Natural Resources Test

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Natural Resources Test - 2

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Weekly Quiz Competition

Question 1
1 / -0

Biosphere contains both biotic and abiotic components. Which of the following groups of components are only abiotic?

A
Temperature, light and bacteria

B
Air, water and microbes

C
Algae, fungi and lichens

D
Air, water and soil

Solution

Air, water and soil are abiotic components.Biotic components are the living things that shape an ecosystem. Biotic components usually include: Producers, i.e. autotrophs: e.g. plants. Abiotic components or abiotic factors are non-living chemical and physical parts of the environment that affect living organisms and the functioning of ecosystems.
Question 2
1 / -0

Why does life not exist on Venus and Mars?

A
Because the major component of their atmosphere is nitrogen

B
Because the major component of their atmosphere is oxygen

C
Because the major component of their atmosphere is carbon dioxide

D
Because the major component of their atmosphere is water vapour

Solution

Life does not exist on Venus and Mars because the major component of their atmosphere is carbon dioxide.
The atmosphere of Mars is about 100 times thinner than Earth's, and it is 95 percent carbon dioxide.
The atmosphere of Venus is made up almost completely of carbon dioxide. It also includes small doses of nitrogen and clouds of sulfuric acid.
Question 3
1 / -0

Which of the following is not a parameter for determining the quality of soil?

A
Amount of humus

B
Population of microscopic organisms

C
Nutrient content

D
Urbanisation

Solution

Urbanisation is not a parameter for determining the quality of soil. Soil quality indicators are physical, chemical, and biological properties, processes, and characteristics that can be measured to monitor changes in the soil.
Question 4
1 / -0

Carbon is found in various forms on the Earth. The elemental form of carbon is

A
coal

B
petroleum

C
graphite

D
limestone

Solution

Carbon is found in various forms on the Earth. The elemental forms of carbon are diamond and graphite.
Question 5
1 / -0

Which of the following factors influence the blowing of wind?

a. Uneven heating of Earth's surface
b. Rotation of Earth
c. Coriolis force
d. Presence of mountains in the path of wind

A
a and b

B
c and d

C
b and c

D
All of these

Solution

The uneven heating of Earth's surface by the sun creates a difference in the pressure and causes the winds to blow from high pressure areas towards areas with low pressure area. Winds, though, are partly shunted off direct courses between high and low pressure by the rotation of the Earth. This discrepancy of direction is called the Coriolis effect. Presence of mountains in the path of wind influence the blowing of wind.
Hence, option (4) is correct.
Question 6
1 / -0

Which of the following is/are the major source(s) of mineral nutrients in soil?

A
Parent rock from which the soil is formed

B
Remains of plants

C
Remains of animals

D
Bacteria

Solution

The mineral nutrients that are found in a particular soil depend on the rocks it was formed from.
Question 7
1 / -0

Which of the following factors help in the formation of soil?

a. Sun
b. Water
c. Wind
d. Living organisms
e. Humus

A
a, b and c

B
a, c and d

C
a, b and e

D
a, b, c and d

Solution

This is the correct option. Sun, water, wind and living organisms are the factors that help in the formation of soil. Humus is dark, organic material that forms in soil when plant and animal matter decays.
Question 8
1 / -0

Which of the following is not a non-degradable pollutant?

A
Plastic

B
Sewage

C
Aluminium can

D
Pesticide

Solution

This is the correct option as sewage is not a non-degradable pollutant. It decomposes easily.
Question 9
1 / -0

Which of the following statements about water stored in the ground is incorrect?

A
It does not evaporate.

B
It spreads out to recharge wells.

C
It provides moisture for vegetation.

D
It provides breeding ground for mosquitoes.

Solution

It does not provide breeding ground for mosquitoes as this water is below ground and not available to mosquitoes for breeding.
Question 10
1 / -0

Which of the following processes adds sulphur dioxide to the air?

A
Breakdown of glucose

B
Roasting of metals

C
Transpiration

D
Respiration

Solution

During roasting, the sulphide is converted to an oxide, and sulphur is released as sulphur dioxide, a gas. 'Roasting' is a step of the processing of certain ores. The technology is useful, but is also a serious source of air pollution.

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Re-Attempt Weekly Quiz Competition

Natural Resources Test - 2

Result

Natural Resources Test - 2

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SHARING IS CARING

Question 1

Temperature, light and bacteria

Air, water and microbes

Algae, fungi and lichens

Air, water and soil

Solution

Question 2

Because the major component of their atmosphere is nitrogen

Because the major component of their atmosphere is oxygen

Because the major component of their atmosphere is carbon dioxide

Because the major component of their atmosphere is water vapour

Solution

Question 3

Amount of humus

Population of microscopic organisms

Nutrient content

Urbanisation

Solution

Question 4

coal

petroleum

graphite

limestone

Solution

Question 5

a and b

c and d

b and c

All of these

Solution

Question 6

Parent rock from which the soil is formed

Remains of plants

Remains of animals

Bacteria

Solution

Question 7

a, b and c

a, c and d

a, b and e

a, b, c and d

Solution

Question 8

Plastic

Sewage

Aluminium can

Pesticide

Solution

Question 9

It does not evaporate.

It spreads out to recharge wells.

It provides moisture for vegetation.

It provides breeding ground for mosquitoes.

Solution

Question 10

Breakdown of glucose

Roasting of metals

Transpiration

Respiration

Solution

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