NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1789 - 1795 of 2000

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Question number: 1789

» Biology » Natural Resources

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Question

Botanical gardens are conservation of

Choices

Choice (4) Response

a.

Animals

b.

Insects

c.

Plants

d.

Bacteria

Question number: 1790

» Biology » Natural Resources

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Question

Which of the following is the result of deforestation?

Choices

Choice (4) Response

a.

Soil erosion

b.

Loss of soil fertility

c.

Loss of biodiversity

d.

All a. , b. and c. are correct

Question number: 1791

» Biology » Natural Resources

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Question

Which of the following is non-renewable source of energy

Choices

Choice (4) Response

a.

Forest

b.

Fossil fuels

c.

Water

d.

Wild life

Question number: 1792

» Biology » Natural Resources

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Question

The process by which carbon enters into the carbon dioxide cycle is

Choices

Choice (4) Response

a.

Photosynthesis

b.

Decomposition

c.

Burning

d.

Respiration

Question number: 1793

» Biology » Natural Resources

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Question

Soil erosion is

Choices

Choice (4) Response

a.

Removal of top layers of soil by water

b.

Removal of top layers of soil by wind

c.

Removal of top layers of soil by ranching and grazing

d.

All a. , b. and c. are correct

Question number: 1794

» Biology » Natural Resources

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MCQ▾

Question

Which of the following provides protection to life?

Choices

Choice (4) Response

a.

Ozone layer

b.

Nitrogen

c.

Hydrogen

d.

Carbon-di-oxide

Question number: 1795

» Biology » Natural Resources

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Question

Nitrifying bacteria are those

Choices

Choice (4) Response

a.

Which converts atmospheric nitrogen into nitrites and nitrates

b.

Only the means of nitrification

c.

Have symbiotic relationship with leguminous plants

d.

Both a. and c. are correct

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