NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 1431 - 1435 of 2028

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Question number: 1431

» Biology » Conservation of Plants and Animals

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Question

A large increase in crop production in developing countries achieved by the use of artificial fertilizers, pesticides, and high-yield crop varieties is called:

Choices

Choice (4)Response

a.

Green revolution

b.

Forest revolution

c.

Environmental revolution

d.

Question does not provide sufficient data or is vague

Question number: 1432

» Biology » Reproduction in Animals

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Question

Based on the figure given below, which statements is/are true about X?

Which statements is true about X

Which Statements is True About X

I. Thallophytes

II. Cryptogams

III. Cellulose is present

IV. Symbiotic members are present

Choices

Choice (4)Response

a.

I and II only

b.

I, II and III only

c.

I, II and IV only

d.

I, II, III and IV

Question number: 1433

» Biology » Conservation of Plants and Animals

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Question

Deforestation leads to:

I. Soil erosion

II. Degradation of environment

III. Global warming

Which of the following word/ (s) is/are correct?

Choices

Choice (4)Response

a.

II and III only

b.

III only

c.

I, II and III only

d.

I and II only

Question number: 1434

» Biology » Conservation of Plants and Animals

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MCQ▾

Question

The layer of the earth’s atmosphere which contains a high concentration of ions and free electrons and is able to reflect radio waves is:

Choices

Choice (4)Response

a.

Lithosphere

b.

Stratosphere

c.

Ionosphere

d.

Biosphere

Question number: 1435

» Biology » Conservation of Plants and Animals

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Question

The richness of species concentration at a particular region is called:

Choices

Choice (4)Response

a.

Genetic diversity

b.

Species diversity

c.

Biodiversity hotspots

d.

Landscape diversity

Developed by: