NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 1706 - 1712 of 2028

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Question number: 1706

» Physics » Friction

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Question

The force of friction depends upon:

Choices

Choice (4) Response

a.

Material of objects in contact

b.

Nature of surface of contact

c.

Both a. and b. are correct

d.

None of the above

Question number: 1707

» Biology » Conservation of Plants and Animals

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Question

Wild life is destroyed most:

Choices

Choice (4) Response

a.

Due to mass scale hunting for foreign trade

b.

When natural calamity occurs

c.

When there is a lack of proper care and attention

d.

When its natural habitat is destroyed

Question number: 1708

» Biology » Conservation of Plants and Animals

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Question

Nodulated roots contain Rhizobium leguminosarum. Which of these plants lack nodulated roots?

Choices

Choice (4) Response

a.

Pea

b.

Ground nut

c.

Castor

d.

Bean

Question number: 1709

» Physics » Light

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Question

Rainbow occurs due to, which of the following phenomenon?

Choices

Choice (4) Response

a.

Internal Reflection

b.

Refraction

c.

Dispersion

d.

All a. , b. and c. are correct

Question number: 1710

» Physics » Light

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Question

Which of following surface cannot form a clear image?

Choices

Choice (4) Response

a.

Curved

b.

Ideal

c.

Rough

d.

Smooth

Question number: 1711

» Physics » Chemical Effects of Electric Current

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Question

Imitation jewelry is made by:

Choices

Choice (4) Response

a.

Applying a layer of chromium

b.

Applying a layer of silver

c.

Applying a layer of gold

d.

Both b. and c. are correct

Question number: 1712

» Physics » Some Natural Phenomena

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Question

Electrostatic force acts;

Choices

Choice (4) Response

a.

between earth and body

b.

on contact surface of two bodies

c.

between charge particles

d.

between iron and magnet

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