NSO Level 1- Science Olympiad (SOF) Class 7: Questions 164 - 167 of 597

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Question number: 164

» Fibre to Fabric

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MCQ▾

Question

World’s finest and warmest wool, with fibers one-fifth the thickness of a human hair. The wool is also called the “king of wools”. Name the animal from which this kind of wool is produced.

Figure showing the animal

Figure Showing the Animal

Choices

Choice (4)Response

a.

Chiru

b.

Lama

c.

Angora

d.

Chinkara

Question number: 165

» Heat

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MCQ▾

Question

Higher the temperature of the body, higher is the of the molecules of that body.

Read the above statement and select the correct option which completes the statement.

Choices

Choice (4)Response

a.

Frictional energy

b.

Potential energy

c.

Kinetic energy

d.

Question does not provide sufficient data or is vague

Question number: 166

» Heat

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MCQ▾

Question

Which of the following temperature scale does not have negative temperature readings?

Choices

Choice (4)Response

a.

Celsius scale

b.

Fahrenheit scale

c.

Kelvin scale

d.

None of the above

Question number: 167

» Physical and Chemical Changes

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MCQ▾

Question

Read the statements and select the correct option which is true for the statements.

  1. Dissolving sugar is an example of Physical change.

  2. Crystallization of sugar is an example of chemical change.

Choices

Choice (4)Response

a.

Only statement 1 is true.

b.

Only statement 2 is true.

c.

Statements 1 and 2 are false.

d.

Statements 1 and 2 are true.

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