NSTSE (National Science Talent Search Exam- Unified Council) Class 7: Questions 1282 - 1288 of 1732

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Question number: 1282

» Chemistry » Physical and Chemical Changes

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MCQ▾

Question

Which of the following process shows a chemical change?

Choices

Choice (4) Response

a.

Sublimation

b.

Galvanization

c.

Crystallization

d.

Rusting

Question number: 1283

» Chemistry » Physical and Chemical Changes

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MCQ▾

Question

Which of the following statement is not true for physical change?

Choices

Choice (4) Response

a.

Physical changes are always reversible.

b.

In physical change only physical properties of the substance changes.

c.

In physical change not new substance is formed.

d.

None of the above

Question number: 1284

» Biology » Nutrition in Animals

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MCQ▾

Question

Which of the following organism captures prey with its sticky tongue.

Choices

Choice (4) Response

a.

Spiders

b.

Frog

c.

Aquatic animals

d.

Humans

Question number: 1285

» Biology » Nutrition in Plants

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MCQ▾

Question

Why does algae looks green?

Choices

Choice (4) Response

a.

Because of presence of carbon dioxide

b.

Because of presence of chlorophyll

c.

Because of presence of nitrogen

d.

None of the above

Question number: 1286

» Biology » Nutrition in Plants

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MCQ▾

Question

Plants which require very little water are known as:

Choices

Choice (4) Response

a.

Embryophyte

b.

Hydrophytes

c.

Mesophytes

d.

Xerophytes

Question number: 1287

» Biology » Nutrition in Plants

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MCQ▾

Question

How nitrogen need is fulfilled by insectivorous plants?

Choices

Choice (4) Response

a.

They suck nitrogen from the soil

b.

From other plants

c.

They suck nitrogen from the juices of insects.

d.

None of the above

Question number: 1288

» Biology » Nutrition in Animals

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MCQ▾

Question

The process of breaking down of food by the teeth is known as?

Choices

Choice (4) Response

a.

Mastication

b.

Nutrition

c.

Absorption

d.

All of the above

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