NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 1224 - 1228 of 1484

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Question 1224

Question

MCQ▾

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 1225

Question

MCQ▾

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

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 1226

Question

MCQ▾

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

Image Showing Diagram of Food Web

Choices

Choice (4)Response

a.

Primary consumer

b.

Tertiary consumer

c.

Producer

d.

Secondary consumer

Question 1227

Question

MCQ▾

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

Question 1228

Question

MCQ▾

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

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

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