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The spectacular nature of science

Total questions: 20

Worksheet time: 7mins

Name
Class
Date
1.

What is the most abundant gas in the Earth’s atmosphere?

a)

Carbon di-oxide

b)

Oxygen

c)

Sulphur

d)

Nitrogen

2.

Which gas is needed for photosynthesis?

a)

Oxygen

b)

Carbon dioxide

c)

Hydrogen

d)

Carbon monoxide

3.

The Newton’s third law is applicable when:

a)

Bodies are at rest

b)

Bodies are in motion

c)

Bodies are at rest or in motion

d)

Bodies are in the air

4.

The waste by-product of photosynthesis is:

a)

Carbon dioxide

b)

Oxygen

c)

Glucose

d)

Nitrogen

5.

Tomatoes in a greenhouse grow faster if the carbon dioxide concentration is increased. This shows that:

a)

Temperature must have been a limiting factor

b)

Carbon dioxide concentration must have been a limiting factor

c)

Light intensity must have been a limiting factor

d)

Oxygen and nitrogen concentration must have been limiting effect

6.

Which gases cause acid rains?

a)

A. Sulphur dioxide

b)

B. Nitrogen oxides

c)

C. Carbon dioxide

d)

D. Both A and B

7.

Photosynthesis takes place in the root.

a)

True

b)

False

c)

May be

d)

Not Sure

8.

If a body covers a full circle, then the displacement is:

a)

One

b)

Zero

c)

Distance

d)

Not sufficient data

9.

Which does not indicate a chemical change has occurred:

a)

Change of color

b)

Heat is produced

c)

Light is produced

d)

Smell is produced

10.

Which of the following planet lack moon?

a)

Saturn

b)

Mercury

c)

Venus

d)

Pluto

11.

In which modern-day country was the physicist and chemist Marie Curie born?

a)

7 July 1867

b)

7 November 1867

c)

4 November 1907

d)

4 July 1934

12.

Pinus is a herb.

a)

True

b)

False

13.

Which is the largest internal organ(according to size) in the human body?

a)

Brain

b)

Lungs

c)

Liver

d)

Stomach

14.

What part of a human body is the Mandible?

a)

Upper Jaw

b)

Cranium

c)

Lower Jaw

d)

Frontal Bone

15.

Why a small liquid drop is in spherical shape?

a)

Due to surface tension

b)

Due to hydrogen bonding

c)

Due to low viscosity

d)

Due to low density

16.

Light from the sun reaches from us in nearly-

a)

2 minutes

b)

4 minutes

c)

8 minutes

d)

16 minutes

17.

Which Newton's law is called the law of inertia?

a)

Newton's First Law

b)

Newton's Second Law

c)

Newton's Third Law

d)

All of these

18.

Which of the following secretions associated with digestion that does not have enzymes ?

a)

Bile

b)

Gastric Juice

c)

Saliva

d)

Pancreatic Juice

19.

Light travel at the fastest speed in which of the following?

a)

Air

b)

Water

c)

Glass

d)

Vacuum

20.

Rain drops fall from great height. Which among the following statements is true regarding it?

a)

Their velocity increases and they fall with the same velocity of the earth

b)

They fall with the same ultimate velocity

c)

Their velocity increases and they fall with different velocities on the surface of the earth

d)

They fall with that ultimate velocity which is different for different droplets.