Soil Erosion and Conservation

Q. Which of these factors are responsible for soil erosion?

1. Landslides
2. Overgrazing
3. Rain wash
4. Afforestation

Q. Which of these methods can be used for conservation of soil in both planes and on hills?

1. Terrace farming
2. Intercropping
3. Construction of rock dams
4. Mulching

Q.

What are the Soil Conservation techniques?

Q. The reduction in quality of soil is called ________ .

1. soil degradation
2. soil erosion
3. soil regeneration
4. soil conservation

Q. The way of arresting soil erosion by making broad flat steps along the steep slopes is called _______ .

1. Contour ploughing
2. Mulching
3. Contour barrier
4. Terrace farming

Q. Under which scheme are works like construction of farm bunds, arresting waters of small streams, connecting the streams etc. being carried out on a large scale in Maharashtra?

1. Watershed development program
2. Jalshakti Shivar
3. Janshakti Shivar
4. Jalayukt Shivar

Q. Increase in the vegetation cover is an effective way to prevent the occurrence of which of the following disasters?

1. Volcanic Eruption
2. Earthquakes
3. Landslides
4. Nuclear explosion

Q. Large scale of planting of trees is called
(a) afforestation
(b) deforestation
(c) soil erosion
(d) soil pollution

Q. The process by which land is ploughed along lines joining points of the same height along the mountain slopes is called _______.

1. Hill ploughing
2. Mountain ploughing
3. Hachure ploughing
4. Contour ploughing