Soil Erosion and Soil Pollution

Q. The method of growing crops on graduated steps on the slopes of hills and mountains is called farming.

1. organic
2. terrace
3. indoor

Q.

Soil erosion will be greater in places with no trees and plants.

1. True

2. False

Q.

Crop rotation is carried out for

1. increasing acidity of soil

2. decreasing fertility of soil

3. increasing fertility of soil

4. all the above

Q.

Select the articles from the following list which are biodegradable.

1. Paper

2. Woollen clothes

3. Wood

4. Aluminium can

5. Plastic bag

6. Peels of vegetables

Q. (I) Plastics are non-biodegradable and cause soil and water pollution

(II) The use of plastics should be avoided

Identify the correct option out of the following.

1. Both (I) and (II) are correct and (II) is the correct explanation of (I)
2. Both (I) and (II) are correct but (II) is not the correct explanation of (I)
3. (I) is incorrect and (II) is correct
4. Both are incorrect

Q.

List the biodegradable and non-biodegradable waste products in your school. What are the best ways to get rid of this garbage?

Q.

Soil erosion can be prevented by:

1. Deforestation

2. Afforestation

3. Overgrazing

4. Removal of vegetation

Q.

Which of the following substance is a non-biodegradable waste?

1. Food Waste

2. Paper Waste

3. Aluminium Cans

4. Manure

Q.

Which of the following statement regarding chemical pesticides is not true?

1. It kills earthworms.

2. It kills crop-eating insects.

3. It improves the quality of groundwater.

4. It increases the crop yield.

Q.

Biodegradable waste is-

1. Polythene bags

2. Broken glass and crockery

3. Livestock

4. Discard plastic

Q. Aquifer is a source of groundwater.

1. False
2. True

Q. What is advantage using groundwater as a source of drinking water?

Q. Which amongst the following measures help in controlling soil pollution?

1. Throwing garbage on soil
2. Using chemical fertilizer
3. Releasing industrial waste in soil
4. Reducing usage of plastic

Q.

Megha's village was facing the problem of soil erosion. Choose the measures from the given options which you will suggest the people living in that village to prevent the soil erosion?

1. Afforestation

2. More usage of pesticides

3. Overgrazing

4. Making farmland boundaries.

Q. For a certain sample it took 20 minutes for 200 ml to percolate. So what will be the rate of percolation?

1. 110 mL / min
2. $\frac{1}{10}$ml/min
3. 10 mL/ min
4. 200 ml /min

Q. Which of the following will help to control soil pollution?

1. Use of organic fertiliser
2. Deforestation
3. Use of excessive chemicals
4. Overgrazing

Q. Cultivating legumes and paddy in the same area in sequenced seasons is an example of.

1. mixed farming
2. crop rotation
3. organic farming

Q.

Dumping of waste is better suited for non- biodegradable wastes.

1. True
2. False

Q.

________is the systematic cultivation of different crops in a proper sequence in different seasons on the same land.

Q. Which among the following does not contribute to soil pollution?

1. Indiscriminate use of fertilizers
2. Burying of plastics in the soil
3. Dumping of wastes in soil
4. Planting of crops in soil

Q.

Why are plastic bags considered bad for soil?

1. They change the texture of the soil

2. They change the natural chemistry of the soil and kill organisms living in the soil

3. Soil becomes too heavy

4. Soil becomes uneven in texture

Q. What is soil erosion? What are the agents that bring about soil erosion?

Q.

What are various advantages of water stored in the ground?

Q.

The washing away of the top layer of the soil is known as _____.

1. Soil Erosion

2. Running Soil

3. Dirty Liftoff

4. Dirt Cycles

Q.

A lot of dry leaves are collected in a school garden and are burnt every day. Do you think that it is right to do so? If not, what should be done to dispose of the dry leaves?

Q. Aquifer is a source of groundwater.

1. True
2. False

Q. The removal of the topmost fertile layer of soil is called soil _______.

1. erosion
2. disintegration
3. formation
4. culture

Q. Nowadays, the usage of bioplastics is promoted more than ordinary plastics because:

1. All bioplastics are biodegradable or compostable.
2. Bioplastics break down under the influence of natural elements.
3. Compostable products can be turned into compost within six months.
4. They are more aesthetically pleasing.

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 carrying away of the upper fertile layer of the soil by wind or water is called soil erosion.

1. True
2. False