Soil Erosion

Q. Which of the following human activities cause soil erosion?

1. Deforestation
2. Overgrazing
3. Sports activities
4. Construction

Q. ________ erosion occurs in Chambal basin where it is called ravines.

1. Gully
2. Rill
3. Splash
4. Sheet

Q. Sometimes, running water cuts through clayey soils and makes deep channels known as .

1. canyons
2. gullies
3. valleys
4. bunds

Q. The resultant land created from Gully erosion is called _________.

1. bad land
2. forest land
3. barren land
4. coastal land

Q. __________ can be defined as the denudation of the soil cover and subsequent washing down of soil.

1. Weathering
2. Soil erosion
3. Soil calcination
4. Soil recovery

Q. Which of the following is not responsible for soil erosion?

1. Afforestation
2. Mining
3. Construction
4. Overgrazing

Q.

Which One Of The Following Is Not An Agent Of Soil Erosion?

1. Rain

2. Wind

3. Industries

4. Running water

Q.

Is it a good practice to remove grass and small plants that are growing in an open, unused field? Give a reason to support your answer.

Q.

Soil conservation measures are mainly aimed at protecting

1. Raising forests

2. Deforestation

3. Excessive use of fertilizer

4. Overgrazing by animals

Q. The method of constructing broad, flat steps along steep slopes to prevent soil erosion is called .

1. contour ploughing
2. terrace farming
3. mulching

Q. Soil erosion is regarded as the enemy of agriculture. What are the different types of soil erosion?

1. Sheet erosion
2. Parent rock erosion
3. Gully erosion
4. Landslide erosion

Q.

Describe the causes of soil erosion.

Q.

The soils which are carried and deposited by river and wind are called

1. Black soil

2. Residual soil

3. Transported soil

4. Insitu soil

Q. Which of the following has led to an increase in pollution, sedimentation, flooding, and loss of land fertility?

1. Formation of soil by weathering
2. Increasing the quality of soil by adding fertilisers
3. Transportation of soil from one place to another by wind
4. Denudation of soil cover and its washing down

Q. What is the process by which the thin layer of soil required for plant growth and sustenance of various lifeforms gets destroyed due to deforestation, wind, and rainfall known?

1. Soil erosion
2. Soil degradation
3. Soil formation
4. Soil denaturation

Q. X visits his drought hit village and realises that the ground water level has gone down. The soil has lost its moisture content. He concludes that this degradation of soil is due to soil erosion. What are the probable factors that has led X to conclude the prevalence of soil erosion?

1. Loss of soil fertility
2. Vegetation cover has dried and led to drought
3. Change in the color of soil and texture
4. Hybrid crops are grown in the field

Q. ________ erosion involves removal of thin layers of soil one after another over a period of time.

1. Rill
2. Splash
3. Sheet
4. Gully

Q. How agriculture is carried out in the steep mountains of Asia.

Q. S1: Soil erosion affects the economy. S2: Soil is an important natural resource because agriculture depends on soil quality. Based on the statements given, select the most appropriate option from the following:

1. S1 is true, S2 is true; S2 is the explanation of S1
2. S1 is true, S2 is true; S2 is not the explanation for S1
3. S1 is true, S2 is false
4. S1 is false, S2 is true