Natural Resources Test

Result

Natural Resources Test - 6

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Weekly Quiz Competition

Question 1
1 / -0

Which one is not correct for the use of large amount of fertilizers and pesticides

A
They destroy the soil fertility

B
They are eco-friendly

C
They turn the fields barren after some time

D
They affect the useful component from the soil

Solution

Use of large amount of fertilizers and pesticides turns the fields barren after sometime, they affect the useful components of the soil and destroy the soil fertility. Fertilizers and pesticides are not eco-friendly.
Question 2
1 / -0

The major cause of ozone depletion is

A
Chlorofluro carbons

B
fertilizers

C
Oxygen

D
Pesticides

Solution

The major cause of ozone layer depletion includes CFCs (Chlorofluro carbons) that are released from fridges and air conditioners. This gas breaks the ozone (O₃) into free oxygen.
Question 3
1 / -0

Find the correct statement :

A
Water hyacinth can be exploited to control water pollution.

B
Forest do not check flood and soil erosion

C
Coal is the common source of energy in Indian Villages.

D
Corbett National park is in the state of U. P.

Solution

Water hyacinth can be exploited to control water pollution but reduce the oxygen in water. Corbett National park is in the state of Gujarat. Forest check flood and soil erosion. Cow dung cakes and woods are common source of energy in villages.
Question 4
1 / -0

What is ODS?

A
Oxygen depleting substance

B
Ozone depleting substance

C
Ozone decaying substance

D
Oxygen decaying substance

Solution

Ozone depleting substances (ODS) are those substances that deplete the ozone layer. These substances includes chlorofluorocarbons other gases.
Question 5
1 / -0

Toxic chemical released by paper industry is

A
Mercury

B
Lead

C
Calcium

D
Nickel

Solution

Toxic chemical released by paper industry is Mercury. Mercury is used to decolorize the paper and make it smoother.
Question 6
1 / -0

Long exposure of UV light to man cause-

A
Loss of vision

B
Loss if skin colour

C
Skin cancer

D
Loss of hair

Solution

Direct exposure of UV light to man cause skin cancer. Depletion of ozone layer allows ultraviolet rays to enter the earth surface which in turn may cause skin cancer to human beings.
Question 7
1 / -0

Lichens are sensitive to which component of air pollution?

A
CO₂

B
CO

C
SO₂

D
NO₂

Solution

Lichens are used as indicator of pollution. Lichens do not grow in area having very high pollution. Lichens are sensitive to Sulphur dioxide gas present in polluted air
Question 8
1 / -0

Statement A: Ozone hole was first noticed over Antarctica in 1985.
Statement B: Xenobiotic are man – made substances which can easily be degraded by natural process.
Which of the two statement is true

A
Statement A

B
Statement B

C
Both A and B

D
None of these

Solution

Ozone hole was first noticed over Antarctica in 1985. Through this hole, ultraviolet rays reach to earth. Xenobiotic or man-made substances may be biotic or abiotic.
Question 9
1 / -0

Match the following with correct response.
(1) Water Pollution
(2) Air pollution
(3) Soil Pollution
(4) Thermal pollution

(A) Hot water
(B) Acid rain
(C) Eutrophication
(D) Soil erosion

A
1-A, 2-C, 3-B, 4-D

B
1-C, 2-B, 3-D, 4-A

C
1-B, 2-D, 3-A, 4-C

D
1-D, 2-A, 3-C, 4-B

Solution

1. Water pollution is caused by mixing of organic wastes , process called eutrophication

2. Water pollution is mainly caused by acid rain due to excessive air pollution.

3. Soil pollution is caused by removal of top soil called soil erosion

4. Thermal pollution is caused by heating of water through sunlight and geothermal energy
Question 10
1 / -0

Match the following with correct response.
(1) Inexhaustible
(2) Exhaustible
(3) Clean fuel
(4) Hot air

(A) Minerals
(B) Winds
(C) CNG
(D) Solar energy

A
1-C, 2-B, 3-D, 4-A

B
1-B, 2-D, 3-A, 4-C

C
1-A, 2-C, 3-B, 4-D

D
1-D, 2-A, 3-C, 4-B

Solution

1. Inexhaustible source are those which can be used again and again and can not be destroyed like solar energy, wind energy etc

2. Exhaustible sources are those which can be replenished again and again.

3. CNG is clean fuel as it not produces any harmful gases

4. Air becomes hotter due to solar energy

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Natural Resources Test - 6

Result

Natural Resources Test - 6

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SHARING IS CARING

Question 1

They destroy the soil fertility

They are eco-friendly

They turn the fields barren after some time

They affect the useful component from the soil

Solution

Question 2

Chlorofluro carbons

fertilizers

Oxygen

Pesticides

Solution

Question 3

Water hyacinth can be exploited to control water pollution.

Forest do not check flood and soil erosion

Coal is the common source of energy in Indian Villages.

Corbett National park is in the state of U. P.

Solution

Question 4

Oxygen depleting substance

Ozone depleting substance

Ozone decaying substance

Oxygen decaying substance

Solution

Question 5

Mercury

Lead

Calcium

Nickel

Solution

Question 6

Loss of vision

Loss if skin colour

Skin cancer

Loss of hair

Solution

Question 7

CO2

CO

SO2

NO2

Solution

Question 8

Statement A

Statement B

Both A and B

None of these

Solution

Question 9

1-A, 2-C, 3-B, 4-D

1-C, 2-B, 3-D, 4-A

1-B, 2-D, 3-A, 4-C

1-D, 2-A, 3-C, 4-B

Solution

Question 10

1-C, 2-B, 3-D, 4-A

1-B, 2-D, 3-A, 4-C

1-A, 2-C, 3-B, 4-D

1-D, 2-A, 3-C, 4-B

Solution

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CO₂

SO₂

NO₂