Why is crop rotation necessary?
A. To increase the fertility of soil
B. To increase the quantity of minerals
C. To reduce the quantity of proteins
D. To plough various types of crops
Answer: Option A
A. To increase the fertility of soil
B. To increase the quantity of minerals
C. To reduce the quantity of proteins
D. To plough various types of crops
Answer: Option A
Which of the following is not a cause of soil erosion?
A. Drainage
B. Deforestation
C. Weathering
D. Grazing
Which of the following is not a tropical type of soil?
A. Red soil
B. Desert soil
C. Black soil
D. Brown soil
Extensive subsistence agriculture is ________
A. Farming on the slopes of Western Ghats
B. Farming in the thickly populated areas
C. Farming in the thinly populated areas
D. Farming in the forests of equatorial region
Join The Discussion