NSO Level 1- Science Olympiad (SOF) Class 10: Questions 979 - 985 of 986

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Question 979

Question

MCQ▾

Which of the following is not a non-conventional sources of energy?

Choices

Choice (4)Response

a.

Tidal energy

b.

Fossil fuel

c.

Solar energy

d.

Nuclear energy

Question 980

Question

MCQ▾

The compound is a good solvent for many plastics and some synthetic fibers. It is used for thinning polyester resin, cleaning tools. The compound is

Choices

Choice (4)Response

a.

Vinegar

b.

Alcohol

c.

Acetone

d.

Acetic acid

Question 981

Question

MCQ▾

If the angle of incidence, the angle of reflection,

Choices

Choice (4)Response

a.

b.

c.

d.

Question 982

Question

MCQ▾

Each carbon atom is bonded with three other carbon atoms to form hexagonal rings. That is called as

Choices

Choice (4)Response

a.

Diamonds

b.

Fullerene

c.

Graphite

d.

Coal

Question 983

Question

MCQ▾

Accumulation of non-biodegradable pesticides in the food chain in increasing amount at each higher trophic level is known as

Choices

Choice (4)Response

a.

Accumulation

b.

Pollution

c.

Bio-magnification

d.

Eutrophication

Question 984

Question

MCQ▾

Which of the following is not an example of decomposition reaction?

Choices

Choice (4)Response

a.

b.

c.

None of the above

d.

All of the above

Question 985

Question

MCQ▾

Which of the following is not an example of decomposition reaction?

Choices

Choice (4)Response

a.

b.

c.

None of the above

d.

All of the above

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