacitor and

are found that the P.D between the plates falls to 6OV. What is the capacitance of the second capacitor?

iii)

Find the Q-value of nuclear reaction (

iv)

G

ive n

2H ea =

4.002603 u,

66R

n222

,rRa"t

)

,Heo + s5Rn222 +

=222.017 57 4u

an

d

ssRa225

e.

= 226.OZ54O6ul

The coil of a Galvanometer having a resistance of 50 ohms and a current of 5OO micro-amperes produces a full-scale

deflection in it. Compute:

* The shunt required to convert it into an ammeter of 5 amperes range. * The series resistance required to convert it into a voltmeter of 3OO volt range.

v) vi) vii) viii)

Obtain Boyle's and Charles's law on the basis of Kinetic Molecular Theory. Explain qualitatively and quantitatively what happened when a current carrying coil is placed in a uniform magnetic field.

How fast an airplane can be moved to appear half in length to an observer at rest? Find the electric field and potential at the center of square whose diagonals are 50 cm each when charges each

of

4pc are placed at four corners.

ix) x)

A tank of oxygen at O'C has a volume of 4 liters and the pressure is 50 atm. Calculate

the mass of oxygen in the tank.

An electric bulb is marked 2OOW, 24OV. lf the supply voltage drops to 15O volts, what is the heat energy produced by the bulb in 1O minutes?

xi) xii) xiii)

Explain why electric lines of force do not intersect? Name the three nuclear detectors. Explain-1he ,c.gnstruction and working of Wilson's cloud chamber. Briefly describe the Decay law and Half-life. Why are many artificially prepared radioisotopes of elements rare in nature?

xiv)

An emf of 50mV is induced in a coil of 50O turns, when the current in a neighboring coil changes from 1O amperes

to 5 ampere-s in O.2 seconds. Calculate the mutual inductance of the coils and rate of change of flux in second coil.

xv)

are lntrinsic and Extrinsic semiconductor.s? Describe the working of Transistor as an amplifier,.

_

sEEflON "C"

NoTE:.AttemptanyTwoquestionsfromthis,.rks.Drawdiagrams,wherenecessary. Q.1. (a) Name the device used to increase or decrease output A.C voltage. Describe its principle, Construction and working; also derive expression of its efficiency. OR

Describe the principle, construction and working of galvanometer. How it is converted into an ammeter or volt meter. (b)Drive the equation for capacitance when: i. Air is used between the plates

Q.2

completely.

ii. Dielectric is used partially between the plates.

(a) Explain the phenomerion of photoelectric effect. How did quantum theory explain it? Derive Einstein's equation

of Photoelectric effect. OR

(b) What is meant by Ampere's law? Obtain expression for magnetic field due to a solenoid or toroid.

a.l

(a) Drive the equation for energy and radius of hydrogen atom for nth orbit?

(b) Describe the construction and working of a Carnot engine and drive the expression for the efficiency of Carnot engine also draw labeled graphical representation of the Carnot cycle. OR

Describe the principle, construction, working, labeled diagram and equation of AC generator in term of instantaneous

and maximum enif,

Government I)ehli College Hussainabad F.B Area Karachi Home Examinations 2019 Time: 03 Hours.

NIATHENIATICS PAPER-II

Max. Marks: 100

General Instructions: Section A: It contains20 Multiple Choice Qr-restior-rs (MCQs) and all of thern are to be answered. Section B: It contains 15 short - answers questions of r.vlrich l0 qr-restions are to be answered. Section C: lt comprises of 03 detailed - auswered questions of wl.rich 02 questious are to be answered.

"A"

SECTION

(Multiple Choice Questions) Marks: 20 Note: Attempt all questions from this section. If two straight lines a1x + brY + c1: 0 and a2x + $,y + c2 : i.

0 are perpendicular then,

*

*a2b1 : a1b2 : a2b2 : If br a:(e2 - ). then the conic is a/an *Ellipse *Hyperbola

*alb1

ii.

*

*a1a.+b1b2:0

Circle.

*

Parabola.

[f two vectors A and B are such ttrata.g:0, then the vectors are:

*Parallel * Perpendicular *0 The slope of y - axis is: *tanx+c Jet"n'sec2xdx:: If f: [-1,4] + R is given by f(x) : x2, then f(-3) :: * -5 x5 The x and y intercepts of the straight line y: 2x* 2 are'. *2and2 *0and2

iv. v. vi. vii. viii.

xi.

Perpendicular

*7 The cerrter of the Jrcle x2 + yz * 6x l- av - iq: * (3.-4) * (-3,4) J f" (*).f '(x) dx is equal to (when n I -1): ix.

x.

lim*-o

llelis :

*fn*1(x)+c

A function

f(x): l.x+0 lxl * Even function

xiii.

The angle between the pair of lines 3x2

* Odd function

+ Bxy *45o

\r\. llmn*@lt+-./ :: *0 xv. lf f(x): tan 1(2x), then f'(x) : * 1 1+x2

*Does not eiist.

* -1and0

*

* rt

*et""'

-1and2

1n6l + x2)3. then

*1

*

7

:

7

*(.1,3)

* (3,4)

*fn*'(*)+c n+1

*fn-1tx)*a n-1

3y2

:

* Circular 0 is

function

* Neither even nor odd.

:

*e*

*en

*e

x 1 ++x2

*

1B0o

'

L+xz

1+x2

*21 ol

2 1+4x2

*2 ++x2

is equal to:

l]

*2ae *3

* None of them.

+

The distance between the directrices of ellipse The distance

* Concurent

*0o

*1*2**6**6* (1+x2)3

rir.

* 9

*

L\n

/-

xviii.

-l *sec2x+c

* Coincident

is:

*90"

i. Il'y :

0 is

*f"(*) n+1

xii.

xvii.

*Tangent * I *etanx+c

[f two or more straight lines meet at a point, they are said to be:

xParailel

a point P(3,

4) lrorr y-axis

*

r:nits

i =--]-ax. *1('*lb''+c

.1

{ * $ :f i.

In(1+x2)

*2a

*Zb

* -4

* 7 units.

is

units

units

- (Ax+b )-r . , -..

*]ln1ax+b)+c

, L.2

,

a2a'-2

\\.

+ 4,6,

1

iii.

rr

a1b1

/ ed"[af(x) + l'(x)] *e"'f(x)+c

dx

:

*(axtb)'z t---,

L,2

*a(ax*b)*c

:

xe""f'(x)+c

*aeaxf(x)+c

*f'(x)+c

*

3

Section B Note: Attempt any ten parts questions from this section, at least three parts questions from each section.

Q2.(i) Usingslopes,provethar(12,8),(-2.6)and(6,0)aretheverricesofarighttriangle. (ii) Find the distance berrveen the following parallel lines 3x + +y + 10 : 0 and

6x+By-9:0.

(iii) A(2' 3)

and B(3,5) are fixed points and a point P moves such that

APAB:8

square units. Find the equation of the locus of p.

(ir,') Find the constant a such thatthe fotlowing set of vectors are coplanar.

- j + k. i + 2j - 3k,3i + aj + 5k.

2i

: -i + 3 j + 2k. ANALYTICAL GEOMETRY (CONIC SECTION) Q3 (i) Find the equation of the circle which passes through the point (-2,- 4) and has the same centre as the circle whose equatiorr x2+y2-4x-6y-23:0. -d

(r,') Find the angle between the positive y-axis and the vector

is

(ii)Provethattheproductofabscissaofthepointswherethestraightliney:mxmeetsthecirclexz+y2+zgx+zfy+c:0is equal to '

(iii) Find

-i-. I+mz

the equation of the parabola whose focus is (3, a) and directrix is the line x + y - L : O. is at the origin directrix x: l6 and length of latus rectum is 12.

(iv) Find the equations of the ellipse whose centre

* 9yz : CALCULUS

(v) Find the eccentricitv, foci and the directrices of the hyperbolal,6x2 Q4 (i) Find the derivatives by the First Principle at a point x tunction f(x):sinx2 riit A lunction f R- R is defined by

:

a in the domain

D(/)

144.

of the

' (r-*vxe(-@,t)

f(x):\t+xvx€ft,zl (i

vx e (2,+@).

Find (i) the image of zero (ii) the image of

(iii)

Fincl the nth terrn and

at3 (iii)

f

limit of the sequence

f(fi)

(iv)

/(1)

(v) the image of

5.

*,*,*,

(iv) Calculate an approximate value of sin44'. (v) Find the area. above the x-axis. under the curve and between the given ordinates

V=tanzx.x:1andx:I -o4' OR

Solve the differential equation: 2

+ 2y

a: t+ 3x2,y(2):1. dx Section C

i

Note: Attempt any two questions from this section including question 5 which is compulsory. Q5 Evaluate any four of the following.

i) { +g=

(i) [o' ran3x

sec

x

dx

(iD j

.

+:2+

.1

tiul.l"o -u

x2dx

*1o^*,P

\r) j x3 tan-1x d.x

Q6 a) If A denotes the area of a triangle and coordinates of the point A, B, C and D are (6,3), ,

so that

ADBC : AABC

-

(-3, S), (4,_Z)

and

t*o* (ut) J! r1+x2')(3+{2) (x,3x) respectively.

1

find x. -: 2

b) Provethatthelinelx*

my+n:0andtheellipseS-';:l

havejustonepointincommon

if a212+b2m2-n2:0.

Q7 a) Show that the line segment joining the mid-point of any two sides ola triangle is parallel to rhe rhird side and equal to one-half its length.

ff of any two of the following: (ii) Ji2 + y, : tl) y : (.ln x)'i"*

b) Find

(iii)x:

slnt3

ln(x2

-

+ cost3.y: sint *2cos-7t

y2) atthepointt. oR

Determine tlre extrerre values of

f (x1 :

(" - zl!'

-:l

Government Dehli College Hussainabad F.B Area Karachi Home Examinations 2019

Hours.

Time:O3

PAPER-II

COMPUTER

Max. Marks:

75

t* (Multiple Choice Questions) Marks:

l. i.

15

options:

Choose the correct answer for each from the given Which field type will you select if you need to enter long text in that field?

ii.

*

start0

system0

*->and<-

* Hyperlink

*

main0

* program0

*BEGINandEND *(and)

*;(semi-colon)

(dot)

*:(colon)

*'(singlequote)

Which of the following is a correct comment?

* */ Comments

vi.

Currency

What punctuation ends most lines of C-code?

*.

v.

*

What punctuation is used to sign the beginning and end of code blocks?

*{} iv.

MEMO

What is the only function all C- programs must contain?

*

iii.

*

Text

*

15

*/

:* *:F

(srnrnsnl

**

* /* Comment

*/

* { Comment }

Which of the following is not a correct variable type?

*

float

vii. Which of the following

*:=

*

real

*

int

* double

is the correct operator to compare two variables?

*-

*equal

*==

viii.Which of the following is the boolean operator for logical-and?

*&

ix.

+l

Parameters

*

Parenthesis

* Curly

braces

* None of these

A block comment can be wriuen by

* Starting every line with double slashes * Starting wittr //* and ending with*ll

xi.

*l&

Every function in C++ are followed by:

*

x.

*&&

(//)

+ Starting with

/* and ending with */

* Starting with
and ending with -!>

When writing comments you can

* Use code and /* comment on the same line * Use code ar:d ll* comments on the same line xii.Which of the following is not

*\t

tV

xiii.Which of the following is not

*:=

a

valid

* Use code

and // comments on the same line

* Use code and
escape code?

.

*V

*\w

+>:

*>=

a valid relational operator?

*=)

xiv. What is the final value of x when the code int x; for(x=0; xcl0; x++) { } is run?

*10

,.9

xv. The directives for the processors begin with: * Two slashes (//) * ampersand (&)

*0

*1

* Number sign (#)

* Less than symbol (<)

SECTION

*8"

(Short Answers' Ouestions) Marks: 36 Note: Answer any 12 questions from this section. All questions carry equal marks.

i) ii)

Define Entity. Write a program that will print the phrase:

WEL COME DEHLI COLLEGE

iii) Write the five major data types in C. iv) What are the types of Operators in C? v) Define many to many relationships. vi) What is debugging? vii) Define the advantage of switch statement. viii) Define the address operator. ix) What is the use of break statement in for loop? x) Write a program to print the square of a number. xi) What is the use of a '\0' character? xii) What is nested looP? xiii) What is the difference between the expression "**a" 2nd "411" ;? xiv) What are pointers? xv) What is gets0 function? xvi) Define database management system. xvii) What are attributes? xviii) Write equivalent C- statement. (b) U: 1b2- 4ac1t/2 (c) z=(* +2xy + y\11{ + y31 {{z=1*+y21+ (x + y)2 SECTION "C" (Detailed Answers' Ouestions) Marks: 24 Note: Answer any two questions from this section. a) Explain the Conditional Logic with example. 3 b) Write a program that will check if a number is positive or negative. c) Create a simple program that will swap the values of fwo variables numl and num2.

4.

a) Define Function. What are the main reasons to develop a function? b) Write an Algorithm & Flow Chart of Q No. 4 part c. that will show the following output: .) yT,: ?

lrogram

***+

*** ;. 5.

a) Who is DBA? What are the responsibilities of DBA? b) What is data model? List the types of data model used.

c) What are the types Function in C? describe each function.

GOVERN MENT DEHLI COLLEGE HUSSAINABAD KARACHI

PRELIMINARY EXAMI NATIONS 2019

TIME:03 HOURS

ENGLISH PAPER II

MAX. MARKS:100

''A' cHorcE QUEsrroNS)

SECTION

NorE: Attempt alt questions from tht. slliturTrPlE

Ql. i)

(2O MARKS)

Choose the correct answer for each from the given options. Livens girls case relates to the issue of: * Silver box + purse of a lady + breaking of a family * theft ii) In the Day the Dam Broke the person speaking in the manner of Julius Caesar was: * Dr. Mallory x Mr. Gobe * Darius Conningway * Grandfather iii) Musical meloCy does not reo.uire knowledge of language, but has its own appeal. The idea comes from: * The Solitary Reaper * Ulysses * Endymion * Music When Soft Voices Die iv) Thp youngest poet in our syllabus is: * P. B. Shelley + John Keats x John Milton * Wordsworth v) The poetic form of the poem Ulysses is: * couplets * rhymed couplets * blank verse * epic vi) The theme of the poem, 'The Lost Star' is: * existentialism * romanticism x humanism * classicism vii) 'Long after it was heard no more.' Which thing has been referred to in-the poem, The Solitary Reaper? * music * gossips about reaper* battles long ago 1 screaming of the reaper viii) The bubble reputation is a reputation that: * can be changed very quickly *.can be sustained for a long time * is false * is true ix) The Countess of Helga was in love with: ,

* Hudson * Rupert * Fritz * Joseph x) Rudolf Elphberg was wounded by: * Krafstein * Lauengram * Detchard * De Gautet xi) Prague, the capital of Czechoslovakia, the loveliest and most romantic city has a match with the * zenda * strelsau * Tarlenheim * Dresden description of: xii)Julius Caesar was the general and ruler of: * Greeks * Romans * French * Persian xiii) In 'Act III of the Silver Box', Marlowe's evidence established the fact that: * the silver box was missing * the silver box had been stolen iy tvtr.. Jones + the silver box had been stolen by Jones * Jack had invited Jones to his house xiv) Eastern windows is a metaphorical expression that is used by : +{homas Gray * Arthur Hugh Ciough * Tennyson * Wordsworth . xv) The philosopher who remained source of inspiration for Einstein since his childhood was: * Schopenhauer * Aristotle * Albert Camus & plato xvi) Dr. Mallory was afraid that he will be oblivion in the cold forthcoming waters of the river:

xvii) The person who does not believe in women in.,The prisonii of Zenda,, is: * Elphberg * Sapt * Michael xviii) From Hans, the wife of the Miller ordered him to: * bring all the plYT. * bring all Fairmaids of France * bring all sweet herbs xix) The language of Ruritania is obviously:

*

* German * French 'it is of course a trifle absurd to speak of Asia as a: * harmony * disharmony * unity

Czech xx) To Russell,

* Rupert ----r--*

basker full of primroses

* Gaelic + disintegration

SECTION'B'

(SHORT-ANSWER

NOTE:

2.

(i) (i i) (iii) (iv)

OUESTIONS) (50 Marks) Attempt TEN part-questions from this section, taking at least TwO part questions from each subsection. Answer should not exceed SIX sentences. All questions cany equal marks. Sub-section I (Intermediate Enslish Book-II) What was the motive of the man to kill Mrs. Oakentubb? How long the panic last in the columbus city and how was the order restored? What are the views of Einstein about war? What according to Liaquat Ali are the differences between Hindus and Muslims beliefs?

2

(v)

(vi) (vii) (viii)

Fate or fortune tt t*Oo.t lines from an Essay on Man.

Describe the Coronation

(xiii)

Use anv THREE of the

(xv)

---

statement with reference to

Describe how Ulysses inspires his sailors to embark on a new adventure. What are the characteristics of Man of Life Upright? How does Shakespeare mock at the temporary riT"utio" of the human beings and that of the world?

(ix) (x) (xi) (xii)

(xiv)

--,

What role did

a.r. ,

who persuaded Rassendyll to be the king of Ruritania and why? what is meant by the ball? who propor"i to arrange i

""a;;?

Ceremony.

..

'

rouoffi"r,

to turn down; to call at; to bring ao*r; to make o",; ,o gi"" up; to look down upon ! Use each word of any THREE pairs in sentence to distiiguish the meaning. Access: excess; coarse: envelope; gamble: gambol; herd: heard; "o',rrr"f"nrerop: pair, pare; principle, principal \4gtgt lbg FIVE words of box A with the meani in box B

MEANINGS

Cosmopolitanism, yield, sinister, rnoat, kettle fish, accumulate, waddling, autocratic

hoard, dange.o.,-Jire.se walking, give up, awkward"rr[l:.", situation, wide di of an absolute

SECTION'C, pETATLEp AriswER

ouESTroNS (30 Marks) NOTE: Attempt all questionr fro* marks. 3. W1!" an essay on any ONE of the following: (i) CPEC- a Highway to prosperity (ii) Water Crisis in pakistan (iii) The emergirrg po*", of So'cial 'lfzledia: prospects and --- problems "'(iv) PSL-4/ An Interesting cricket Match An asset and hope of our country 1;j4. Change the narration. "o",r: (i) 'Have you pared your nails?' The teacher said to her. poor man exclaimed, .Will none of you help me?, Ilil The (iii) 'What a beautiful scene this is!, He said. (iv) They told us, "Let us plan holidays on a farm every year.,, (v) She said to her husband, "'what are you afraid of? Are you a man 5. R::9 the fotlowing passage and answe-th;;;r,iorr. gir"r, betow: or a mouse?,, have grown distrustful of what is wihin o.r.rJlr"r; for that, we have learned, is no longer of

i) ii) iii) iv) v)

importance. Space and science insulate us from the sympathy of humane communication. And there is no compensation for our loss. our ways of life, under the compulsion of mechanical powers with which it would be useless to argue they have no heads, as kings had, to be cut off are shaping us into flocks with the same faces' the same wool, and the same desires. our heads instinctively turn in orr" direction. we are losing our personal oddities and characteristics, for these are of no use, and are even dangerous to flock masters. It is becoming hard to teil one sheep from another. we read the same newspaper, are prompted by the same loudspeakers, dance to the same music, and stampede before decisions not our own. What is setting us apart from other human beings?

why is it useless to arg,e over our flock like behavior? what, according to the above text, are we rosing in trris

age of scie,ces,2

Give the meanings of the unclerlined w.ords. Identify the parls of speech of the fbllowing rvords: distrusttirl oddities instinctively

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(1). Houses of the Pakistani parliament

*4

*2

*5

*3

-+ Pl,l i*yft

is:

2

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(2). Sindhi language has alphabets

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*50

*54

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*88'1,913 kmz

km2

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5). The second Governor General and the second prime minister of Pakistan:

nazimuddin (6). The permanent members of the security council is: *13 *9 *5 "2 * Ayyub

khan

* lsKander

Mirza

on "25 Dec

"Khawaja

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7). Pakistan celebrated Yum e Takbir

* 14 Aug

"Liaqat Ali Khan

*28 MaY

8) All lndia Muslim League celebrated The Day Of Deliverance

on:

"6 :ttz,>V.Sldt,JtL4fLhrJi

SeP

(t

* 23 march 1940* 06 september 1965 * 23 december 1939 * 22 december 1939

(9). Lahore resolution was presented

by:

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Khan

*M Ali

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Section B (Short ^Answer Questions) :

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y;- t{vf.

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t

r

Note: Attempt any six questions from this section. All question carry equal marks

-'J-fi1g.iPowLPt{*1vt

(r)

1) Describe shortly the condition of sub continent before lslam.

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(r)

(2 ) What do you know about Khialfat movement or Ali gadh movement? Explain shortly.

rg-/c)9ar6.eWu,ry y-4,Qioti'LJut(D16c)dyirL,rczz U) 3)Describe four main lslamic provision of Pakistan's 1973 constitution.OR

Write an ipmortance of Objective resolution?

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Q,)

(4)Describe the importance of geographical location of Pakistan. -

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6 gi'ur,rfS $ \

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|

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5) Write down any four Natural resources of Pakistan. OR Wirte down shortlly about UNO or OlC. t

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(6) When and where did all indai muslim league established? what are its initial objectives ?

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(7) Precisely describe about Sindhi language ?

(n)

-,1/clV.-*r(,nnJwt,,)S B) Write down the importance of communial reconciliation.

culture. -4/tlgf,PJG*r)!VL,rtdjdt,

9)Describe shortly the mian features of Pakistani

(q

(et)vleW,P)O-o Section c (Detailed Answer Questions) j,l4 /,>Vt L o I r,, {"- t t t);O r,,r/) r :

r

Note: Attempt any two part from this section. All question carry equal marks -

g{ dV, b,ry',, d, 1fd t

i{ c){L-r

l.Describe the role of Urdu in national integration of Pakistan

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L

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2.What is foreign policy , Discuss the basic principles of the foreign policy of Pakistan. OR Describe the important political events between 1936 A.D and 1947 A.D -,J.

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3) What were the problem faced by Pakistan after its creation ? OR Briefly discuss the role of All lndian Muslim League in Pakistan movement

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Government I)ehli College Hussainabad F.B Area I(arachi Horr.re

Examinations 2019

BOTANY PAPER-II

Time: 02 Hours.

Max. Marks: 40

SECTION'A' (MULTIPLE CHOICE QUESTIONS) NOTE: i)

ii)

08 Marks

This section consists of L6 part MCQs, each carries 'Z marlc AII are to be answered. Do not copy MCQs in answer book. Write only full answer with question number.

Q.1. Select the best option provided for each MCQ.

i.

Formation of seeds without fertilization

*dormancy ii.

*parthinocarpy

xapomixis

*grafting

Detach of apical bud releases the lateral bud from apical dominance called:

*inhibitory

effect

*compensatory

effect

*photoelectric

effect

*Hawthom effect

iii.

Regulatory mechanism which maintains an organism's internal environment within suitable limits: *homeostasis *plasmolysis *circadian rhythm *feedback mechanism

iv.

Beadle

& Tatum hypothesis claims that

*carbohydrate v.

x. xi.

xiii.

xv.

*deserl,

*chemotropism

*hydrotropism

*thigmotropism

*heat shock

proteins

*gibberellin

*auxin

*weedicide

*germicide

*fungicide

Total aggregate of genes in a population at a certain time. *linkage *gene pool *crossing

*ecological niche

over

Eight histones coiled twice by DNA constitute:

*supercoil

*chromatin

*DNA,

Angiosperms do not need water for fertilization because of the formation of: *seed *pollen grain *pollen tube *endosperm

of cell cycle during which DNA replicates: *prophase *metaphase

The non-dividing phase

Array of chromosomes that an individual possess: *autosome *sex chromosome

*gene

pool

*anaphise

*Karyotype

Nuclear division is termed as:

*karyokinesis xvi.

*tundra

*red, biue

*interphase xiv.

*savannah

i

Following pair of visible lights are absorbed during photosynthesis. *violet, indigo *blue, green *yellow. orange

*nucleosome xii.

25cm:

The common use of 2,4-Dichloro phenoxy acetic acid as:

*insecticide ix.

*enzyme

These prevent enzymes from being damaged at high temperature:

*phytolexins viii.

*fat

Plant movement in response to the stimulus of touch:

*goetropism vii.

*protein

An ecosystem with annual rainfall less than

*grassland vi.

genes express themselves through:

xcltokinesis

*necrosis

+apoptosis

Guanine pairs up with Cytosine through:

*single

bond

*double

bond

*triple

bond

*without bond

SECTION'B'

ouEsrrN 2o Marks Attempt any part Ten questions. Each question carries one mark Answer should not exceed two lines. Q'2 (sHoRT ANSWER

i. ii. iii. iv. v. vi. vii. viii. ix. x. xi. xii. xiii. xiv. xv. xvi.

Define centromere or Test cross. I

What are:the biotic components of an ecosystem?

How plants cope with low temperature? What do you me€m by turgor pressure? What events happen during S-phase? What causes sickle cell anaemia?

Briefly discuss type-l diabetes mellitus. Briefly diicuss role of gibberellin. How is sqil formed in a terrestrial ecosystem? Define vei"nalization.

Why grasslands are called the bread basket of the world? How is rebemose inflorescence different from cymose? Name only the two steps involved in protein biosynsthesis.

Define epistasis or kinetochore. What meristem causes secondary growth? De{ine linkage.

Q. 3 Attempt any'5 part questions, each carries 2 marks. Answer should not.exceed five lines.

i. ii. iii. iv. v. vi. vii.

Define mutation and discuss important causes of mutation. What iS negative interaction in an ecosystem? How is lapoptosis different from necrosis? State Law of Segregations.

Briefly $iscuss artificial methods of asexual reproduction in plants. Define crossing over Briefly discuss edaphic or topographic factors.

SECTION'C' (DETAILED-ANSWER

eUESTIONS) Marks: t2 Attempt any fwo questions. Q.4 AII questions carry equal marks. i' What is ecological succession? Describe stages of a hydosere development till climax community. ii. Describe sek-linked inheritance in man with reference to hemophilia. iii' Describe Watson & Crick model of DNA in detail. How this model explains semiconservative replication of DNA. OR What are meiotic errors? Describe defects caused due to abnormal number of chromosomes.

Government Dehli College Hussainabad F.B Area Karachi Home Examinations 2019 ZOOLOGY PAPER-II

Time: 02 Hours.

Max. Marks: 45

SECTION “A” (Multiple Choice Questions) Marks: 09 Note:

i) This section consists of 18 part questions and all are to be answered. Each question carries ½ mark. ii) Do not copy the part question in your answer script. Write only the answer in full against the proper number of the question and its part.

1. i.

Select the most appropriate answer for each from the given options: In marine bony fishes the salts are excreted out by special cells presents in the *Tail

ii.

xiv.

* Halt’s node

* Helen node

* Hendle’s node

* Lygase enzyme

* Lysozyme

* Lysosome

* Dome

* Gene population

* Gene pool

* Sulphur layer

* Carbon layer

* phosphorus layer

* Analogous organ

* Homologous organs

* Hetrologous organ

* Haemophilia

* Asthama

* Albinism

* Bacteria

* Fungi

* Algae

* Fore limb of Horse and Cat

* Coccyx vertebra & appendix in man

The bones of skull except brain box are called * Axial bones

* Appendicular bones

* Frontal bones

* Phenylmide

* Phenylalanine

* Nervous disorder

* Sexually transmitted

* Progesterone

* Adrenaline

* Axon

* Synapse

Nutra sweat is produced from a compound called * Phenyl acetyl

The Genital herpes, Aids, Syphilis and Gonorrhea are * Skeletal abnormality

Emergency hormone is called *Thyroxin

xviii.

* Hetrozoite

* Wings of Bird and Bat

*Hormonal xvii.

* Zerophrodite

*Flipper of Turtle & Whale

*Phenyl aldehyde xvi.

* Hetrophrodite

The organs which are considered as vestigial organs are

* Facial bones xv.

* Thyroid

Eutrophication in lakes and ponds is due to growth of *Plants

xiii.

* Pituitary gland

The disease which is caused due to complete or partial loss of pigmentation in skin eyes and hairs is called * Sickle cell anemia

xii.

* Pineal gland

The organs in reduced form persist generation after generation with no function are * Vestigeal organ

xi.

* Loop of kenle

The protective shield around the earth for the life is * Ozone layer

x.

* Loop of Henle

A more or less genitically isolated unit of population is called * Deme

ix.

* Collecting duct

The enzyme which is used to cut DNA molecule is * Restricted enzyme

viii.

* 300

In the formation of mesoderm the upper ends of primitive streak are swollen called *Hensen’s node

vii.

* 400

When male and female reproductive organs are found in the same individual it is called *Hermaphrodite

vi.

* 500

Parathormone hormone is secreted by *Parathyroid gland

v.

* Skin

The network capillaries inside the Bowman’s capsule is called *Glomerulus

iv.

* Mouth

The number of muscles in human body is about *600

iii.

* Gills

* Insulin

The loose connection b/w two neuron is called *Cell body

* Dendrites

Section „B‟ (Short- Answers‟ Question) Marks: 22 Note:

Attempt any eleven part question in all. Select six questions from Reasoning Questions and five from Non Reasoning Questions. All question carry equal marks.

2.

(a) i)

Reasoning Questions: Why an old age women gets more fractures during an accident? Or Unifactorial defects are developed (give reason) Or Why ammonia is best excretory product in aquatic animals?

ii)

Multifactorial defects are developed (Give reason). Or Why marine protozoans do not have contractile vacuole? Or How does a muscle become fatigued?

iii)

What is Genome Library? Or Why animal cells burst when placed in hypotonic solution?

iv)

Dementia is due to (give reason) Or why hypothalamus is called thermostat of the body?

v)

Why ligase enzyme is called binder? Or how jet propulsion effect is produce in jelly fish?

vi)

Why Pituitary gland was called as master gland formerly? Why heat stroke is produced in a man? Or why monozygotic twins have the same sex?

vii)

How are identical twins produced? Or In chick why cleavage is called discoidal type?

viii)

When fatty layer is present around the neuron which type may create? Or why plasmid are used as vector in rDNA technology?

ix)

When there is more somatotropin hormone in early age? Or why air is considered as renewable energy? Or why hydroelectric energy is better than other resource?

(b)

Non Reasoning Questions:

x)

Write down causes and symptoms of aging. Or Role of cytoplasm and nucleus in development

xi)

Write down function of Kidney Or Nephron. Or what is kidney problem? Or write down types of Dialysis. Or write function of liver.

xii)

Write down function of skeleton. Or write deformities of skeleton. Or what are spermatogenesis and Oogenesis?

xiii)

Write down Osmoregulation in any one (a) Terrestrial animals (b) Fresh water animals (c) Marine animals. Or write type of asexual reproduction in animals.

xiv)

Write down DNA fingerprinting give two advantages. Or write down application of genetically engineered bacteria.

xv)

Structure and function of neuron or write down endangered species. Or draw a diagram of Hen’s egg. Or Human brain. Or Human kidney. Or typical neuron

xvi)

Write structure and function of placenta. Or umbilical cord. Or protective coats of embryo

xvii)

Write difference b/w smooth and cardiac muscles. Or striated muscles. Or write down types of receptor. Or locomotion in earth worm/ jelly fish and cockroach.

xviii)

Write down renewable and non-renewable resources of energy. Or Eutrophication or Afforestation and Deforestation or write abnormal development in man.

Section „C‟ (Detailed –Answers‟ Questions) Marks: 14 Note: Attempt any two questions from this section. All question carry equal marks. 3.

Write down structure and function of Nephron? Or write in details Thermoregulation in Mammals. Or what is joint also write types of joints with diagram? Or write down structure and function of skeletal muscles with diagram? Write in details locomotion in Phylum Protozoa with diagram? Or Write excretion in Planarian, Earthworm and Cockroach with diagram?

4.

What is nerve impulse how nerve impulse may produce? Or what is pituitary gland write location character and function of pituitary gland? Or Write down Menstrual cycle with sketch? Or Write male or female reproductive system with labeled diagram?

5.

Write in detail structure and function of human brain with labeled diagram?

6. What is rDNA technology evaluate your answer with complete procedure with sketch?