Removal of the soil by the action of wind and water is known as

(1) Erosion

(2) Fossilization

(3) Leaching

(4) Calcification

Domestic waste will lead to : 

1. Biodegradable pollution

2. Nondegradable pollution

3. Thermal pollution of soil

4. Air pollution

Soil erosion is greater when

(1) No rain occurs

(2) Winds do not blow

(3) The rainfall is evenly distributed

(4) The Rainfall is received in heavy down pour

Soil erosion can be prevented by : 

1. Overgrazing

2. Removal of vegetation

3. Afforestation (Plantation)

4. Increasing bird population

Soil conservation is the process where

1. Soil is aerated

2. Soil erosion is allowed

3. Soil is protected against loss

4. Sterile soil is converted into fertile soil

Phosphate-containing fertilizers cause water pollution. The addition of such compounds in water bodies causes-

Choose the correct option
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)

What is the process involved for a good produce in the treatment of bad odour, flies, and recycling of waste?

1. It should be kept covered.

2. The recyclable waste should not be dumped in the compost-producing pit.

3.  It should be sent to the industries through vendors for recycling. 

4. All of the above.

The correct statement about domestic waste is :

The major source(s) of soil pollution is/are:

1. Industrial waste.

2. Fertilizers and pesticides.

3. Organic compost.

4. Both (1) are (2)

The example(s) of pesticide is/are-

1. Aldrin

2. Sodium chlorate

3. Dieldrin

4. Both (1) and (3)