GENIUS CLASSESAbove Bank of India, Pankaj Market

Saraiyaganj, Muzaffarpur, Bihar (India), PIN 842001Contact # 7635091378, 7635091387, 7635091396

Website: geniusclass.in; Email : geniusclassesmuzaffarpur@gmail.com

-:Important Instructions to Candidates:-1. The Test Booklet consists of questions. The maximum marks are 200

4. There are section in the question paper A, B, C consisting of Physics, Chemistry Maths and Biology.5. There is only one correct response for each question. Filling up more than one response in each question will be treated as wrong response and marks for wrong response will be deducted accordingly as per instruction 1 above.6. Answers have to be marked on the OMR sheet.7. The Question Paper contains blank spaces for your rough work. No additional sheets will be provided for rough work.8. Before attempting paper write your Name and Test Centre in the space provided at the top of this sheet.

Name of Candidate :Name of Test Centre :

50

four

2. 1(one) mark will be deducted for indicating incorrect response of each question.3. The test is of 2 hours duration. Each question carry 4 marks.

(+4/-1)

& D

CLASS-IX

(PHYSICS)Section-A

1. A particle starts from rest. Its acceleration (a) versus time (t) is as shown in the figure.The maximum speed of the particle will be

time11

acceleration

10

(a) 110 m/s (b) 55 m/s (c) 550 m/s (d) 660 m/s2. A particle starts from rest and has an acceleration of 2 m/s2 for 10s . After that, it travels

for 30 sec with constant speed and then undergoes a retardation of 4 m/s2 and comesback to rest. The total distance covered by the particle is(a) 650 m (b) 750 m (c) 700 m (d) 800 m

3. Two forces F1 =20 N and F2 =30 N are acting on an object as shown in figure.

F2 = 30 N F1 = 20 N

What is the net force acting on the object ?(a) 50 N (b) 10 N (c) 40 N (d) 25 N.

4. A mass of 100 g strikes the wall with speed 5 m s-1 at an angle as shown in figure and itrebounds with the same speed. If the contact time is 2 × 10 -3 sec, what is the forceapplied by the wall ?

(a) 250 3 N to right (b) 250 N to right

(c) 250 3 N to left (d) 250 N to left

60°

60°

100 g

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GENIUS CLASSES, Above Bank of India, Pankaj Market, Muzaffarpur-842001

5. Which is velocity - time graph of a moving particle on which net external force is zero?

(a) (b)

(c) (d)

6. In a rocket, fuel burns at the rate of 1 km s-1 . This fuel is ejected from the rocket with avelocity of 60 km s-1. This exerts a force on the rocket equal to(a) 6000 N (b) 60000 N (c) 60 N (d) 600 N

7. If me is the mass of a body on the surface of the earth and mm is the mass of the samebody on the moon then(a) 6e mm m (b) e mm m (c) e mm m (d) e mm m

8. According to kepler’s law the relationship between T (time period of revolution of aplanet ) and r (the semi-major axis of ellipse) is(a) 2T α r (b) 2T α r2 (c) 2 -3T α r (d) 3/2T α r

A body falling from a height of 10 m rebounds from a hard floor. It loses 20 % of energy

in the impact. What is the height to which it would rise after the impact ?

(a) 7 m (b) 5 m (c) 8 m (d) 6 m

10. An object is 11 km below sea level. A research vessel sends down a sonar signal to

confirm this depth. After how long can it expect to get the echo ? (Take the speed of

sound in sea water as 1,520 ms-1

.)

(a) 15.30 s (b) 14.47 s (c) 12.20 s (d) 11.13 s

9.

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GENIUS CLASSES, Above Bank of India, Pankaj Market, Muzaffarpur-842001

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GENIUS CLASSES, Above Bank of India, Pankaj Market, Muzaffarpur-842001

(CHEMISTRY)Section-B

11. Match the terms and their definitions. Terms Definitions

A. Matter 1. Anything made up of molecules and atoms B. Amorphous 2. Solid with random arrangement of particles C. Plasma 3. Solid with a particular geometrical arrangement of

particles D. Crystalline 4. Charged particles

(a) A-1, B-2,C-4,D-3 (b) A-1, B-3, C-4,D-2 (c) A-4, B-3,C-1, D-2 (d) A-2,B-3,C-4,D-1

12. A gas jar filled with bromine gas (denser than air) was placed over a gas jar containing air. The

gases were allowed to settle for four hours. What do we observe? (a) Bromine remains on the top (b) Bromine settles at the bottom (c) Bromine gets diffused in the air (d) Bromine starts moving towards the bottom 13. If 1 mol of water has 20 drops and NA is Avogadro’s number, number of water molecules in the

drop of water is

(a) A0.5 N18

(b) A0.5 N (c) A0.5 N (d) A0.05 N18

14. The volume of gas at 0°C and 700 mm Hg pressure is 760 cc (cubic centimeter or cm3). The number of molecules present in this volume are:

(a) 221.93 10 (b) 236.023 10 (c) 2318.8 10 (d) 2218.8 10

15. Which of the following have maximum number of molecules ? (a) 15 litre of H2 gas at S.T.P (b) 5 litre of H2 gas at S.T.P (c) 0.5 g of H2 gas (d) 10 g of O2 gas

16. What is the molecular formula for a compound that is 46.16 % carbon, 5.16 % hydrogen and 48.68 % fluorine if the molar mass of this compound is 156.12 g ?

(a) 3 4 2C H F (b) 5 10 5C H F (c) 6 8 4C H F (d) 6 6 3C H F 17. Which one of the following sets of ions represents a collection of isoelectronic species? (a) 3 2 2N ,O ,F ,S (b) + + 2+ 2+LI ,Na Mg ,Ca

(c) 2 3K ,Cl ,Ca ,Sc (d) 2 2 2Br ,Sr ,K ,Ca 18. An element X has atomic number 9 and mass number 19. Its anion is represented by (a) X2- (b) X- (c) X2+ (d) X+ 19. The largest number of molecules is in (a) 36 g of water (b) 28 g of carbon monoxide

(c) 46 g of ethyl alcohol (d) 54 g of nitrogen pentoxide 20. A 10 g sample of 2 4Na SO was dissolved in sufficient water to make 500ml of solution. What are

the molarities of [Na+] and [ 24SO ] in the solution ?

(a) 240.28 , 0.28Na M SO M (b) 2

40.14 , 0.14Na M SO M

(c) 240.28 , 0.14Na M SO M (d) 2

40.33 , 0.16Na M SO M

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GENIUS CLASSES, Above Bank of India, Pankaj Market, Muzaffarpur-842001

(MATHEMATICS)Section-C

21. If 21 9a

a

, then 33

1aa

equals

(a) 10 3

3(b) 3 3 (c) 18 (d) 7 7

22. The value of 1 1 1 1................................

1 2 2 3 3 4 99 100

is

(a) Less than 99

100 (b) Equal to 99

100

(c) Greater than 10099 (d) Equal to

10099

23. If 0a b c c , then 3 3 3a b c (a) abc (b) 3abc (c) 2abc (d) -3abc

24. P is the point (-5, 3) and Q is the point (-5,m). If sum of abscissas and ordinates of both pointsis equal then the possible value of m is(a) -5 (b) -13 (c) -10 (d) 3

25. The geometric representation of x = -2 meets the x - axis at(a) (2, 0) (b) (-2, 0) (c) (0, 2) (d) (0,-2 )

26. Which one of the following statement is not false ?(a) If two angles forming a linear pair, then each of these angle is of measure 90°(b) Angles forming a linear pair can both be acute angles.(c) Both of the angles forming a linear pair can be obtuse angles.(d) Bisectors of the adjacent angles forming a linear pair form a right angle.

27. In the given figure, x and y are(a) x = 70°, y = 37°(b) x = 37°, y = 70°(c) x + y = 117°(d) x - y = 100°

28. The angles of a quadrilateral are x°,(x - 10)°, (x + 30)° and (2x)°, the smallest angle is equalto(a) 68° (b) 52° (c) 58° (d) 47°

29. The length and breadth of a rectangle are in the ratio 4 : 3. If the diagonal measures 25 cm, thenthe perimeter of the rectangle is(a) 58 cm (b) 60 cm (c) 70 cm (d) 80 cm

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GENIUS CLASSES, Above Bank of India, Pankaj Market, Muzaffarpur-842001

30. Which of the following figures lie on the same base and between the same paralles ?

(a) (b)

(c) (d) Both (a) and (c)

31. In the given figure, AEDF is a cyclic quadrilateral. The values of x and y respectively are

(a) 79°, 47°(b) 89°, 37°(c) 89°, 47°(d) 79°, 37°

32. In the given figure, chord RS = chord NS. How RS is related with NS ?

(a) RS is smaller than NS(b) both are equal

(c) RS is greater than NS(d) none of these

33. If each side of the rhombus is 40m and its longer diagonal is 48m, then the area of rhombus is(a) 1536 m2 (b) 1636 m2 (c) 1236 m2 (d) 1336 m2

34. The length of longest rod that can be placed in a room 20 m long, 16m broad and 12 m high, is(a) 20 m (b) 16.4 m (c) 48 m (d) 28.2 m

35. If x is the mean of 1 2 3, , ,............, nx x x x , then 1

( )n

ii

x x

(a) 2325 (b) 0 (c)

2825 (d)

45

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GENIUS CLASSES, Above Bank of India, Pankaj Market, Muzaffarpur-842001

(BIOLOGY)Section-D

36. The entire body surface and cavities inside the body are lined by (a) muscle tissue (b) epithelial tissue (c) connective tissue (d) nervous tissue 37. The tissue that attaches muscles to the bones is (a) cartilage (b) tendon (c) ligament (d) blood 38. Five kingdom classification was proposed by (a) Linnaeus (b) Whittaker (c) john Ray (d) Lamarck 39. The most primitive vascular plants are (a) bryophytes (b) pteridophytes (c) Gymnosperms (d) angiosperms 40. The basic unit of classification is (a) Variety (b) species (c) genus (d) family 41. The mode of nutrition in all fungi is characteristically (a) Symbiotic (b) autotrophic (c) holozoic (d) saprotrophic 42. Choanocytes are unique to (a) Protozoa (b) Porifera (c) Mollusca (d) Echinodermata 43. Cnidaria is characterized by (a) nematoblasts (b) coelenteron

(c) tissue level of organisation (d) all of the above 44. In Platyhelminthes , the excretory organs are (a) nephridia (b) malpighian tubules

(c) flame cells (solenocytes) (d) green glands 45. A carrier is a human being that (a) functions as a reservoir of infection (b) possesses pathogen but is not harmed (c) contains antibodies sufficient enough to balance the antigen (d) all of the above 46. Droplet infection is a mode of (a) direct transmission (b) indirect transmission (c) pathogen spread through mosquitoes (d) tomite transmission 47. Pathogens are destroyed by (a) kidneys (b) liver

(c) tonsils (d) lymphatic tissues 48. A person has developed interferon in his body. He seems to carry infection of (a) Tetanus (b) Malaria (c) Measles (d) Typhoid 49. Antibodies are. (a) lipids (b) genes (c) proteins (d) carbohydrates 50. Head quarter of world Health Organisation (WHO) is located at (a) New York (b) Geneva (c) London (d) Paris

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GENIUS CLASSES, Above Bank of India, Pankaj Market, Muzaffarpur-842001