1. Circle the correct answer. ( 6 x1=6 ) ۔ ہد دااب در- 1 1 Which of the following relation is corrects? ؟ در درج ذ(A) F = m-a (B) F = ma (C) (D) 1 2 Complete the equation: : وات(A) F (B) S (C) T (D) m 2 3 One newton __ is equal. ۔ ا ____ ا(A) (B) (C) (D) 3 4 If a wooden black of mass 1.5 kg is pushed along a smooth surface of a table with a force of 5.6 N, the acceleration of the black is: اوارىسام 1.5 ا ا۔ ا اسرس د(A) (B) (C) (D) 4 5 The temperature of machines is very high ھں(A) ورسDue to force (B) و وDue to velocity (C) وDue to friction (D) وDue to speed 5 6 How much centripetal force is needed to make a body of mass 0.5 kg to move in a circle of radius 50cm with speed ے دار50cm سام 0.5 ؟ررس درى(A) 30N (B) 15N (C) 12N (D) 9N 6 2- Answer any 6 short questions. ( 6 x2=12 ) . تاتا6 - 2 (i) How much force is needed to prevent a body of mass 10 kg from falling? ررس در رو اام 10 ؟(i) (ii) A body of mass 2 kg is moving with a velocity of . Find its momentum. ر و 2 س واام 2 ا۔م۔ اس(ii) (iii) Prove that: ۔(iii) (iv) Find the acceleration that is produced by 20 N force in a mass of 8 kg. ۔ ررس 20 اسام 8 ۔م ا واا اس(iv) (v) Why weight of a body different on different places? ؟ںں وزن(v) (vi) Stretch out your palm and hold a book on it which is action? ؟ ا اسب ر اور اس ا(vi) (vii) What is meant by action on a body? ؟اد ا ا(vii) (viii) What is meant by friction? ؟اد (viii) (ix) Why is it easy to roll a cylindrical eraser on a paper sheet than to slide it? رر ا ا؟نں آ رول(ix) 3- Answer any 6 short questions. ( 6 x2=12 ) . تاتا6 - 3 (i) Define Newton's second law of motion. ۔نے دو(i) (ii) State the principle of motion of Rocket. ۔نل ا را(ii) (iii) Calculate the value of force acting on a body of mass 16 Kg and produces acceleration of in it. ام وا 16 ماررس؟ ا ا(iii) (iv) What is meant by Reaction of a body? ؟اد رى ا ا(iv) (v) Define Recoil velocity. ۔ وا ر(v) (vi) Write the working principle of Jet engine. ۔ل ام ا(vi) (vii) What is meant by co-efficient of friction? ؟اد آف ا(vii) (viii) What is of threading on tyres? ؟ہ وں (viii) (ix) Which factors are depends upon the centripetal force? ۔ار ارسى(ix) www.notespk.com : [email protected]Name: Roll#: Class: CLASS-9 Subject: Physics-9 Date: Time: Questions Type Type 3 - MCQs+SQs Test (MCQs=6, SQs=12/18) Total=30 Test Syllabus: Unit-3,
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1. Circle the correct answer. (6x1=6) ہ ��۔��1- در�� �اب � �د دا�
1 Which of the following relation is corrects? � � � در�� �؟�
درج ذ� � � �� (A) F = m-a(B) F = ma(C) F =
ma
(D) F =am
1
2 Complete the equation: −Pf Pi
t �وات � �: −Pf Pi
t
(A) F(B) S(C) T(D) m
2
3 One newton __ is equal. � �۔ �ا�� ا�� �� ____ � �� (A) 1 kgms−2(B) 1 kg−1s−1(C) 1 kgms(D) 1 kg sm−1
3
4 If a wooden black of mass 1.5 kg is pushed along asmooth surface of a table with a force of 5.6 N, theacceleration of the black is:
3- Answer any 6 short questions. (6x2=12) .� 3- �� � 6 �ا�ت � � �ا���ت(i) Define Newton's second law of motion. �� � دو�ے ��ن �� � �� �۔ (i)(ii) State the principle of motion of Rocket. را� � �� � ا�ل �ن ��۔ (ii)(iii) Calculate the value of force acting on a body of mass
(iv) What is meant by Reaction of a body? ا�� � � رى ا� � � �اد �؟ (iv)(v) Define Recoil velocity. ر�ا� و�� � �� ��۔ (v)(vi) Write the working principle of Jet engine. � ا� � �م �� � ا�ل �۔ � �� (vi)(vii) What is meant by co-efficient of friction? �� � � �اد �؟
�� آف � � � � ا� �� (vii)
(viii) What is of threading on tyres? ��� � ���ہ �؟ � �وں � ������ �� (viii)
(ix) Which factors are depends upon the centripetal force? � �۔ �رس � ا�ر � �ا� � ���� � �ى �� (ix)
5 The co-efficient of friction between wood and concreteis:
� �۔ ��� ���
� آف � � � � � در�ن �ا� �� �ى اور ���
(A) 0.52(B) 0.62(C) 0.8(D) 0.05
5
6 The centripetal acceleration is inversely proportional to: :� � ��� � �
������� ا�ر� �و�ر� ا�� � �ى ��
(A)� س� mass(B)� و�� velocity(C)��� �� �radius(D) ر�� � mass and radius �س اورر��6
7 If velocity of the body becomes double, then centripetalforce will be:
�رس � �۔� � � ز���دہ �� � �ى ��
�� � � و�� دو �
(A)ف� Half(B)ز���دہ ��� � Three times greater(C)�
�� ز���دہDouble(D) دو �
�Four times greater �ر �
7
2- Answer the short questions. (7x2=14) .� 2- درج ذ� �ا�ت � � �ا���ت(i) Why the coins remain stacked on pulling out the paper
strip quickly under the stack?�� � � � �ى � � � دوران ا�� دو�ے � ر� �� �
�ں � ��؟(i)
(ii) State Newton's first law of motion. �� � � ��ن �� �ن �۔ (ii)(iii) Define Newton. �� � �� ��۔ (iii)(iv) Find the acceleration produced by a force of 100 N in a
mass of 50 Kg.������� N � �رس � �ر� � اُ�� ا� ا�� 50 � �ام �س � 100
�م ��۔(iv)
(v) Define Newton's 3rd law of motion. Give an example. �� � �ا ��ن �� �ن ��۔ ا�� �ل � د�۔ (v)(vi) When driver applies brakes suddenly then why the
passengers standing in a bus fall forward? Explain.� آ� �
�� �۔ � �ے �� �� ��� ��� � � � ڈرا�ر ا��� �� ��
�ف �ں �� � �؟ و��� ��۔(vi)
(vii) The wheels of a moving vehicles have how manyvelocity components? Write name.
�م � �� �؟�� � ��
ا�� � �� �ڑى � �ں � و�� � � ���
(vii)
Note : Attempt the question in detail. �ٹ: درج ذ� �ال � � �اب �. (9=4+5)3(a) Define rate of change of momentum and also drive its
equation.� �۔
� �� � �� � �ح � �� � اور �وات � ا�
� ������� (a)3
(b) Two masses 26 kg and 24 kg are attached to the endsof a string which passes over a frictionless pulley. 26 kgis lying over a smooth horizontal table 24 N mass ismoving vertically downward. Find the tension in thestring and the accelertion in the bodies.
5 Electronegativity of carbon is: �� � �� �۔� ������
�ر� � ا�و�� (A) 2(B) 1(C) 2.6(D) 4
5
6 Electronegativity of fluorine is: �� � �� �۔� ������
�ر� � ا�و�� (A) 4(B) 3.5(C) 2.1(D) 3
6
2- Answer any 6 short questions. (6x2=12) .� 2- �� � 6 �ا�ت � � �ا���ت(i) In 1913 what changes was done in periodic table. 1913ء � ����ڈك � � � ��ں � �۔ (i)(ii) How many gropus and periods are there in modern
periodictable.� �۔ � � ����ڈك � � � �و� اور ��� ��� �� (ii)
(iii) What is meant by effective nuclear charge andshielding effect?
� � � �رج اور ��� � � �اد �؟��� (iii)
(iv) Why the value of electron affnity decrease in the group? � � �ار �ں � �� �؟� �وپ � ا�ون ا������ (iv)
(v) Why size of atom decrease in a period? � �؟ � � �ں ���� �� � ا� � �� � ا�� � ��� (v)
(vii) Why ionization energy decreases in a group from top tobuttom?
�� ا�� �ں � �� �؟� ��� � �وپ � او� � � آ��� (vii)
(viii) Define Electron Affinity and write the trend in periodictable.
� � �� � اور �وپ � اس � ر�ن ������۔� ا�ان ا������ (viii)
(ix) Why noble gases are not reactive? �ن رى ا� �ں �� �؟ �� � ��� (ix)3- Answer any 6 short questions. (6x2=12) .� 3- �� � 6 �ا�ت � � �ا���ت
(i) When periodic law was discovered and what is periodictable?
����ڈك �ء � در���� �ا اور ����ڈك � � �؟ (i)
(ii) What was the defects in mendeleev's periodic table? �� � ����ڈك � � � �� �۔ (ii)(iii) What is electron affinity? Also write its trend in period. � � اس � ر�ن � ������۔ � � � � �اد �؟ ���
� �� ا�ون ا�� (iii)(iv) Why is it difficult to remove an electron from halogens? � � � � ا�ون � �� � �ں �؟ (iv)(v) Why does the trend of electron affinity and
electronegativity is same in a period?���� � ر�ن ا�� � �ں �؟ �
������ اور ا�و ��
� � � ا�ون ا������ � ��� (v)
(vi) Why cesium requires little energy to release its electronpresent in outer most shell.
� � � � ا�� ا�ون �رج �� � ����� �� � ا� و�
�ں � �ڑى ا�� � �ورت �� �؟(vi)
(vii) Define Atomic Radius. �� � �� �۔ � �� ر�� ا�� (vii)(viii) Why atomic size increase from top to bottom in the
O Circle the correct answer. (15x1=15) ہ ��۔��O در�� �اب � �د دا�
1 Correct atomic masses of element were determin in: �� ��۔ ������� � �� �� � � � ا��
������ ��� ا�
(A) 1760(B) 1860(C) 1555(D) 19551
2 Who is the founder of periodic table: ����ڈك � � ���� �ن �؟ (A)ا�� � زاروDobereiner(B)�� Newland(C) ڈو��
� �� �� Cannizarro(D)�� Mendeleev2
3 Modern periodic law was presented by: � ����ڈك �ء � �۔ ��� �� (A)ا�� H.Moseley ا� �ز�Dobereiner(B)�� Newland(C)�� Mendleev(D) ڈو ��
3
4 Long form of periodic table is constructed on the basisof:
��� �رم آف ����ڈك � � �د �۔
(A)� س� Mass Number(B)� �� �� �سAtomic Number(C) ا�� Atomic Mass ا��
(D)ا�ل � �� Principle of Mendleev
4
5 How many blocks are in modern periodic table? � ����ڈك � � � �� ��د �؟ ��� �� (A) 3(B) 4(C) 5(D) 6
5
6 Actinides belong to which block of the Periodic table: ������� ����ڈك � � � �ك � � ر� �؟���� ا�
(A) S(B) p(C) d(D) f6
7 Modern periodic table consists of: �ڈرن ����ڈك � � �: (A)�� دو Two Blocks(B)�� � Three Blocks(C)�� ر� Four Blocks(D)�� ���� Five Blocks
7
8 The base of modern periodic table is: � ����ڈك � � �د �: ��� �� (A)� س� Mass number(B)ا��رو� Avogadro's number(C)� �� Atomic number ا��
(D)� � �Quantum number �ا�
8
9 In periodic table, the first period is called: � �۔ ��� � � ����ڈك � � � ��� (A)� � ��� ��� Long period(B)� � �ر� ��� �� Normal Period(C)� � �رٹ ���
�� Short period
(D)� � �ى ��� ��� Very log period و��
9
10 In which block elements of group 17 are found: � � �ك � ���� �� �؟������ ��� �وپ 17 � ا�
(A) s(B) p(C) d(D) f10
11 The atomic Radii of the elements in periodic table: :�� � �� ر�� ����ڈك � � �� � ا��(A)دا� �� � ��۔ � ���� � � � Do not change from left to right in a period ا�� ���
(B)ا�� �وپ � او� � � � �� �۔ Decrease from top to bottom in a group
(C)۔� ��� � � ���� � دا� �� � Increase from left to right in a period ا�� ���
(D)۔� ��� Increase from top to bottom in a group ا�� �وپ � او� � � ��
11
12 Ionization Energy increase in period because: �� � ��� �� � � � �� ا�� ���� ��� آ���
(A)اد � ا��� � � Number of shells increases(B)� � اد� � � Number of Shell decreases
(C)� � اد� � �� �Number of Electrons decreases ا�و�
(D)در�ن � �� �� � � ��د ا�و�
���� � اور و�
�������
� � �ت � ا��
Force of attraction between valence shell electronsand nucleus increases
12
13 Point out the correct statement about electron affinity: ��� �۔ ��
� � � در�� �ن � �� ا�ان ا������
(A)� �� � � 3 �� � اس It is measured in 3
(B)� � �اب ������ �
It involves absorption of energy اس � ا�� � ا��
(C)� �� � � � � ��� � It decreases in period(D)� �� وپ � ز���دہ� � It increases in group
13
14 Which one of the following halogen has lowestelectronegativity:
(A)ے �ف�� �� Capital letter(B)ف� �� Small letter(C)ے �ف� Bold letter(D)ا� �ف Italic letter
6
2- Answer any 6 short questions. (6x2=12) .� 2- �� � 6 �ا�ت � � �ا���ت(i) How many kinds of plants and animals found on earth are
known by biologists?���� �� ز� � ���� �� وا� �دوں اور ��روں � � � ا�م �
���رے � �� �؟(i)
(ii) On the basis of which thing kingdoms are futher dividedinto smaller taxa?
� � � �د � �� �� � � � � � �۔��� (ii)
(iii) Write all the taxa of texonomic hierarchy in secquence? �� � �۔�� � �م � � �
���� � �م �ا� (iii)
(iv) Write down two aims of classification? � �۔ �� � دو �� ���� �� ������ ��� (iv)
(v) Write the important characteristics of kingdom plantae? � ��؟ �م �� � ا� ��ت ��� (v)(vi) Describe the effects of prions and viriods on plants? �ات ��؟
��ا�ز � �دوں � ا�
�� اور وا�
� ��ا�� (vi)
(vii) Why virus is considered as dead?
� �؟ ��� � �س � �ں � �ن ����وا� (vii)
(viii) Who first adopted the system of binomial momen culture? � �� � � � � ا�ر �؟������ ���� � � �� (viii)
(ix) What is Binomial Nomenclature? Who introduced it first? � �� � � �؟ ا� �� � � � � �رف �ا���؟������ ���� (ix)
3- Answer any 6 short questions. (6x2=12) .� 3- �� � 6 �ا�ت � � �ا���ت(i) Write difference between class and phylum. � ��۔ �ق ���
�� � ����
�س اور ��� (i)(ii) What is meant by "genus" in texonomic hierarchy? � � � � � �اد �؟
���� � �م �ا� (ii)
(iii) Give the name of family and class of pea plant. � � �دے � � اور �س ��۔ (iii)(iv) Write down simple classification of "Human" �� �ن �� ۔
� ��� �ن � �دہ �����
ا� (iv)(v) Write the mode of nutriation of the organisms of kingdom
monera?�م ��ا � ��اروں � �راك �� �� � �� ��؟ (v)
(vi) What kind of organisms are found in kingdom monera? �م ��ا � � �ح � ��ار ���� �� �؟ (vi)(vii) Which characteristics of virus resembles it with living
things?�س � ��ت � �ء � ��اروں � �� �؟
�وا� (vii)
(viii) What are the common names of onion in Pakistan? � �؟ ��ں � �را ��� �ز � ����ن � � �� (viii)(ix) How do we write scientific name? Give an example. �م � � �؟ ا�� �ل د�۔ �� �� � (ix)
3 Diversity of the plants is called? �دوں � ڈا�ر� �� �؟ (A)� ��� Fauna(B)را� Flora(C)�� Community(D)��� �
���� ���� Biosphere
3
4 The branch of biology which deals with classification iscalled:
�� � �� � وہ ���� �� ������ �خ � � ��اروں � ���
������� � وہ �
�؟ (A)��
� ��� ��� ��� Classification(B)���������
��� Systematics(C)��� Texonomy(D)م� Kingdom
4
5 Five kingdom system introduce by: ���� �م � �رف �وا���۔ (A)�
� ��ٹ و�Margulis and Schwartz(B) �ر�� ا� �ار� Ernest Hackel ار� �Robert whittaker(C) را��
(D)رٹ� �� Tonifort
5
6 The kingdom in which organisms lack nuclear membrane:
� �م � ��اروں � �� �� ��د � ��؟
(A)�� Fungi(B)ا� Algae(C)ا�� Monera
(D)� ��
Protista �و�
6
7 When did the Whittakers classfication system wasmodified?
�� ��؟�� � � � ��
� �� ������ و� � ���
(A)1937 (B)1988 (C)1973 (D)1983
7
2- Answer the following questions: (7x2=14) .� 2- درج ذ� �ا�ت � � �ا���ت(i) How we give scientific names to the organisms? �� �۔
��م � �ح د�� ��اروں � �� �� (i)
(ii) What is sequence taxonomic hierarchy in sequence?
�� � �؟�� � �
���� � �م �ا� (ii)
(iii) Write the name of first three texa of classification. �م �۔ �� � � � � � ��� �� ������ ��� (iii)
(iv) Write the name of the phylum of man and pea plant. �م �۔ �� � �����ن اور � � �دوں � ���
�ا� (iv)
(v) What is meant by Taxonomic Hierarchy? � � � �اد � ؟ �
��� � �م �ا� (v)(vi) What kind of organisms are found in kingdom monera? �م ��ا � � �ح � ��ار ���� �� �؟ (vi)(vii) What is meant by simple multicellular? �دہ � �� � � �اد �؟ (vii)
Note : Attempt the question in detail. �ٹ: درج ذ� �ال � � �اب �. (9=5+4)3(a) Describe general characteristics of five kingdom system
as proposed by Margulis and Schwartz.
� �دہ ���� �م � � ��ت � و���� ��� � �
� ��ر�� اور �ار�
�۔(a)3
(b) Describe the importance of Biodiversity. ����ڈا�ر� � ا� �ن �۔ (b)
1. Circle the correct answer. (6x1=6) ہ ��۔��1- در�� �اب � �د دا�
1 What will be the value of a loga6 = 0.5: a � 0.5 � � � � �؟َ = 6agol (A) 6(B) 6√(C) 36(D)� �� � � ان None of these
1
2 If ax = n then: :� � n = xa ا� (A) nxgol = a(B) angol = x(C) nagol = x(D) xngol = a
2
3 log e = ____ where e ≅ 2.718: 2.718 ≌ e � ____ = e gol (A) 0(B) 0.4343(C) ∞(D) 1
3
4 logmn can be written as: :�� � � � ____ � nm gol (A) n(mgol)(B) n gol m(C) mgol n(D) (nm)gol
4
5 logba × logcb can be written as ______: :� � � � � ____� bcgol × abgol (A) cagol(B) acgol(C) bagol(D) cbgol
5
6 If y = logzx then _____: :_____�� xzgol = y ا� (A) x = yz(B) z = yx(C) y = zx(D) x = zy
6
2- Write short answers to any 6 questions: (6x2=12) .� 2- �� � 6 �ا�ت � � �ا���ت(i) Express the number in ordinary notation. 9.018 × 10 −6 6−10 × �� � ������۔ 9.018
��م � (i)
(ii) Write in Scientific Notation: 416.9 416.9 :� � ���� �� (ii)
(iii) Find that value of x if: log3x = 4 4 = x3gol م ��۔� � � ‘x’ (iii)(iv) Find the value of 'a' loga6 = 0.5 0.5 = 6agol :�� م� � �'a' (iv)(v) Find the value without using the table
(v) Write in single logarithm. log 5 + log 6 − log 2 وا� ��ر� � � � ������۔ (v)(vi) Simplify by using logarithm table. 3
√25.47 �ول � �د � � ��۔ ��ر� �� (vi)
3- Answer any 4 short questions. (4x2=8) .� 3- �� � 4 �ا�ت � � �ا���ت(i) Find that value of x if: log3x = 4 4 = x3gol م ��۔� � � ‘x’ (i)(ii) Find the value without using the table
(ii) Describe the working of web browser. � �؟ � �ور � �م ��� ا�� و�� (ii)(iii) What is meant by file sharing? �� ��� � � �اد �؟ (iii)(iv) How a message is sent in data communication system? � �؟ ��� � � ����
���� � � ا��
� �� ������ڈ� � (iv)
(v) Explain payload and control information with example. � �ڈ اور �ول ا�ر� � �ل � و��� �۔ (v)(vi) Describe the function of transport layer? �رٹ � � � ا�ل �؟ (vi)
3. Answer any 4 short questions. (4x2=8) 3- درج ذ� �ا�ت � � 4 � � �ا���ت �۔(i) What are the main components of communication? ��ا/�� �ن � �؟ �� � �دى ا��
� �� ������� (i)
(ii) Define computer network. � ور� � �� �ن �۔ ��
� �� (ii)(iii) Give some examples of sharing of resources. ��� (و�� � ا�اك)� �� د�۔ (iii)(iv) What is meant by the transmission medium? �� �� � � �اد �؟
� �� �ا��� (iv)(v) What is meant by File Transfer Protocol? �� �ا� �و��ل � � �اد �؟ (v)(vi) Describe the working of routing in the internet. � � رؤ� � �� �ر �ن �۔ �
3 Actual content of a message is called: :�� ���� � ا� � �����
(A)رول � play roll(B)� ��
� � play sheet(C)ڈ� � playload(D)�ِ������ � play bill3
4 The medium can be a: :� � � �� (A)ر� �� � �� �� copper wire(B)� آ� �� fiber optic cable(C)و و�ز�� microwaves
(D)م� ABC ABC all
4
5 TCP stands for: :� �TCP
(A)ا�رٹ �ول �و��ل� Transport Control Penal(B)م �ول �و��ل� � Telecom Control Panel(C)
�� ��ول ��
� � �������� ���
��Transmission Control Protocol �ا� �ول �و��لTransmission Control Penal(D) �ا
5
6 Which one of the following is a layer of TCP/IP: �ر� ذ� � � TCP/IP � ا�� � �: (A)� ا�رٹ� Transport Layer(B)� ڈ� Data Layer(C)� � �
�Internet Layer ا��
(D)� ا�� Transfer Layer
6
2- Answer the following questions: (8x2=16) .� 2- درج ذ� �ا�ت � � �ا���ت(i) What are the main components of communication? ��ا/�� �ن � �؟ �� � �دى ا��
� �� ������� (i)
(ii) What is the difference between point-to-point andmultipoint connection?
�ق ��۔�
� �ا� اور � �ا� � � � ُ��ا� � (ii)
(iii) What is hardware sharing? �رڈو� ��� � �؟ (iii)(iv) By using which services we can store our files remotely? �؟
�دور دراز � �ورز � ا�ل �� �� � ا� ڈ� �ظ � � (iv)
(v) Give an example that explains the working of a client. �� � �م �� � �� �ر �ل � وا� �۔ (v)(vi) What is the use of communication system? �� � � � ا�ل �؟
� �� ������� (vi)
(vii) What is meant by the transmission medium? �� �� � � �اد �؟� �� �ا��� (vii)
(viii) State the working of a router. رو� � �م �� � �� �ن �۔ (viii)Note : Attempt the question in detail. (8x1=8) .� ٹ: درج ذ� �ال � � �اب�
1 What are the sizes of IPv4 and IPv6? Explain the methodto calculate the size of these both standards.