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POLLUTION OF AIR AND WATER

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

WHICH OF THE FOLLOWING DOES NOT CAUSE AIR POLLUTION?

a)

MINING

b)

POWER PLANT

c)

REFINERY

d)

IRRIGATION

2.

OZONE LAYER IS FOUND IN THE _________________ LAYER OF THE ATMOSPHERE.

a)

TROPOSPHERE

b)

MESOSPHERE

c)

STRATOSPHERE

d)

IONOSPHERE

3.

THE PETROLEUM PRODUCT WHICH IS NOT USED AS A FUEL IS:

a)

PETROL

b)

KEROSENE

c)

DIESEL

d)

PETROLEUM JELLY

4.

GLOBAL WARMING IS DUE TO AN EXCESSIVE EMISSION OF

a)

CARBON DIOXIDE

b)

SULPHUR DIOXIDE

c)

NITROGEN DIOXIDE

d)

HYDROGEN PEROXIDE

5.

EUTROPHICATION IS CAUSED DUE TO PRESENCE OF EXCESSIVE

a)

NITRATES IN WATER

b)

PHOSPHATE IN WATER

c)

OXYGEN IN WATER

d)

BOTH A AND B

6.

WHICH OF THE FOLLOWING STATEMENTS IS INCORRECT?

a)

SUSPENDED PARTICULATE MATTER CAN LEAD TO RESPIRATORY PROBLEMS LIKE BRONCHITIS AND ASTHMA

b)

ACID RAIN IS MAINLY CONSTITUTED BY OXIDES OS SULPHUR AND NITROGEN

c)

CNG IS CALLED A CLEANER FUEL AS IT BURNS COMPLETELY

d)

MAJOR GREENHOUSE GASES ARE CFCs AND HYDROCARBONS ONLY

7.

GREENHOUSE EFFECT IS RAPIDLY INCREASING DUE TO INCREASE IN CONCENTRATION OF CARBON DIOXIDE. IN THE GIVEN GRAPH, THE INCREASE IN THE CONCENTRATION OF CARBON DIOXIDE IS SHOWN. WHAT COULD BE X CORRESPONDING TO IT?

1. RATE OF PHOTOSYNTHESIS IN PLANTS

2. pH OF THE OCEANS

3. WATER LEVEL OF OCEANS

4. AVERAGE GLOBAL TEMPERATURE OF EARTH

a)

1 AND 3 ONLY

b)

2 AND 4 ONLY

c)

2 ONLY

d)

4 ONLY

8.

MATCH COLUMN I WITH COLUMN II AND SELECT THE CORRECT OPTIONS FROM THE CODE GIVEN BELOW.

a)

a-iv, b-ii, c-i, d-iii

b)

a-iii, b-iv, c-ii, d-i

c)

a-i, b-ii, c-iv, d-iii

d)

a-i, b-iii, c-iv, d-ii

9.

WHICH OF THE FOLLOWING IS USED IN DISINFECTING WATER?

a)

CHLORINE

b)

OZONE

c)

ULTRAVIOLET RAYS

d)

ALL OF THESE

10.

THE OZONE LAYER PROTECTS US FROM THE BAD EFFECTS OF

a)

THE SUN'S UV RAYS

b)

CARBON DIOXIDE

c)

CFCs

d)

ALL OF THESE