Questions
Question 1 Multiple Choice (Single Answer)
Which of the following fields of science deals with the study of soil?
- Entomology
- Soil biology
- Pedology
- Aerobiology
Question 2 Multiple Choice (Single Answer)
Which of the following factors does not contribute in the improvement of quality of soil?
- Manure
- Soil organisms
- Afforestation
- Overgrazing
Question 3 Multiple Choice (Single Answer)
Which of the following statements is not correct?
- Humans can impact soil formation by removing vegetation.
- Microorganisms help in increasing the soil fertility.
- Vegetation cannot prevent soil erosion.
- Growth of plants is affected by the density and pH of the soil.
Question 4 Multiple Choice (Single Answer)
Which of the following factors contribute to different colours of the soil?
- Soil erosion
- Soil mineralogy
- Soil biodiversity
- Microorganism
Question 5 Multiple Choice (Single Answer)
Which of the following characteristics holds true for clay?
- It is a mixture of large and small rocks.
- It contains adequate air space.
- It contains less humus.
- It has a good water holding capacity.
Question 6 Multiple Choice (Single Answer)
The formation of gravels take place
- by the erosion of cobbles
- by rivers
- by erosion of rocks
- by ocean
Question 7 Multiple Choice (Single Answer)
Which horizon of soil is called bed rock?
- O-horizon
- A-horizon
- B-horizon
- R-horizon
Question 8 Multiple Choice (Single Answer)
What should be added to soil if it is alkaline in nature?
- Lime
- Calcium carbonate
- Peat
- Water
Question 9 Multiple Choice (Single Answer)
Which of the following factors does not cause soil pollution?
- Dumping of plastic and glass objects
- Use of pesticides
- Decaying material of plants
- Spraying of insecticides
Question 10 Multiple Choice (Single Answer)
Soil erosion can be prevented by
- afforestation
- overgrazing
- forest fire
- frequent floods