NSO Level 1- Science Olympiad (SOF) Class 8: Questions 141 - 144 of 1076

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Question number: 141

» Coal and Petroleum

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MCQ▾

Question

Read the following statements carefully:

X: It is a thick black coloured liquid which is obtained from coal.

Y: It was used to earlier in railway engines to produce steam to run trains.

Z: It is used to run heavy vehicles such as buses, trucks, tractors etc.

X, Y and Z respectively are

Choices

Choice (4) Response

a.

Coal tar, Coal, Diesel

b.

Coal, Paraffin wax, Petrol

c.

Coke, Coal tar, Kerosene

d.

Coke, Coal, Coal tar

Question number: 142

» Coal and Petroleum

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MCQ▾

Question

Fossils fuels, fuelwood and nuclear energy are the examples of ________ sources of energy while solar energy, air and tides are examples of ________ sources of energy.

Choices

Choice (4) Response

a.

Renewable, non-renewable

b.

Renewable, Renewable

c.

Non-renewable, renewable

d.

Non-renewable, non-renewable

Question number: 143

» Coal and Petroleum

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MCQ▾

Question

I am a fuel and complex mixture of solid, liquid and gaseous hydrocarbons. I am used as household fuel and used as in light automobiles and some byproducts after purification are used in the preparation of medicines, ointments, face creams and cosmetics. I am ________.

Choices

Choice (4) Response

a.

Petroleum

b.

Natural gas

c.

Coal gas

d.

Question does not provide sufficient data or is vague

Question number: 144

» Coal and Petroleum

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MCQ▾

Question

Read the given statements and select the correct option.

Statement 1: Inexhaustible natural sources are those which are present in limited quantity in nature.

Statement 2: Inexhaustible natural sources are exhausted by human activities after some time; examples are forest, wildlife, coal, petroleum and natural gas.

Choices

Choice (4) Response

a.

Statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.

b.

Statement 1 is true and statement 2 is false.

c.

Statements 1 and 2 are false.

d.

Statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.

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