Question

Multiple choice questions
Q.1 Name the following is a renewable source of energy?
(a) Coal
(b) Petroleum
(c) Water
(d) Natural gas

Question 2.
Which of the following is a non-renewable source of energy?
(a) Water
(b) Coal
(c) Soil
(d) Sun

Question 3.
Plastic is a
(a) natural material
(b) man-made material
(c) both (a) & (b)
(d) none of these

Question 4.
Fossil fuels are
(a) coal
(b) petroleum
(c) natural gas
(d) all of these

Question 5.
The word 'coal' is derived from the old English term
(a) col
(b) coke
(c) coco
(d) none of these

Question 6.
Which of the following minerals is present in coal?
(a) Hydrogen
(b) Oxygen
(c) Sulphur
(d) All of these

Question 7.
Naphthalene balls are used as
(a) mosquito repellant
(b) moth repellant
(c) snake repellant
(d) bee repellant

Question 8.
How much percentage of carbon is present in bituminous?
(a) 20 – 25%
(b) 25 – 35%
(c) 65 – 85%
(d) 98%

Question 9.
The process of conversion of wood into coal is called
(a) carbonisation
(b) catagenesis
(c) carboniferous
(d) none of these

Question 10.
Petroleum is also known as
(a)coke
(b) black gold
(c) tar
(d) none of these​

Answer 1

Answer:

Q.1(Ans):C

Q.2(Ans):B

Q.3(Ans):B

Q.4(Ans):D

Q.5(Ans):A

Q.6(Ans):C

Q.7(Ans):A

Q.8(Ans):C

Q.9(Ans):A

Q.10(Ans):B

Answer 2

Answer:

Following are the answers to the questions asked:

1. (c) water
2. (b) coal
3. (b) man-made material
4. (d) all of these
5. (a) col
6. (d) all of these
7. (b) moth repellant
8. (c) 65-85%
9. (a) carbonization
10. (b) black gold

Explanation: Now following is the one sentence explanation of the answers above-mentioned:

1. Apart from water every other option is a non-renewable resource.
2. Only coal is a non-renewable source, because its in limited amount and cannot be replenished quickly.
3. Plastic is a man-made material with is technologically processed in industries.
4. Fossils are the resources made out of dead matter. So all three, coal, petroleum, and natural gas were formed over millions of years under extreme pressure and temperature.
5. Col was the term of old English which had genesis from proto-Germanic.
6. Coal is formed out of different minerals, these three being among them.
7. Naphthalene balls are derived from coal-tar which are used to protect clothes from moths and insects.
8. Bituminous majorly comprises of carbon, which is around 84%.
9. Wood is slowly converted to coal when subjected to extreme heat and temperature over the years.
10. Since petroleum is black in color when extracted, and its valuable properties, its often referred as black gold.