NSTSE (National Science Talent Search Exam- Unified Council) Class 7: Questions 1429 - 1435 of 1732

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Question number: 1429

» Biology » Life on Earth and Soil

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MCQ▾

Question

Which among the following soil is mixture of other soils?

Choices

Choice (4)Response

a.

Clayey soil

b.

Sandy soil

c.

Loamy soil

d.

All of the above

Question number: 1430

» Chemistry » Acid, Base and Salts

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MCQ▾

Question

Which of the following substance is acidic in nature?

Choices

Choice (4)Response

a.

Baking soda

b.

Soap

c.

Vinegar

d.

None of the above

Question number: 1431

» Chemistry » Acid, Base and Salts

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MCQ▾

Question

Reaction which releases energy in the form of heat and light are known as:

Choices

Choice (4)Response

a.

Endothermic reaction

b.

Neutralization reaction

c.

Exothermic reaction

d.

Question does not provide sufficient data or is vague

Question number: 1432

» Biology » Life on Earth and Soil

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MCQ▾

Question

Cultivation of a single crop in an area is known as:

Choices

Choice (4)Response

a.

Monoculture

b.

Crop rotation

c.

Polyculture

d.

Question does not provide sufficient data or is vague

Question number: 1433

» Chemistry » Acid, Base and Salts

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MCQ▾

Question

Alkalis are:

Choices

Choice (4)Response

a.

Soluble base

b.

Bases

c.

Soluble acid

d.

Acids

Question number: 1434

» Chemistry » Acid, Base and Salts

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MCQ▾

Question

Bases turn:

Choices

Choice (4)Response

a.

Turns turmeric paper to red.

b.

Turns solution of China rose to green.

c.

Red litmus blue

d.

All a. , b. and c. are correct

Question number: 1435

» Biology » Life on Earth and Soil

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MCQ▾

Question

Which layer provides shelter to the organisms?

Choices

Choice (4)Response

a.

B horizon

b.

A horizon

c.

C horizon

d.

Question does not provide sufficient data or is vague

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