ARD NABARD MAINS 2020 Quiz 3 : Soil Erosion and Conservation

Please enter your email:

1. Which of the following prevents afforestation in deserts:

Goat and grazing animals

Local resident

Unfertility of soil

Low rainfall

None of the above

2. Eroded soils are:

Rich in plant nutrients

Unaltered in plant nutrients

Devoid of plant nutrients

All of these

None of the above

3. Fifth of June is celebrated as:

World environment day

Darwin’s birthday

World health and hygiene day

World population day

None of the above

4. Mulching helps in:

Moisture conservation

Weed control

Improvement of soil structure

Increasing soil fertility

None of the above

5. The ecological equilibrium in mined areas can be achieved by:

Preventing soil erosion

Developing a vegetational cover

Preventing overgrazing

Introducing agriculture

None of the above

6. Agrostology is related with the study of:

Agricultural growth

Epiphytes

Grasses

Nematode disease

None of the above

7. What is the major cause of diminishing wild life?

Cannabalism

Habitat destruction

Felling of trees

Paucity of drinking water

None of the above

8. Rotation of crop is essential for:

Increasing fertility of soil

Increasing quality of protein

Getting different kinds of crops

Increasing quality of minerals

None of the above

9. Soil erosion can be reduced by:

Reducing over grazing

Planting proper plants

Making dams

All of these

None of the above

10. Soil erosion can be prevented by:

Deforestation

Heavy rains

Afforestation

Over grazing

None of the above