Question 1

Which process causes breaking of rocks?

Weathering
Raining
Thundering
Grinding

Answer

Correct Option: A

Question 2

Which layer of Earth's crust is known as soil?

Deepest layer
Upper layer
Mid layer
None of these

Answer

Correct Option: B

Question 3

Which type of soil is rich in humus?

Sandy soil
Clayey soil
Loamy soil
Both sandy and clayey soil

Answer

Correct Option: C

Question 4

Which of the following type of rocks has the smallest size particles?

Clay
Silt
Sand
Gravel

Answer

Correct Option: A

Question 5

What is the disadvantage of the sandy soil?

It cannot hold much water.
It provides air to the growing plant species.
It can be plunged very easily.
Its fertility can be increased.

Answer

Correct Option: A

Question 6

Which of the following soil type is transported by wind?

Alluvial soil
Sandy soil
Colonial soil
Glacial soil

Answer

Correct Option: B

Question 7

Which of the following organisms do not decompose the organic matter in the soil?

Fungi
Plants
Bacteria
Earthworm

Answer

Correct Option: B

Question 8

Which of the following is a biotic component that affects the fertility of soil?

pH
Air content
Fertilisers
Plant

Answer

Correct Option: D

Question 9

What should be added to soil, if it is alkaline in nature?

Lime
Calcium Carbonate
Peat
Water

Answer

Correct Option: C

Question 10

Which horizon of soil is called bed rock?

O - horizon
A - horizon
B - horizon
R - horizon

Answer

Correct Option: D

Question 11

Which of the following is the most fertile layer of soil?

Top soil
Subsoil
Bedrock
Parent rock

Answer

Correct Option: A

Question 12

The downward movement of water through soil due to gravitational force is called

Absorption
Percolation
Moisture
Osmosis

Answer

Correct Option: B

Question 13

Which of the following statement is true for top soil?

It is harder and more compact layer.
It contains less living organism.
It contains humus.
It is less fertile

Answer

Correct Option: C

Question 14

Which of the following does not cause soil erosion?

Deforestation
Overgrazing
Floods
Composting

Answer

Correct Option: D

Question 15

Which of the following statements is incorrect?

Soil with poor percolation will hold too much water for a long time.
Higher the absorption of water by soil, lower is it availability to plants.
For proper plant growth, it is important to check percolation rate of water in soil.
Soil has some amount of water present inside it as moisture.

Answer

Correct Option: B

Question 16

Which of the following correctly defines the term 'soil erosion'?

Absorption of large amount of water by soil
Removal of top layer of soil
Adding fertilisers to the soil
Infertility of soil

Answer

Correct Option: B

Question 17

Which of the following does not prevent soil erosion?

Afforestation
Terrace farming
Excessive use of fertilisers
Construction of embankments

Answer

Correct Option: C

Question 18

Which of the following factors affects the formation of soil?

Type of vegetation
Type of organisms
Slope of land
Rainfall pattern

Answer

Correct Option: C

Question 19

Which of the following types of soil is gritty and pale brown in colour?

Sandy soil
Clayey soil
Loamy soil
Black soil

Answer

Correct Option: A

Question 20

Which of the following soils is the best for plant growth?

Sandy
Clay
Loamy soil
Gravel

Answer

Correct Option: C

Description: Soil
Number of Questions: 20
Created by: Rachana Sahu
Tags: Soil Electricity and Circuits Agriculture

Soil

Find more quizzes from top tags