Coal and Petroleum

Q.

Describe how modern adaptations of traditional rainwater harvesting methods are being carried out to conserve and store water.

Q.

Khadins, Bundhis, Ahars, and Kattas are ancient structures that are examples of

1. Grain storage

2. Wood storage

3. Water harvesting

4. Soil conservation

Q.

Which water harvesting structures are found in Karnataka?

Q.

Mineral that can generate energy

Q.

List two activities of man which lead to environmental pollution.

Q.

Carbon dioxide is the major component of greenhouse gases.

1. True
2. False

Q.

Mention any three causes of soil pollution.

Q.

Which of these is an example of fossil fuel?

1. Coal

2. Petroleum

3. Natural gas

4. All of these

Q.

Which is the main chemical element present in coal and petroleum?

Q.

In which region of India khadins are used for water harvesting?

1. Rajasthan

2. Maharashtra and Uttar Pradesh

3. Madhya Pradesh and Bihar

4. Uttar Pradesh and Madhya Pradesh

Q.

Various materials which are obtained from nature are called natural resources. Which of the following is not a natural resource?

1. Minerals

2. Water

3. Soil

4. Plastic

Q. Identify greenhouse gas from the given options:

1. $C{O}_2$
2. $O_2$
3. $N_2$
4. $C{l}_2$

Q.

Name the water harvesting system in Rajasthan.

Q.

Name a water harvesting structure in Rajasthan.

Q.

With the help of a diagram, explain the Khadin water harvesting system.

Q. Identify an inexhaustible natural resource from the following.

1. Coal
2. Petroleum
3. Sunlight
4. Minerals

Q. Coal and petroleum were formed by-

1. Decomposition of biomass
2. Assimilation of organic molecules
3. Assimilation of inorganic molecules
4. Assimilation of organic and inorganic molecules

Q.

Your school is less than a kilometre from your house. Your neighbourhood friend who attends the same school, comes to the school by a car every day. How do you think he can contribute towards reduction of air pollution ? Write any three suggestions.

Q. (a) ____ is a blackish solid fossil fuel that occurs inside the Earth.

(b) Petroleum extracted from Earth is called _____

(c) ____ is a source of several chemicals and dyes.

Select the correct option to complete the given statements.

1. 
   (i) Paraffin, (ii) Diesel, (iii) Coal
2. 
   (i) Coal, (ii) Crude oil, (iii) Asphalt
3. 
   (i) Asphalt, (ii) Kerosene, (iii) Coal
4. 
   (i) Coal, (ii) Kerosene, (iii) Paraffin

Q.

Why do lichens not occur in Mumbai whereas they occur in Manali and Ooty?

Q.

Name the major greenhouse gases of the atmosphere with their contributions.

Q. Which one of the following is the incorrect statement?

1. Coal and Petroleum lasts forever
2. Coal and Petroleum formed by decomposition of biomass
3. Coal and petroleum are not the example of inexhuastable resources
4. Coal and petroleum are not man made resources

Q. Coal and Petroleum are the best example of

1. In-exhaustible natural resources
2. Exhaustible natural resources
3. Both (a) and (b)
4. Exhaustible synthetic resources

Q.

Which of the following is a gas released by the usage of petroleum and coal but not poisonous?

1. Carbon monoxide

2. Sulphur dioxide

3. Carbon dioxide

4. Nitrogen oxide