Sample Paper Set II 9th &10th

20 Questions | Total Attempts: 918  Settings  Question No: 1-5 (Math) Question No: 6-10 (Physics) Question No: 11-15 (Biology) Question No: 16-20 (Chemistry)

• 1.
There are 60 students in a class, out of them 40 are boys. At a particular day 4 girls are absent in the class. The probability of selecting a girl on that day will be
• A.
• B.
• C.
• D.

None

• 2.
If V is the volume of a cuboids of dimensions x, y, z, and A  is its surface area, then   is equal to
• A.
• B.
• C.
• D.

None

• 3.
In the given data 19,25,59,49,35,31,30,32,51, the median is p. A student makes a mistake of writing 25, he interchange unit and 10th place of number. Now the new median becomes q. The value of (q – p) will be
• A.

1

• B.

2

• C.

3

• D.

None

• 4.
In the adjacent figure, PA and PB are tangents to the circle drawn from an external point P. CQD is another tangent touching the circle at Q. If PB = 10 cm and CQ = 2 cm then length of PC is
• A.

6 cm

• B.

7 cm

• C.

8 cm

• D.

5 cm

• 5.
A hemispherical tank full of water is emptied by a pipe at the rate of  liters per second. How much time will it take to empty half the tank, if its diameter is 3m
• A.

10.32

• B.

15.5

• C.

16.5

• D.

None

• 6.
The loudness of sound of the bell in the bell jar experiment gradually decreases with
• A.

Decrease in the quantity of air

• B.

Increase in the quantity of air

• C.

Increase in the atmospheric pressure

• D.

None

• 7.
Two bodies of mass 1 kg and 2 kg have equal momentum. The ratio of their kineticenergies is
• A.

1 : 1

• B.

2 : 1

• C.

1 : 3

• D.

3 : 1

• 8.
Mechanical wave (sound wave) in a gas is
• A.

Transverse

• B.

Longitudinal

• C.

Neither transverse or longitudinal

• D.

Either transverse or longitudinal

• 9.
When an object is moved away from a convex mirror, the image
• A.

Becomes smaller

• B.

moves closer to the focus

• C.

Becomes inverted

• D.

Both (a) and (b)

• 10.
A parallel beam of light falling on the eye gets focused on the retina because of refractions  at
• A.

The cornea

• B.

The crystalline lens

• C.

The vitreous humor

• D.

Various surfaces in the eye

• 11.
Flower is a
• A.

Modified seed

• B.

Modified root

• C.

Modified shoot

• D.

Modified branch

• 12.
Mycelium and hyphae are found in
• A.

Algae

• B.

Lichens

• C.

Fungi

• D.

All of these

• 13.
Which of the following is an aquatic adaptation?
• A.

Presence of feathers

• B.

Fore limbs modified into wings

• C.

Hollow bones

• D.

Presence of fins

• 14.
Which of the following is absent in dicots?
• A.

Two cotyledons in seed

• B.

Cambium in vascular bundles

• C.

Secondary growth

• D.

Parallel venation in leaves

• 15.
• A.

Aquatic

• B.

Burrowing

• C.

Aerial

• D.

Arboreal

• 16.
Which one of the following statement is correct?
• A.

Soap solution turns red litmus blue.

• B.

Hard water produce foam with soap easily

• C.

Alcohol supplied for industrial purpose is mixed with copper sulphate to enhance quality of alcohol.

• D.

None of these.

• 17.
Which one of the following compounds does not contain a multiple bond?
• A.
• B.
• C.

Benzene

• D.

None of these

• 18.
Which one of the following salts is not present is hard water?
• A.

Calcium sulphate

• B.

Magnesium bicarbonate

• C.

Calcium chloride

• D.

Sodium chloride

• 19.
Which of the following hydrocarbon shows isomerism?
• A.
• B.
• C.
• D.
• 20.
Which of the following has the shortest carbon-carbon bond?
• A.
• B.
• C.
• D.

Same for all

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