NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 1223 - 1227 of 1484

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Question number: 1223

» Biology » Our Environment

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MCQ▾

Question

Which of the following gases are man-made chemical which causes of stratospheric ozone depletion?

Choices

Choice (4) Response

a.

Chlorofluorocarbons

b.

Sulfur dioxide

c.

Carbon dioxide

d.

Ammonia

Question number: 1224

» Biology » Our Environment

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MCQ▾

Question

Which of the following chemicals cause the depletion of the ozone layer?

I. CFCs

II. HCFCs

III. Halons

IV. Methyl bromide

Choices

Choice (4) Response

a.

I, II and III only

b.

II, III and IV only

c.

I, II, III and IV only

d.

I, III and IV only

Question number: 1225

» Biology » Our Environment

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MCQ▾

Question

Which of the following represents food chain based on the given figure?

 Image showing food chain arrangement.

Image Showing Food Chain Arrangement.

Image showing food chain arrangement.

Choices

Choice (4) Response

a.

Leaf Caterpillar Chameleon Snake

b.

Leaf Caterpillar Snake Chameleon

c.

Leaf Chameleon Caterpillar Snake

d.

Chameleon Leaf Caterpillar Snake

Question number: 1226

» Biology » Our Environment

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MCQ▾

Question

What could ‘X’ be in the given food chain?

Image showing diagram of food web.

Image Showing Diagram of Food Web.

Image showing diagram of food web.

Choices

Choice (4) Response

a.

Primary consumer

b.

Tertiary consumer

c.

Producer

d.

Secondary consumer

Question number: 1227

» Biology » Our Environment

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MCQ▾

Question

Which of the following represents the lowest level of the trophic system?

I. Green Plants

II. Herbivores

III. Algae

IV. Carnivores

Choices

Choice (4) Response

a.

II and IV only

b.

I, II and IV only

c.

I, II and III only

d.

I and III only

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