NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 1772 - 1778 of 2028

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Question number: 1772

» Physics » Friction

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MCQ▾

Question

In a rotating machine, which of the following is used to decreasing the friction?

Choices

Choice (4) Response

a.

Powder

b.

Polishing

c.

Rollers

d.

Ball bearing

Question number: 1773

» Biology » Reproduction in Animals

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MCQ▾

Question

Which part within the uterus prevents the mixing of the blood of the foetus with that of the mother?

Choices

Choice (4) Response

a.

Placenta

b.

Uterus wall

c.

Umbilical cord

d.

Water sac

Question number: 1774

» Physics » Some Natural Phenomena

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MCQ▾

Question

The magnitude of earthquake is measured in:

Choices

Choice (4) Response

a.

Kelvin

b.

Celsius

c.

Richter

d.

Pascal

Question number: 1775

» Biology » Food Production and Management

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Question

Most fungi develop a multicellular mass of filaments that spreads through the organic matter they are using as food. This mass is called:

Choices

Choice (4) Response

a.

Mycelium

b.

Hyphae

c.

Ascoscarp

d.

Sporangium

Question number: 1776

» Physics » Some Natural Phenomena

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MCQ▾

Question

By which of the following electric charges can be transferred from one charged body to another?

Choices

Choice (4) Response

a.

Insulators

b.

Earthing

c.

Seismograph

d.

Conductor

Question number: 1777

» Physics » Some Natural Phenomena

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MCQ▾

Question

If one metal rod having positive charges is placed, near to another metal rod having same positive charge, then they will:

Choices

Choice (4) Response

a.

Either attracted or repelled

b.

Remains as it is

c.

Repelled

d.

Attracted

Question number: 1778

» Physics » Friction

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MCQ▾

Question

When a block is sliding on a horizontal stationary table, which type of force of friction is acting between surface of table and the block?

Choices

Choice (4) Response

a.

Rolling friction

b.

Fluid friction

c.

Dynamic friction

d.

Stationary friction

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