Page 1 of 17
MODEL PAPER
Academic Development Unit (ADU)
Class: 9-Science
We assure quality education
Name: ____________________________________
‫ ۔۔۔۔۔۔۔۔۔۔۔۔۔۔۔۔۔۔۔۔۔۔۔۔۔۔۔۔۔۔۔۔‬8‫م‬
Father’s Name: ____________________________
‫ ۔۔۔۔۔۔۔۔۔۔۔۔۔۔۔۔۔۔۔۔۔۔۔۔۔۔۔۔‬8‫ م‬5 ‫ؤا‬
‫ؤری ا ث‬a:
GENDER
Please tick  one
ñ ‫ے ؤف‬a:
Male  Female 
‫ ۔‬ñ
‫ن‬
Total Marks: 120
‫ ۔‬ñ ‫ھ‬a:
‫ اؤر‬ã ‫ؤہ‬
:
‫۔‬
‫( ؤا‬Male) ‫ئ‬
‫اؤر م‬
‫اؤر رف‬
:
‫ؤ‬٫
‫ا‬5
‫ا‬
6‫ف‬a: ‫ ۔‬ú : êë a:a ‫ل‬
ñ
‫د‬
‫ا‬5
‫ ۔‬ú :‫ل‬
‫۔‬
‫ر ں‬
‫اث‬
‫۔‬5
‫۔‬5
:
‫ا زث‬
‫رہ ؤ‬h ‫ اؤر‬ñ
:‫ل‬
‫ن‬
‫ا‬a
: ‫ٹ‬5 ‫۔‬7
@ ‫ؤہ‬
‫رہ ؤ‬h ‫۔‬8
‫ل‬
‫۔‬9
‫ا‬5‫ن‬
8 @ a8 5 ‫اؤر د‬
‫ ا‬ñ ‫@ رث‬
:
‫ ۔‬ú :‫ر‬
PUNJAB
EDUCATION FOUNDATION
‫۔‬6
‫ا‬5 ñ
ê : 5 ‫ آپ‬êë‫ ؤر‬ú : a: :
‫۔‬
‫۔‬
6
ñ
ê h
‫ا‬
‫ د‬ñ
‫د‬:
‫۔ ا‬5
ñ a:h
@ ‫۔ م >واﻻث‬
‫ﻻ‬ê9
‫ہ ل@ ا‬
‫۔ >وال‬4
:
‫ث‬
‫۔‬2
‫ >وال ﻻز‬a ‫۔‬3
‫دی‬
5‫س‬
ñ ‫ؤرث‬a:
‫ ا‬a ‫@ ا‬،
‫اؤر‬
ñ
‫ا ث@ ر‬
ñ ‫@ رڈ اؤر‬
ê :ê
‫ ۔‬ñ
‫( ؤا‬Female) ‫ث‬
‫ڈ‬
‫ ۔‬ña ‫ں‬
Total Time: 2 Hours
30 Minutes
:
‫ر‬h ‫ف‬a: ‫ م‬6‫۔ ا‬1
‫ی‬a: ‫ اؤر ا‬ú : :h 9 : ê
‫۔‬10
‫ف‬a: ‫۔‬11
ê : ‫۔‬12
‫ا‬5
Page 2 of 17
MATHEMATICS
Total Marks: 20
SECTION – I
Q. No. 1. Encircle the correct answer from the following choices.
‫ ۔‬ñ
1.
Product of [
]
‫ ہ‬:‫ د دا‬:
‫ اؤر اس‬ú : ‫ ا ب‬5 ‫اب‬
a) [2x + y]
b) [
]
c [
d) [
]
]
‫ر‬
ِ‫ظ‬
‫ ش‬6 ِ
a) {0}
b) {0, -1}
c) {0, 1}
d) {1,
‫ب‬a: ِ
]
‫۔‬1
،
@
ñ‫ں‬
‫د‬
‫۔‬2
ِ
‫۔‬3
The logarithm of unity to any base is :
a) 1
b) 10
c) e
d) 0
:‫ ا‬:
‫ر‬5 5 “1” : ‫ا س‬
The degree of the polynomial 4x4 + 2x2y is :
8
a) 1
b) 2
c) 3
d) 4
5.
5[
, }
8
4.
‫ درج ذ‬81 a ‫>وا‬
ñ
Which of the following sets have the closure property with respect to addition:
8
3.
‫در‬
is :
8
2.
(8×1=8)
ê ‫ در‬5 4x4 + 2x2y
‫۔‬4
‫ ذؤ ا> ف ا‬5 (a4- b4 ) ‫( اؤ ر‬a2+ b2)
‫۔‬5
LCM of (a2+ b2) and (a4- b4 )is :
8
a) a2 + b2
b) a2
c) a4
d) a
b4
Modal Paper
b2
b
Punjab Education Foundation – Academic Development Unit (PEF-ADU-QAT)
Page 3 of 17
6.
A statement involving any of the symbols < , > , ≤ or ≥ is called :
8
،
‫ا‬
‫ؤا ث‬
a) Equation
7.
ñ ≤
a
a
ِ‫ ن‬6 @
‫۔‬6
‫ؤا ث‬
‫ا‬
a
‫در‬
‫ؤا ث‬
d) Linear equation
‫در‬
If y = 2x + 1 , x = 2 then value of “y” is :
8
“y” @
a) 2
b) 3
c) 4
d) 5
8.
ñ
≥ ،<،>
b) Identity
‫ؤاث‬
c) Inequality
@
x = 2 ‫اؤ ر‬
y = 2x + 1 :‫ا‬
‫۔‬7
‫ا‬
8‫۔‬
A triangle having all sides different is called :
8
ñ
‫ؤی ا‬
‫ع‬
‫ؤی اﻻ‬
a) Isosceles
c) Equilateral
،‫ں‬
ِ ‫ع‬
‫ما‬
ِ
‫ع‬
b) Scalene
‫اﻻ‬
êë‫ا ؤ‬a ‫ ا‬ê
d) Right angled
SECTION – II
Q.No.2. Answer the following short questions.
(6 × 2 = 12)
‫ ۔‬ú ‫ ا ب د‬a:
(1)
,B=
For the matrices A =
A+ B = B +A êC ú :
(2)
Represent the number
6
‫>و ا ﻻ ث‬
verify that A+ B = B +A‫۔‬
‫ں‬
‫ دؤ‬B =
(1)
‫ اؤ ر‬A =
on the number line .
‫ ۔‬ú :a
(3)
‫ ۔‬2 a ‫>و ا ل‬
‫ذ‬ê ‫ر‬
: ú‫ﻻ‬a
@
‫د‬
(2)
Find the value of “x” from the statement logx64 = 2 ‫۔‬
‫ ۔‬ú :‫م‬
Modal Paper
“x”
ñ logx64 = 2
(3)
Punjab Education Foundation – Academic Development Unit (PEF-ADU-QAT)
Page 4 of 17
(4)
If a + b = 5 and a b =
, then find the value of ab.
‫ ۔‬ú :‫م‬
(5)
(6)
ab @ a
‫ اؤ ر‬a + b = 5 :‫ا‬
(4)
144a2+24a +1 8 ú : ‫ی‬h 9
(5)
b=
Factorize: 144a2+24a +1.
Find the length of the diameter of the circle having centre at C(-3 , 6) and passing through
P(1 , 3).
‫۔‬
Modal Paper
‫ ؤا‬: ‫ ہ‬: ‫ دا‬P(1 , 3) ê
‫اؤ ر‬
C(-3 , 6)ê
‫ ی‬a:h 5
ِ
6
h
‫ ہ‬: ‫دا‬
‫ا‬
(6)
Punjab Education Foundation – Academic Development Unit (PEF-ADU-QAT)
Page 5 of 17
ENGLISH
Total Marks: 20
SECTION - A
Q. No. 1.
1.
Encircle the correct answer from the following choices.
Choose the correct form of verb:
If I _________ out, I will turn off the TV.
(a) go
(b) gone
(c) going
(d) goes
2.
Choose the correct adjective:
This is a very __________ seminar.
(a) information
(b) informed
(c) informative
(d) informing
3.
(8)
Choose the correct translation.
–
‫در‬
ñ ‫رے غ‬
(a) There are many trees in our garden.
(b) There were many trees in our garden.
(c) There was many trees in our garden.
(d) There is many trees in our garden.
4.
Fill in the Blank:
Saqib is leaving ____________ Friday at noon.
(a) at
(b) from
(c) in
(d) on
5.
Choose the correct meaning of the underlined word.
It was so delicate situation.
(a) difficult
(b) easy
(c) sensitive
(d) fragile
6.
Which of the following is correctly changed into Present continuous tense:
I cook food.
(a) I have cooked food.
(b) I was cooking food.
(c) I am cooking food.
(d) I have been cooking food.
Modal Paper
Punjab Education Foundation – Academic Development Unit (PEF-ADU-QAT)
Page 6 of 17
7.
Choose the correct option according to the grammar.
I soon returned home because I was upset. This is a _____________
(a) compound sentence
(b) simple sentence
(c) complex sentence
(d) compound and complex
8.
Choose the correct option according to the grammar.
“Patience” is a/an _________
(a) material noun
(b) collective noun
(c) uncountable noun
(d) abstract noun
SECTION - B
Attempt all questions.
Total Marks (12)
Q.No.2. Make sentences from the following words: (2)
Word
Sentences
Commendable
Resolute
Q.No.3. What is the most important function that media performs?
(2)
Q.No.4. Change the voice of the following:
(2)
1- He loves his son.
2- Open the door.
Q.No.5. Write a letter to mother who is worried about your health.
(6)
OR
Write a story with a moral “Haste Makes Waste”.
(Note: This question can include any type of descriptive question from the syllabus
provided to test the writing ability of the students.)
Modal Paper
Punjab Education Foundation – Academic Development Unit (PEF-ADU-QAT)
Page 7 of 17
‫اردؤ‬
25 8a
M
(‫ اؤل‬ê )
(8)- ú : ‫ ا ب‬5 ‫اب‬
‫در‬
ñ
‫ درج ذ‬18a ‫>وال‬
‫ا ۔‬a: ñ ‫ی‬h ‫د‬
‫اؤر ا‬
ّ
êë ‫( دؤ‬b)
êë‫را‬
(d)
‫ ۔‬ñ
ñ
‫ج‬
‫ا ز‬
>
(a)
ê ‫ر‬
(c)
ّ
-2
(b)
‫ر‬
(a)
(d)
9
(c)
‫۔‬
ّ
‫ م‬5
ّ
"‫ "آرام ؤ ن‬ÿ
ÿ
(b)
-3
:
(d)
(a)
6‫ﷲ‬
‫۔‬
ñ
h
-4
:‫ ا‬: ‫ر‬
(a)
ّ
:‫ ا‬: ‫ذرہ‬
(d)
(c)
‫ ۔‬ñ
-5
‫( دؤ‬b)
ñ
(d)
9
‫۔‬
‫ں‬
‫ؤں‬
Modal Paper
(c)
:‫ ا‬5 ‫ ا ن‬: ‫ ے‬6
(b)
‫ر‬
-1
‫ در‬5" : êë ‫ادب‬
(c)
@‫"زا‬
(b)
:
(d)
: ‫دب‬
(a)
ٔ
-6
(a)
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Page 8 of 17
‫؟‬
‫ درد ر‬ñ
‫آ‬
‫ے‬a
‫@ ن‬ê
(b)
ّ
a ‫ے ا@ د‬a
(d)
‫@ دؤا دی‬
‫در‬
-7
‫ ا‬: a êë
(a)
a ‫ڈا‬
(c)
h
‫ م ؟‬85
‫ ق‬7‫( ا‬b)
‫ق‬
‫( ا‬d)
‫ں‬
-8
‫† ق‬
(a)
‫ا ق‬
(c)
( ‫ دؤ‬ê )
‫دی؟‬
‫؟‬
ّ
(4)‫ ۔‬ú‫ ا ث د‬a:
‫ح‬h
‫ا‬
‫ا ق‬
‫زا‬h
@
‫ؤا‬
"
(2)‫ ۔‬ú : 9 a
‫ں‬
‫ا‬a ‫ا اؤر ؤ ں @ ر‬a ‫ر‬
‫ب‬8@
(6) ‫ ۔‬ñ
Modal Paper
ê
@
:‫د‬
:‫ ی‬6
@
‫ن ر‬
h<
ñ‫ں‬
‫ ؤ‬ñ ‫ں‬
"‫ "ا ن‬ÿ 8
‫ا‬
2 8a ‫>وال‬
‫>وال ا‬
‫زا‬h " ÿ 8‫>وال ب‬
‫داث ؤ‬
ñ ‫ا< ر‬
‫ﻻ‬، @
‫ دل‬ñ
‫ذ‬ê ‫ر‬
‫>واﻻث‬
‫ذ‬ê ‫ر‬
38a ‫>وال‬
ñ‫ں‬
ِ ‫آ‬
‫دؤ‬
ñ
"‫ری‬
ّ
‫ ڑ‬8" 4 8a ‫>وال‬
Punjab Education Foundation – Academic Development Unit (PEF-ADU-QAT)
Page 9 of 17
BIOLOGY
Total Marks: 20
SECTION - I
Q. No. 1. Encircle the correct answer from the following choices.
‫ ۔‬ñ
1-
‫ ہ‬:‫ د دا‬:
(8)
‫ اؤر اس‬ú : ‫ ا ب‬5 ‫اب‬
‫در‬
ñ
‫ درج ذ‬81 a ‫>وال‬
Which of the following is the latest field in biology?
‫؟‬
Immunology
@ ‫( ا‬b)
(a)
Pharmacology
ú:
@
ñ ‫ان‬
Entomology
‫ا‬
Biotechnology
6
(c)
@‫ر‬
2-
An observer organizes observations into data form and gives a statement as per
experience and background knowledge of the event .This statement is called:
‫ ن‬6‫۔ؤہ‬
6‫ ن د‬6 : ‫د‬
h
‫اؤر ؤا‬
h9
(d)
‫اؤر ا‬
:
Hypothesis
ñ
6‫اث @ ڈ‬
8
‫ا‬
-2
êë
a: 9
(b)
Supposition
‫( ا ازہ‬d)
(c)
Theory
‫ری‬
In which kingdom mosses and ferns are placed?
‫؟‬
Kingdom monera
(a)
Kingdom fungi
(c)
4-
‫رؤر ا‬a:‫آ‬
Suggestion
(a)
3-
-1
‫ا‬a
‫ م‬8 (b)
‫ م‬8 (d)
8 ‫ ر‬ñ‫ م‬8
Kingdom plantae
@ a:h ‫ اؤر‬a8
-3
‫ م‬8
Kingdom animalia
‫ ما‬8
During which phase of cell cycle spindle fibres are formed?
‫ ؟‬ñ
(a)
Prophase
(c)
G2 phase
Modal Paper
a ‫ ؤ‬: (b)
a 2
(d)
‫ز‬a ‫ل‬
ñ
h
-4
Interphase
a a‫ا‬
Metaphase
a
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Page 10 of 17
5-
What is true about cofactors?
‫؟‬
Break hydrogen bonds in proteins
(a)
ñ
‫ز@ ڑ‬
6-
ñ
‫ز‬a
@
-5
Help facilitate enzyme activity
‫ رؤ‬6 ‫د‬
ñ a ‫ؤ‬:
(b)
‫ا‬
(d)
ñ
‫د‬
: ‫ م‬5 @ ‫ا‬a ‫ا‬
‫ آ‬ñ
Are composed of proteins
Increase activation energy
(c)
‫ در‬8 ñ ‫رے‬
‫ د‬a: @
:‫ا‬
ñ
a ‫ؤ‬:
During photosynthesis where the dark reactions take place?
‫ ؟‬ñ
ñ ‫ ر‬5
(b)
‫ ں‬a ‫دؤران ڈارک ری ا‬
a
In cell wall
ñ ‫ؤال‬
(c)
In stroma of
chloroplasts
7-
In which process glucose molecule is broken into two molecules of pyruvic acid?
‫؟‬
‫ @ ڑا‬ñ a
h
‫( ا‬b)
5
ñ
In mitochondria
‫ رؤ‬5 (d)
-6
In nucleus
(a)
ñ ‫ؤ‬a
@
‫دؤ‬
‫رؤؤک ا‬
@‫ل‬
‫ @ز‬5 ñ
-7
a :
(a)
Alcoholic fermentation
(c)
Electron transport chain
8-
Which of the following micronutrients is necessary for photosynthesis and activates many
enzymes?
‫؟‬
(a)
Boron
(c)
Copper
Modal Paper
6‫ل‬
ñ ‫ رٹ‬ÿ ‫ ا‬: ‫ان‬a ‫( ا‬d)
@ h ‫ا‬a ‫ا‬
‫اؤر‬
Krebs cycle
‫ؤری‬a:
‫( @ رؤن‬b)
:5 (d)
a ‫ ﻻ‬5
Glycolysis
a
Iron
Chlorine
@
: ‫ ؤ‬6
@
ñ ‫ان‬
-8
‫ ن‬:‫آ‬
ú‫ ر‬5
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Page 11 of 17
SECTION - II
Q. No. 2. Write short answers of the following questions.
‫ ۔‬ñ
(6 x 2 = 12)
‫ ا ث‬a:
‫>واﻻث‬
‫ذ‬ê ‫ر‬
82 a ‫>وا‬
(1)Write down the names of the books of Abdul Malik Asmai.
‫ ۔‬ñ
‫م‬
‫ @ں‬8
‫ ا‬e.(1)
‫ا‬
(2)Define Biodiversity.
‫ ۔‬ñ
h>
‫ ڈا ر‬.(2)
(3)What is endocytosis? Write down names of its two types.
‫ ۔‬ñ
‫م‬
‫؟اس دؤ ا م‬
‫اد‬h 8
‫ ؤ‬6‫ا‬.(3)
(4) What is lactic acid fermentation?.
‫؟‬
h
8
‫ا‬
‫ (۔‬4)
(5) What changes occur in respiration during Krebs cycle?
‫ ؟‬ñ
‫ںآ‬
6 8 ‫دؤران‬
(6) What is the function of Pepsin in Digestion ‫?۔‬
‫ ۔‬ñ
Modal Paper
5
a : ñ
6
‫دؤران‬
a ‫ر‬.(5)
‫ ڈا‬. (6)
Punjab Education Foundation – Academic Development Unit (PEF-ADU-QAT)
Page 12 of 17
PHYSICS
Total Marks: 20
SECTION - I
Q. No. 1. Encircle the correct answer from the following choices.
‫ ۔‬ñ
1.
‫ ہ‬:‫ د دا‬:
(8 x 1 =8)
‫ اؤر اس‬ú : ‫ ا ب‬5 ‫اب‬
‫در‬
ñ
The unit of amount of substance is:
‫۔‬
a
(a) Meter
The least count of screw gauge is:
a
0.001
a
(c) 0.1 mm
6‫ ؤ‬5
5
@
-2
a
(b) 0.01 mm
0.01
a
1
‫درج ذ‬
-3
0.1 (d) 1 mm
Which of the following is not a base quantity?
‫؟‬
(a) Intensity of light
(c) Quantity of
substance
ñ
‫ث‬
‫( رؤ‬b) Current
‫ار‬
(d) Newton
@
5‫دی ا‬
ñ
6:
ú
The acceleration produced in a moving body is always in the direction of applied
‫۔‬5
(a) Force
(c) Speed
5.
-1
‫ل‬
(d) Mole
(a) 0.001 mm
4.
‫دہ‬
@
‫۔‬
3.
6 @ 5 ‫ار‬
(b) Coulomb
(c) Second
2.
‫ درج ذ‬81 a ‫>وا‬
ñ
-------- ‫ؤا‬
‫رس‬
:
‫ا‬5
ê
:
8
-4
(b) Momentum
‫ؤﻻ‬
(d) Velocity
Second equation of motion is:
8
1
(a) S  vi t  at 2
2
(b) v f  vi  at
(c) 2as  v 2f  vi2
(d) 2as  v 2f  vi2
Modal Paper
‫ؤاث‬
‫ی‬a8‫دؤ‬
8
-5
Punjab Education Foundation – Academic Development Unit (PEF-ADU-QAT)
Page 13 of 17
6.
Velocity and acceleration of a body moving with uniform speed in circular path will be:
8
ñ‫ں‬
(a) In opposite direction
ً
‫دا‬
(c) Mutually perpendicular
7.
‫اؤر ا‬
‫ں‬
‫ؤﻻ‬
8
ñ
ñ ‫ ے‬:‫دا‬
-6
ñ
(b) In same direction
‫ا‬
‫( آ‬d) Equal
:‫ ا‬:
The separation between two vernier lines is:
8
ê
(a) 9 mm
(b) 0.9 mm
(c) 10 mm
(d) 0.10 mm
8.
:
‫ در‬5 ‫ دؤ ﻻ ں‬a :
a ‫ؤر‬
-7
‫ا‬
-8
1 Newton is equal to:
8
(a) 1 Kg/s
(b) 1 Kgm/s2
(c) 1 Kg m/s
(d) 1 Kgms2
:‫ ا‬: ú
SECTION - II
Q. No. 2. Write answers to the following questions.
(6 x 2 = 12)
‫ ۔‬ñ
1-
‫>واﻻث‬
‫م اؤ ر‬
‫د دی‬
‫ارؤں‬
ñ
Convert 457.86 in scientific notation.
‫ ۔‬ñ
4-
† a‫ا‬
-1
h>
-2
ñ
@
6 @ 457.86
‫رم‬
@
‫ اس ؤﻻ‬8 ‫۔‬
‫ر‬:
‫رم‬
8
-4
:‫ا‬
-5
h
-6
State law of inertia.
Write any two methods for reducing friction.
‫ ۔‬ñ
Modal Paper
‫ا‬
@
‫ ۔‬ú : ‫ ن‬6‫ @ ن‬5
6-
-3
A body is moving with a uniform speed. Will its velocity be uniform?
‫؟‬
5-
82 a ‫>وا‬
Define second.
‫ ۔‬ú:
3-
‫ذ‬ê ‫ر‬
Write the names and symbols of basic units present in system international.
‫ ۔‬ñ
2-
‫ ا ث‬a:
h ‫دؤ‬
@
:
Punjab Education Foundation – Academic Development Unit (PEF-ADU-QAT)
Page 14 of 17
CHEMISTRY
Total Marks: 20
SECTION – I
Q. No. 1. Encircle the correct answer from the following choices. (8)
‫ ۔‬ñ
1.
‫ اؤر اس‬ú : ‫ ا ب‬5 ‫اب‬
(a)Empirical Formula
(c)Molecular Formula
----------- -
:a
‫ر ﻻ‬
a ‫ا‬
‫ر ﻻ‬
The molecular mass of nitric acid
@ ‫> اد‬
h ‫دا‬
ñ ‫ؤ‬
‫ر ﻻ‬
‫ا‬
‫۔‬1
‫ر‬
‫ل‬
(HNO3) is -----------------------.
------------ ‫س‬
(b)63 amu
(c)93 amu
(d)60 amu
5
‫ک ا‬a
(HNO3)
‫۔‬2
ñ
‫ذ‬ê ‫ر‬
‫۔‬3
‫ا‬5
‫ر‬
Which one of the following molecule having double covalent bond?
‫؟‬
‫@ؤ‬
(a)O2
(b)Cl2
(c)He
(d)N2
‫ ڈ‬ñ‫ل‬
The reverse process of evaporation is called -----------------------.
- ñ
--------
@‫ا‬
‫۔‬4
‫ ن‬8 (b)Evaporation
(a)Condensation
‫ر‬
@‫ا‬
a :a ‫ؤ‬
(d)Vapour pressure
(c)Sublimation
5.
‫ درج ذ‬81 a ‫>وا‬
(b)Radical
(a)73amu
4.
ñ
(d)Mole
-
3.
‫در‬
The formula which shows the actual number of atoms in a compound is called ---------------------.
-
2.
‫ ہ‬:‫ د دا‬:
Hydrogen adsorbed on palladium is a type of ----------------- solution.
‫ل ا‬
ñ ‫وس‬
(a)Gas in solid
(c)Liquid in gas
Modal Paper
>
ñ
--------------
‫رؤ‬
‫ب ہ‬
: ‫ڈ‬
‫۔‬5
(b)Solid in gas
‫وس‬
ñ
(d)Solid in liquid
‫وس‬
ñ >
Punjab Education Foundation – Academic Development Unit (PEF-ADU-QAT)
Page 15 of 17
6th and 7th period of the periodic table called -------------------------
6.
-
------------- a ‫اؤر @ ا ں‬
(a)Long period
a
(b)Short period
(c)Normal period
a
7.
‫ر‬
5
‫ ڈک‬a
‫۔‬6
a ‫رٹ‬
a
(d)Very longest period
‫ ی‬:‫ؤ‬
Which one of the following isotope is used for the treatment of skin cancer?
-
‫ل‬
‫ا‬
‫ج‬
@
‫آ و@ پ‬
a
ñ
‫ذ‬ê ‫ر‬
‫۔‬7
(a)Strontium-90(Sr-90)
90-
‫ ا‬a8 (b)Iodine -131
131 - ú ‫آ ڈ‬
(c)Americium-241
241-
a ‫( ا‬d)Barium -139
139- a
8.
The electronic configuration of nitrogen (7N) is---------------------.
2
1
(a)1S ,2S ,3P
4
-
--------------2
2
1
‫ر‬
(b)1S ,2S ,2P ,3S
(c)1S2,2S2,2P3
‫ؤ‬a ‫ا‬
2
‫ ؤ‬a (7N)
‫۔‬8
(d)1S2,2S2,2P5
SECTION – II
Q.No.2. Answer the following short questions.
(6x2=12)
‫ ۔‬ú ‫ ا ب د‬a:
(1)
‫ل‬
‫ا‬a
ú:
(5)
(6)
h>
ê 65 a
h
(1)
ñ
5 6‫ر ا‬
(2)
Explain the trend of electronegativity in the groups of the periodic table.
- ú : ‫ ن‬6‫ ر ن‬5
(4)
‫ ۔‬2 a ‫>و ا ل‬
How is the goiter in thyroid gland detected?
‫؟‬
(3)
‫ذ‬ê ‫ر‬
Define the term homogeneous mixture also gives its one example.
- ú‫د‬
(2)
‫>و ا ﻻ ث‬
‫ؤ‬a ‫ا‬
ñ
‫ؤ‬:
‫ ڈک‬a
(3)
‫رؤ‬
(4)
Define the term hydrogen bonding.
- ú:
h>
‫؟‬
8‫ا@ ل‬
What is the general principal of solubility?
5
6 ‫( >و‬5)
What is the effect of change of shapes of molecules on the diffusion of liquids?
‫؟‬
Modal Paper
:‫ ا‬8 5
6 ñ ‫ل‬
‫ ا‬a
:‫ژن‬
‫ڈ‬
‫> ث‬
(6)
Punjab Education Foundation – Academic Development Unit (PEF-ADU-QAT)
Page 16 of 17
COMPUTER SCIENCE
Total Marks: 20
SECTION – I
Q. No. 1. Encircle the correct answer from the following choices. (8)
‫ ۔‬ñ
1.
‫ ہ‬:‫ د دا‬:
‫ اؤر اس‬ú : ‫ ا ب‬5 ‫اب‬
rm using digitial circutsWhich computer process data in numercial fo:
‫ ۔‬ñ
:
‫ ؤ‬: @ 6‫ ڈ‬ñ ‫@ ر ث‬
‫ا اد‬
:‫ل‬
‫@ ا‬
Analog Computer (a
:
‫ ﻻ گ‬6‫ ا‬Digital Computer (b
c) Hybird Computer
:
‫ڈ‬:
2.
‫در‬
a8
c) Central Processing Unit
9‫ڈ‬
:
Mini Computer (d
6 @‫ ام‬:‫ ؤ‬:‫ؤل‬a
6@
5
@
-2
6 @ ‫ ا م‬:‫ ؤ‬: ‫ ل‬a
b) Central Program Unit
‫ ؤ‬:‫ل‬a
6@
d) Control Processing Unit
‫ ؤ‬: ‫ؤل‬a
Which of following chips must be refreshed with electric charge periodically?
‫؟‬
c) EEPROM
h ‫ری‬
8
‫ر‬
a) SRAM
‫د‬
‫ ک رج‬a ‫ا‬
@
ê ‫ؤ‬ê ‫@ ؤ‬
‫ا ی ای ر ؤ م‬
.3
‫رؤم‬
‫ ا‬b) ROM
‫ڈیر‬
d) DRAM
The storage capacity of CD-R is:
‫۔‬
a) 700 MB
b) 700 KB
c) 700 Bytes
d) 700 GB
5.
‫۔‬1
‫@ن‬
CPU stands for:
a) Control Program Unit
4.
9‫ ڈ‬:
:
‫؟‬
3.
‫ درج ذ‬81 a ‫>وا‬
ñ
:‫ ہ‬a ‫ذ‬
CD-R
.4
x is equivalent to:
:‫ ا‬:
a) x
b) x
c) 1
d) 0
Modal Paper
x
.5
Punjab Education Foundation – Academic Development Unit (PEF-ADU-QAT)
Page 17 of 17
6.
Unicode coding scheme is .......... coding scheme bit.
‫@ڈ‬
a)8
b) 64
c) 16
d)32
7.
2nd Complement of
0101010 2
6‫۔۔۔۔۔‬
@
-6
?
‫=؟‬
a) 1010110
b) 1010101
c) 0000011
d) 1010011
8.
‫@ ڈ@ ڈ‬
‫ دؤ‬5
0101010 2
.7
The AND operator of Boolean algebra is denoted by:
8a
@ a : ‫آ‬AND ñ ‫ا‬a ‫ ا‬ñ @ .8
+
a) .(dot)
b)
c) bar sign( - )
d) *
SECTION – II
Q.No.2. Answer the following short questions.
(6x2=12)
‫ ۔‬ú ‫ ا ب د‬a:
(1)
‫ق‬h 8 ñ
‫ؤ رث ں‬a:
‫ؤں‬h
† 8a ‫ا‬
6
‫ا ر‬
(1)
(2)
a
‫د‬
ã ‫ ؤ‬: (3)
What is purpose of language translators?
‫؟‬
85‫ز‬a
‫ ا‬:9
(4)
What is function of Arithmetic and Logic unit?
‫ ے۔‬: ‫ ن‬6
(6)
6‫ا ؤ ر ڈ‬
‫ @ ر‬:
x. y + x .y êC ú :
(5)
‫ ۔‬2 a ‫>و ا ل‬
Why Air conditioner is needed for first generation computer?
‫؟‬
(4)
‫ذ‬ê ‫ر‬
What is difference between address and data bus?
‫؟‬
(2)
‫>و ا ﻻ ث‬
Solve the following
10111110 2
6@
‫اؤرﻻ‬
‫( ا ر‬5)
01011101 2
‫ ۔‬ú:
Modal Paper
5
@ 10111110  2
01011101  2
(6)
Punjab Education Foundation – Academic Development Unit (PEF-ADU-QAT)