NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1840 - 1846 of 2000

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Question number: 1840

» Biology » Improvement in Food Resources

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Question

Which macronutrients provide the largest amount of energy?

Choices

Choice (4) Response

a.

Proteins

b.

Carbohydrates

c.

Lipids

d.

Minerals

Question number: 1841

» Biology » Natural Resources

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Question

Disadvantages of mining are

Choices

Choice (4) Response

a.

destroying scenic beauty of that site

b.

loss of biodiversity

c.

almost all types of pollution like noise, air, water pollution etc.

d.

All a. , b. and c. are correct

Question number: 1842

» Biology » Improvement in Food Resources

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Question

Composite fish culture

Choices

Choice (4) Response

a.

Rearing of 5 - 6 fish species in a single fish pond

b.

Some are surface dwellers whereas some are bottom dwellers

c.

Fishes are selected in such a way to avoid competition for food

d.

All a. , b. and c. are correct

Question number: 1843

» Biology » Natural Resources

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Question

Conservation of plants and animals within their natural habitats

Choices

Choice (4) Response

a.

In-situ

b.

In-vitro

c.

Ex-situ

d.

In-vivo

Question number: 1844

» Biology » Improvement in Food Resources

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Question

Single Cell Protein is produced from

Choices

Choice (4) Response

a.

Plants and animals

b.

Fungi

c.

Micro-organisms

d.

Both b. and c. are correct

Question number: 1845

» Biology » Improvement in Food Resources

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Advantages of intercropping are

Choices

Choice (4) Response

a.

Increased crop yield

b.

Biological weed control

c.

Maximizes use of growth resources

d.

All a. , b. and c. are correct

Question number: 1846

» Biology » Improvement in Food Resources

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Question

Apiculture is

Choices

Choice (4) Response

a.

Preparation of compost using earthworms

b.

Bee keeping

c.

Cattle rearing

d.

Poultry farming

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