NSO Level 1- Science Olympiad (SOF) Class 7: Questions 165 - 169 of 593

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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.

Question number: 168

» Physical and Chemical Changes

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MCQ▾

Question

Solidification of water to ice is due to which of the following?

Solidification of water to ice

Solidification of Water to Ice

Solidification of water to ice

Choices

Choice (4) Response

a.

Physical change

b.

Biological change

c.

Chemical change

d.

Question does not provide sufficient data or is vague

Question number: 169

» Fibre to Fabric

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MCQ▾

Question

Which of the following statements are correct?

  1. The plant fibers are made up of cellulose which is a structural part in the plant world.

  2. The wool obtained from the fleece of Angora goat is called Mohair.

  3. The cocoon left after the moth is emerged out is used for silk production.

Choices

Choice (4) Response

a.

Only (1)

b.

(1) and (2)

c.

Only (2)

d.

Question does not provide sufficient data or is vague

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