Environmental Science (3110007) MCQs

MCQs of concepts of 4R Principles

Showing 1 to 10 out of 16 Questions
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1.

What are the two forms of alcohol are included in biofuels?

(a)

Ethanol and methanol
(b)

Ethanol and propanol
(c)

Methanol and propanol
(d)

None of the above
Answer:

Option (a)

2.

What is the world's largest potential source of biomass energy?

(a)

Animal waste
(b)

Industrial waste
(c)

Fibrous waste of the paper industry
(d)

Fibrous waste of the sugar industry
Answer:

Option (d)

3.

The 3R principle is in which of the following order:

(a)

Reduce, Reuse, Recycle
(b)

Reuse, Reduce, Recycle
(c)

Recycle, Reuse, Reduce,
(d)

None of the above
Answer:

Option (a)

4.

4R principle consist of

(a)

Reduce – Reuse – Recycle – Recover
(b)

Refuse – Reuse – Recycle – Recover
(c)

Reduce – Reuse – Recycle – Remix
(d)

Reduce – Reuse – Recycle – Reproduce
Answer:

Option (a)

5.

Which of the following is non metal?

(a)

Sodium
(b)

Phosphorous
(c)

Magnesium
(d)

Calcium
Answer:

Option (b)

6.

Which of the following is known as “Black gold”?

(a)

Coal
(b)

Coke
(c)

Petroleum
(d)

All of the above
Answer:

Option (c)

7.

The type of combustion in which a material suddenly bursts into flames, without the application of any apparent cause is called

(a)

Spontaneous combustion
(b)

Rapid combustion
(c)

Explosion
(d)

None of the above
Answer:

Option (a)

8.

Which of the following is thermosetting plastic?

(a)

Polythene
(b)

PVC
(c)

Melamine
(d)

Nylon
Answer:

Option (c)

9.

The hottest part of a candle flame is

(a)

Outer zone
(b)

Middle zone
(c)

Innermost zone
(d)

None of the above
Answer:

Option (a)

10.

To Which following does the 4 R principal most?

(a)

Synthetic fiber
(b)

Natural Fiber 
(c)

Metal 
(d)

Plastic
Answer:

Option (d)

Showing 1 to 10 out of 16 Questions
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