One Mark Questions Answers

EXERCISE

I. Choose the correct answer

1. Manganese is used in______.

a) Storage batteries

b) Steel Making

c) Copper smelting

d) Petroleum Refining

Ans: (b)

2. The Anthracite coal has ___________.

a) 80 to 95% Carbon

b) Above 70% Carbon

c) 60 to 70% Carbon

d) Below 50% Carbon

Ans: (a)

3. The most important constituents of petroleum are hydrogen and

a) Oxygen

b) Water

c) Carbon

d) Nitrogen

Ans: (c)

4. The city which is called as the Manchester of South India is

a) Chennai

b) Salem

c) Madurai

d) Coimbatore

Ans: (d)

5. The first Nuclear Power station was commissioned in

a) Gujarat

b) Rajasthan

c) Maharashtra

d) Tamil nadu

Ans: (c)

6. The most abundant source of energy is

a) Bio mass

b) Sun

c) Coal

d) Oil

Ans: (b)

7. The famous Sindri Fertilizer Plant is located in

a) Jharkhand

b) Bihar

c) Rajasthan

d) Assam

Ans: (a)

8. The nucleus for the development of the chotanagpur plateau region is

a) Transport

b) Mineral Deposits

c) Large demand

d) Power Availability

Ans: (b)

II. Match the following

1. Bauxite - Cement

2. Gypsum - Aircraft

3. Black Gold - Electrical goods

4. Iron ore - Coal

5. Mica - Magnetite

Answer:

1. Bauxite - Aircraft

2. Gypsum - Cement

3. Black Gold - Coal

4. Iron ore - Magnetite

5. Mica - Electrical goods