Free Printable IIT-JEE & NEET LEVEL-7 (9-T)

1.

A goalkeeper in a game of football pulls his hands backwards after holding the ball shot at the goal. This enables the goal keeper to

a)

exert larger force on the ball

b)

reduce the force exerted by the ball on hands

c)

increase the rate of change of momentum

d)

decrease the rate of change of momentum

2.

A passenger in a moving train tosses a coin which falls behind him. It means that motion of the train is

a)

accelerated

b)

uniform

c)

retarded

d)

along circular tracks

3.

An object of mass 2 kg is sliding with a constant velocity of 4 m s^–1 on a frictionless horizontal table. The force required to keep the object moving with the same velocity is

a)

32 N

b)

0 N

c)

10 N

d)

2 N

4.

A water tanker filled up to 2 / 3 of its height is moving with a uniform speed. On sudden application of the brake, the water in the tank would

a)

move backward

b)

move forward

c)

be unaffected

d)

rise upwards

5.

How much net force is required to accelerate a 1000 kg car at 4 m/s²?

a)

250 N

b)

4000 N

c)

0.004 N

d)

400 N

6.

If a net force of 5 N was constantly applied on 200 g object at rest, how long will it take to raise its velocity to 150 m/s?

a)

2 sec

b)

6 sec

c)

4 sec

d)

8 sec

7.

A sedan car of mass 200kg is moving with a certain velocity. It is brought to rest by the application of brakes, within a distance of 20m when the average resistance being offered to it is 500N.What was the velocity of the motor car?

a)

10 m/s

b)

20 m/s

c)

30 m/s

d)

0 m/s

8.

A driver accelerates his car first at the rate of 4 m/s² and then at the rate of 8 m/s². Calculate the ration of the forces exerted by the engines?

a)

4:1

b)

1:2

c)

2:1

d)

1:4

9.

Two objects of masses of 100 gm and 200 gm are moving in along the same line and direction with velocities of 2 ms^-1 and1 ms^-1 respectively. They collide and after collision, the first object moves at a velocity of 4 ms^-1. Determine the velocity of the second object?

a)

0 m/s

b)

0.5 m/s

c)

1 m/s

d)

2 m/s

10.

A bullet of mass 10 gm is fired with an initial velocity of 20 m/s from a rifle of mass 4 kg. Calculate the initial recoil velocity of the rifle?

a)

v = + 0.05 m/s

b)

v = - 0.05 m/s

c)

v = - 0.5 m/s

d)

v = + 0.5 m/s

11.

Velocity versus time graph of a ball of mass 100 g rolling on a concrete floor is shown below. Calculate the acceleration and the frictional force of the floor on the ball?

a)

a = - 10 m/s²

F = - 1 N

b)

a = - 1 m/s²

F = - 10 N

c)

a = + 10 m/s²

F = + 1 N

d)

a = + 10 m/s²

F = + 10 N

12.

A truck starts from rest and rolls down a hill with a constant acceleration. It travels a distance of 400 m in 20 s. Find its acceleration. Find the force acting on it if its mass is 6 metric tonnes (Hint: 1 metric tonne = 1000 kg).

a)

a = 1 m/s²

F = 12000 N

b)

a = 4 m/s²

F = 12000 N

c)

a = 1 m/s²

F = 10000 N

d)

a = 2 m/s²

F = 12000 N

13.

Two objects, each of mass 1.5 kg are moving in the same straight line but in opposite directions. The velocity of each object is 2.5 m s−1 before the collision during which they stick together. What will be the velocity of the combined object after collision?

a)

10 m/s

b)

20 m/s

c)

0 m/s

d)

40 m/s

14.

An object of mass 1 kg travelling in a straight line with a velocity of 10 m s⁻¹ collides with, and sticks to, a stationary wooden block of mass 5 kg. Then they both move off together in the same straight line. Calculate the total momentum just before the impact and just after the impact. Also, calculate the velocity of the combined object.

a)

Total momentum = 10 kg.m/s

Velocity of the combined object after collision = 5/3 m/s

b)

Total momentum = 20 kg.m/s

Velocity of the combined object after collision = 5/3 m/s

c)

Total momentum = 20 kg.m/s

Velocity of the combined object after collision = 3/5 m/s

d)

Total momentum = 10 kg.m/s

Velocity of the combined object after collision = 3/5 m/s

15.

What is a PUSH or PULL of an object?

a)

Motion

b)

Force

c)

Friction

d)

Gravity

16.

Why is it harder for the boy in Image B to get down the hill?

a)

Motion

b)

Friction

c)

Work

d)

Displacement

17.

Which force produces a change in motion?

a)

unbalanced force

b)

balanced force

c)

gravitational force

d)

frictional force

18.

If these boys are pulling with the same amount of force. What will happen?

a)

The boy in blue will win.

b)

They will not move at all.

c)

The boy in red will win.

d)

Both will fall down.

19.

When you tell the direction and speed of an object, you give its

a)

motion

b)

velocity

c)

acceleration

d)

mass

20.

If the edge of a cube is doubled how many times will its surface area will increase?

a)

4 times

b)

3 times

c)

2 times

d)

6 times

21.

The sum of lengths of all sides of plane figure is called its____

a)

Area

b)

Perimeter

c)

Boundary

d)

None of the above

22.

Fill in the blanks:
1 m² = ___________ cm²

a)

100

b)

10000

c)

1000

d)

500

23.

The perimeter of a regular pentagon is 100 cm. The length of each of its sides is _____________

a)

20 cm

b)

10 cm

c)

25 cm

d)

15 cm

24.

Total Surface Area of a Cuboid

a)

$T.S.A\ =\ 2\ \left(lb\ +bh\ +hl\right)$

b)

$T.S.A\ =\ 2\left(l\ +b\right)h$

c)

$T.S.A\ =\ 6a^2$

d)

$T.S.A\ =lbh$

25.

Curved Surface Area of a Cuboid

a)

$C.S.A\ =\ 2\ \left(lb\ +bh\ +hl\right)$

b)

$C.S.A\ =\ 2\left(l\ +b\right)h$

c)

$C.S.A\ =\ 6a^2$

d)

$C.S.A\ =lbh$

26.

Total Surface Area of a Cube is

a)

$6a^2$

b)

$4a^2$

c)

$a^3$

d)

$6a^3$

27.

Volume of a Cylinder is

a)

$2\pi r\left(r\ +h\right)$

b)

$2\pi rh$

c)

$\pi r^2h$

d)

$2\pi r^2h$

28.

Volume of a Cone is

a)

$\pi r\left(l\ +r\right)$

b)

$\pi rl$

c)

$\frac{1}{3}\pi r^2h$

d)

$\frac{1}{3}\pi r^2l$

29.

Total Surface Area of a Hemisphere is

a)

$\pi r^2$

b)

$2\pi r^2$

c)

$3\pi r^2$

d)

$4\pi r^2$

30.

Curved Surface Area of a Hemisphere is

a)

$\pi r^2$

b)

$2\pi r^2$

c)

$3\pi r^2$

d)

$4\pi r^2$

31.

Volume of a Hemisphere is

a)

$\frac{2}{3}\pi r^2$

b)

$\frac{2}{3}\pi r^3$

c)

$\frac{4}{3}\pi r^2$

d)

$\frac{4}{3}\pi r^3$

32.

Surface Area of a sphere is

a)

$\pi r^2$

b)

$2\pi r^2$

c)

$3\pi r^2$

d)

$4\pi r^2$

33.

What is the formula used to find the volume of a rectangular prism?

a)

V = Lw

b)

V = Lwh

c)

V = 1/2bh

d)

V = 2∏r

34.

Nisha sees a 2-D shape. That shape has 4 equal sides. What is the shapes?

a)

rectangle

b)

square

c)

triangle

d)

circle

35.

This 3-D shape with 8 straight edges is a ___________

a)

cuboid

b)

cube

c)

pyramid

d)

cylinder

36.

Which of the following has a curved surface?

a)

bottle

b)

box

c)

book

d)

ruler

37.

How many circles does a cylindrical tin have?

a)

3

b)

2

c)

1

d)

0

38.

What is the formula used to find the volume of a rectangular prism?

a)

V = Lw

b)

V = Lwh

c)

V = 1/2bh

d)

V = 2∏r

39.

How do you find the volume of a sphere?

a)

V= ^1/₃πr²h

b)

V= ^4/₃πr²h

c)

V= ^4/₃πr³

d)

V= πr²h

40.

A cone has a height of 30 in. and a diameter of 20 in. What is the approximate volume of the cone?

a)

600 in³

b)

1,885 in³

c)

3,140 in³

d)

12,566 in³

41.

What is a rational number ?

a)

A rational number is a number that cannot be written as a fraction.

b)

A rational number is a number that can be written as a ratio.

c)

A rational number cannot be a repeating decimal.

42.

What is a surd?

a)

A person

b)

A number

c)

A fraction

d)

A planet

43.

Simplify as much as possible:
√20

a)

4

b)

5√4

c)

4√5

d)

2√5

44.

Simplify as much as possible:
3√8

a)

6√2

b)

√72

c)

12√2

d)

6√4

45.

Write the following entirely as a surd:
5√7

a)

√175

b)

√35

c)

√245

d)

√1225

46.

Write the following entirely as a surd:
2√5

a)

√20

b)

√10

c)

√50

d)

√100

47.

Simplify fully:
√32

a)

4√8

b)

16√2

c)

4√2

d)

4√4

48.

Which of the following is irrational / non-rational number?

a)

2.5846231...

b)

$\frac{1}{3}$

c)

45.656565...

d)

$\sqrt{9}$

49.

The following are rational numbers except

a)

2.30

b)

$\sqrt{2}$

c)

$\sqrt{25}$

d)

$\frac{2}{5}$

50.

$\sqrt{3}\times\sqrt{4}$ =

a)

$\sqrt{3\times4}$

b)

$\sqrt{3+4}$

c)

$3\times4$

d)

$\sqrt{7}$

51.

$\sqrt{6}\times\sqrt{6}\ \ne$

a)

$\sqrt{36}$

b)

$6$

c)

$\left(\sqrt{6}\right)^2$

d)

$6\sqrt{6}$

52.

$\frac{\sqrt{5}}{\sqrt{7}}=$

a)

$\frac{5}{7}$

b)

$\sqrt{\frac{5}{7}}$

c)

$\sqrt{5}-\sqrt{7}$

d)

$\left(\frac{5}{7}\right)^2$

53.

The following are considered as Surds except

a)

$\sqrt{32}$

b)

$\sqrt{81}$

c)

$3\sqrt{5}$

d)

$\frac{1}{\sqrt{6}}$

54.

The conjugate surd of $\left(3-\sqrt{2}\right)$ is

a)

$\sqrt{2}-3$

b)

$\sqrt{3}-\sqrt{2}$

c)

$3+\sqrt{2}$

d)

$\sqrt{3}-2$

55.

Reduce the following radicals: $8\sqrt{84}\ -\ 5\sqrt{84}$

a)

$3\sqrt{21}$

b)

$2\sqrt{21}$

c)

$6\sqrt{21}$

d)

$5\sqrt{21}$

56.

Simplify $\sqrt{5}\times\sqrt{3}$

a)

15

b)

$\sqrt{15}$

c)

$5\sqrt{3}$

d)

$3\sqrt{5}$

57.

Simplify $\sqrt{2}\times6$

a)

$\sqrt{12}$

b)

$6\sqrt{2}$

58.

Simplify $\sqrt{80}$

a)

$\sqrt{5}$

b)

$16\sqrt{5}$

c)

$4\sqrt{5}$

d)

$10\sqrt{8}$

59.

Simplify $\sqrt{108}$

a)

$6\sqrt{3}$

b)

$9\sqrt{3}$

c)

$36\sqrt{3}$

d)

$54\sqrt{2}$

60.

Simplify fully

\frac{\sqrt{18}}{\sqrt{2}}

a)

$\sqrt{9}$

b)

3

c)

4

d)

$\sqrt{16}$

61.

Seed structure that grows become stem and leaves

a)

radicle

b)

plumule

c)

cotyledon

d)

endosperm

62.

Seed structure that stores nutrients

a)

radicle

b)

plumule

c)

testa

d)

endosperm

63.

Seed structure that protects seed

a)

radicle

b)

plumule

c)

testa

d)

endosperm

64.

Monocots seed

a)

corn

b)

bean

c)

wheat

d)

sugarcane

65.

Dicots seed

a)

bean

b)

peanut

c)

cucumber

d)

corn

66.

Conditions for germination are sunlight, air and (a)

67.

Which of the following describes process no.2?

a)

First leaves grow and carry out photosynthesis

b)

Plumule becomes stem and leaves

c)

Radicle becomes root

d)

Seed coat is broken

68.

This type of germination in peas, coconut, mango where the seed/cotyledon stay in the soil. What is the germination type?

(a)

69.

What does an ovule become when it is fertilised?

a)

a seed

b)

a sprout

c)

a fruit

d)

it stays an ovule

70.

All seeds have

a)

Seed Coat

b)

Food Store

c)

Embryo

d)

All of the above

71.

It is the development of a seed into a plant.

a)

seed dispersal

b)

germination

c)

habitat

72.

It is the spreading of seeds to other places.

a)

germination

b)

habitat

c)

seed dispersal

73.

Which condition is NOT needed for germination?

a)

Water

b)

Oxygen

c)

Light

d)

Suitable temperature

74.

The seed is protected by an outer covering called:

a)

food store

b)

embryo

c)

seed coat

d)

germination

75.

What are plants searching for when they grow out of the ground? (hint: it makes them grow tall)

a)

good air

b)

peace of mind

c)

green grass

d)

sunlight

76.

What does the word GERMINATE mean?

a)

it has germs

b)

life span

c)

begins to grow

d)

dies

77.

Which is NOT part of a seed?

a)

seed coat

b)

embryo

c)

pollen

d)

food store

78.

The part of a plant that grows into a new plant

a)

food store

b)

roots

c)

seed

d)

flower

79.

Which part of the seed grows in to a new plant?

a)

embryo

b)

leaf

c)

stem

d)

food store

80.

Why plants growing well in summer?

a)

they need sunlight

b)

they need warmth

c)

they need cool weather

d)

all of them

81.

An ionic bond forms when atoms ___________ electrons.

a)

gain

b)

share

c)

increase

d)

transfer

82.

Which type of bond has an equal sharing of electrons?

a)

Polar Covalent

b)

Non Polar Covalent

c)

Ionic

d)

Metallic

83.

Which type of bond has a transfer of an electron from on atom to another?

a)

Polar Covalent

b)

Non Polar Covalent

c)

Ionic

d)

Metallic

84.

Chemical bonds form when atoms

a)

combined nuclei

b)

give up neutrons

c)

gain protons

d)

share or transfer electrons

85.

If an atom loses two electrons what charge will it have?

a)

+ 2

b)

- 2

c)

+1

d)

-1

86.

If an atom gains one electron what charge will it have?

a)

-2

b)

-1

c)

+1

87.

Covalent compounds

a)

Share electrons

b)

transfer electrons

c)

contain a sea of electrons

d)

conduct electricity

88.

What is the number of valence electrons for Oxygen?

a)

8

b)

6

c)

2

d)

1

89.

How many valence electrons in this structure?

a)

6

b)

5

c)

4

d)

7

90.

A bond that forms when electrons are transferred is called a/an

a)

ionic bond

b)

covalent bond

c)

hydrogen bond

92.

Atoms joined together by SHARING electrons are?

a)

Ionic bonds

b)

Covalent bonds

c)

Metallic Bonds

d)

James Bonds

92.

Atoms joined together by SHARING electrons are?

a)

Ionic bonds

b)

Covalent bonds

c)

Metallic Bonds

d)

James Bonds

93.

How are covalent bonds explained?

a)

When one atom takes the other atom's electron

b)

When the atom shares an electron with an another atom

c)

When the two nucleus merge

d)

When the neutrons leave the nucleus

94.

Atoms joined together by SHARING electrons are?

a)

Ionic bonds

b)

Covalent bonds

c)

Metallic Bonds

d)

James Bonds

95.

Ionic bonding is between a

a)

nonmetal and nonmetal

b)

metal and nonmetal

c)

metal and metal

d)

Depends on the situation

96.

Covalent bonding is between a

a)

nonmetal and nonmetal

b)

metal and nonmetal

c)

metal and metal

d)

It depends on the situation

97.

What do positive ions tend to do?

a)

lose electrons

b)

gain electrons

c)

lose protons

d)

gain protons

98.

What do positive ions tend to do?

a)

lose electrons

b)

gain electrons

c)

lose protons

d)

gain protons

99.

What happens when magnesium loses 2 electrons?

a)

It stabilizes to a net charge of 0

b)

It turns into an atom

c)

It becomes negatively charged

d)

It becomes positively charged

100.

Predict the bond between Mg and Cl

a)

covalent

b)

ionic

c)

metallic

d)

none of the above

IIT-JEE & NEET LEVEL-7 (9-T)

Total questions: 100

Worksheet time: 2hrs 37mins

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