Soil and Its Formation

Q.

Give the importance of soil. Explain any three factors that are responsible for soil formation.

Q.

What type of crops are grown in desert soil?

Q.

Compare red and mountain soil.

Q. Match the type of soils with the ways in which they are formed:

1) Alluvial soil	A) Weathering and disintegration of volcanic rocks
2) Black soil	B) Sediments carried by the river
3) Laterite soil	C) Formed due to the presence of iron
	D) Heavy rainfall and leached-away minerals

1. 1-B; 2-A; 3-C
2. 1-B; 2-C; 3-D
3. 1-A; 2-C; 3-D
4. 1-B; 2-A; 3-D

Q. Write the formation of soil and explain the formation of Alluvial soil.

Q. S1: Alluvial soil is formed from the sediments deposited by the rivers in Indo-Gangetic plains. S2: Alluvial soil is formed by the sea waves in the coastal plain. Based on the statements given, select the most appropriate option from the following:

1. S1: True; S2: True
2. S1: True; S2: False
3. S1: False; S2: True
4. S1: False; S2: False

Q. ___ type of soil means brick in Latin.

1. Mountain soil
2. Red soil
3. Laterite soil
4. Alluvial soil

Q. ____ soil is found in inland areas, where there is poor drainage. This type of soil has salt content.

1. Saline
2. Marshy
3. Alkaline
4. Coastal

Q. S1: Alluvial soil is formed from the sediments deposited by the rivers in the Indo-Gangetic plains.

S2: Alluvial soil is formed by the sea waves in the coastal plain.

From the following, select the most appropriate option:

1. S1: True; S2: True
2. S1: True; S2: False
3. S1: False; S2: True
4. S1: False; S2: False

Q. Soil is formed due to:

1. Climatic changes
2. Natural vegetation
3. Magma beneath the Earth's crust
4. Parent rock

Q. X is a farmer and wants to grow wheat. Which type of soil will be suitable for cultivation of wheat?

1. Desert soil
2. Black soil
3. Alluvium soil
4. Laterite soil

Q. Which of the following crops can be grown in desert soil?

1. Bajra
2. Cotton
3. Tea
4. Wheat

Q. Soil consists of layers.

1. three
2. four
3. five