Biology-Resources on Earth - Forest and Ecosystem (NSTSE (National Science Talent Search Exam- Unified Council) Class 7): Questions 1 - 8 of 20

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Question number: 1

» Biology » Resources on Earth - Forest and Ecosystem

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MCQ▾

Question

The most important source of earth’s energy is:

Choices

Choice (4) Response

a.

Moon

b.

Sun

c.

Water

d.

Wind

Question number: 2

» Biology » Resources on Earth - Forest and Ecosystem

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MCQ▾

Question

Animals get their food from?

Choices

Choice (4) Response

a.

Water

b.

Sun

c.

Plants

d.

Wind

Question number: 3

» Biology » Resources on Earth - Forest and Ecosystem

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MCQ▾

Question

During respiration animals take in:

Choices

Choice (4) Response

a.

Nitrogen

b.

Carbon dioxide

c.

Oxygen

d.

All of the above

Question number: 4

» Biology » Resources on Earth - Forest and Ecosystem

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MCQ▾

Question

Which of the following represents secondary consumer?

Choices

Choice (4) Response

a.

Snake

b.

Mice

c.

Grasshopper

d.

All of the above

Question number: 5

» Biology » Resources on Earth - Forest and Ecosystem

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MCQ▾

Question

Which of the following statement is not true?

Choices

Choice (4) Response

a.

Plants make their own food.

b.

A food chain consists of producers only.

c.

Plants and animals are dependent on each other

d.

All of the above

Question number: 6

» Biology » Resources on Earth - Forest and Ecosystem

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MCQ▾

Question

The part of the topsoil which is composed of decomposed remains of plants and animals is called:

Choices

Choice (4) Response

a.

Humus

b.

Algae

c.

Decomposer

d.

All of the above

Question number: 7

» Biology » Resources on Earth - Forest and Ecosystem

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MCQ▾

Question

Which of the following is both an autotroph and heterotrophs?

Choices

Choice (4) Response

a.

Algae

b.

Pitcher plant

c.

None of the above

d.

Question does not provide sufficient data or is vague

Question number: 8

» Biology » Resources on Earth - Forest and Ecosystem

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MCQ▾

Question

The wearing away of topsoil is known as:

Choices

Choice (4) Response

a.

Deforestation

b.

Soil erosion

c.

Corrosion

d.

All of the above

Developed by: