Conservation of natural resources

Q. How much of the Earth's surface is covered by land ?

1. 10%
2. 90%
3. 30%
4. 50%

Q. Which source of energy is used to drive a car ?

1. Petrol
2. coal
3. water
4. wind

Q. Identify the non-renewable sources of energy from the following :

1. hydel
2. geothermal
3. coal
4. petroleum

Q.

Water is an important man-made resource.

1. True
2. False

Q. Select the metallic minerals from the following:

1. Iron
2. Coal
3. Bauxite
4. Salt

Q.

Which of the following is not a natural resource?

1. Mango tree

2. Snake

3. Wind

4. Wooden house

Q. Which of the following results in the depletion of resources?

1. Clearing of forests
2. Mining of coal
3. Building of wind mills
4. Dumping industrial waste in water

Q. Which of the following resources need not be conserved?

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

Q. Choose the correct option which denotes the true statement(s) about conservation programmes.

A. They serve to protect the ecosystem from destruction.
B. They prevent the depletion of natural resources.
C. They maintain the population of endangered plant and animal species.

1. A only
2. A and B
3. A, B and C
4. B and C

Q. Using resources judiciously and giving them time to get renewed is called resource conservation.

1. True
2. False

Q.

the percentage of earth surface covered by india is

Q.

Which one of the following is renewable resource ?

1. Water

2. Metals

3. Fossil fuels

4. All the above

Q.

differefnce b/w commercial sources of energy non-commercial sources of energy.

Q. The proportion of water on the surface of the earth is less than the proportion of land.

1. True
2. False