Soil Pollution

Q. What is soil pollution?

1. It is the decrease in the quantity of soils either due to human sources or natural sources or by both.
2. It is the decrease in the quality of soils due to human sources only.
3. It is the decrease in the quality of soils due to natural sources only.
4. It is the decrease in the quality of soils either due to human sources or natural sources or by both.

Q. Identify the sources of soil pollution from the following.

1. Industrial waste
2. Mining waste
3. Nuclear waste
4. Space waste

Q. Which of these cannot be a measure to control soil pollution?

1. Uncontrolled use of pesticides and insecticides.
2. Proper disposal of wastes.
3. Proper usage of land.
4. Carrying out awareness programmes on soil utilization.

Q. The addition of harmful or toxic chemicals to the soil is called _________.

1. soil pollution
2. soil weathering
3. soil formation
4. desertification

Q. The addition of harmful or toxic chemicals to the soil is called _________.

1. soil pollution
2. soil formation
3. desertification
4. soil weathering

Q. The addition of harmful or toxic chemicals to the soil is called _________.

1. soil pollution
2. desertification
3. soil weathering
4. soil formation

Q. The addition of harmful or toxic chemicals to the soil is called _________.

1. soil pollution
2. soil weathering
3. soil formation
4. desertification

Q. Match the types of pollution with the most suitable causes.

1. Air pollution
2. Untreated sewage
3. Water pollution
4. Fertilisers
5. Vehicular smoke
6. Soil pollution

Q. Soil pollution is caused by the removal or addition of substances which degrades:

1. Soil fertility
2. Sea level
3. Quality of plants
4. Groundwater

Q. Soil pollution is caused by the removal or addition of substances which decrease(s):

1. Quality of soil
2. Quality of plants
3. Quality of groundwater
4. Quality of sea water