NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 1228 - 1232 of 1484

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Question number: 1228

» Biology » Our Environment

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MCQ▾

Question

Which of the following represents the labelled parts O, M and N?

Image showing schematic diagram of food chain.

Image Showing Schematic Diagram of Food Chain.

Image showing schematic diagram of food chain.

Choices

Choice (4) Response

a.

M – Decomposer, N – Tertiary consumer, O – Producer

b.

M – Decomposer, N – Secondary consumer, O – Producer

c.

M – Decomposer, N – Tertiary consumer, O – Primary consumer

d.

M – Decomposer, N – Secondary consumer, O – Primary consumer

Question number: 1229

» Biology » Our Environment

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MCQ▾

Question

Which of the following is a renewable resource?

Choices

Choice (4) Response

a.

Soil

b.

Water

c.

Flora and fauna

d.

All a. , b. and c. are correct

Question number: 1230

» Biology » Our Environment

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MCQ▾

Question

Which of the following organisms are primary consumers in any food web?

Choices

Choice (4) Response

a.

Snake, Insect and Squirrel

b.

Grasshopper, Rabbit and Deer

c.

Green plants, Algae and Bacteria

d.

Rabbit, Fox and Bacteria

Question number: 1231

» Biology » Our Environment

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MCQ▾

Question

Photochemical smog is a mixture of pollutants that are formed when ________ react to sunlight?

Choices

Choice (4) Response

a.

Ozone and Methane

b.

Nitrogen oxides and Volatile organic compounds

c.

Carbon dioxide and Methane

d.

Nitrogen oxide and Sodium oxides

Question number: 1232

» Biology » Our Environment

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MCQ▾

Question

Which of the following statements about food chain are true?

Choices

Choice (4) Response

a.

In a food chain, there is unidirectional flow of energy from sun to producers and subsequently to series of different types of consumers.

b.

The amount of energy at each trophic level increases as it moves through an ecosystem.

c.

A food chain is not always straight and proceeds in a progressive straight line

d.

All of the above

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