Question

Exercise Time
a.
a.
a.
a.
C.
Tick (7) the correct alternative:
1. Growing different crops in the same area in sequential seasons is called
Strip cropping
b. Inter-cropping c. Crop rotation d. Shifting cultivation
2. Which of the following is not a factor that affects soil formation?
Time
b. Soil texture
c. Organic matter d. None of these
3. What portion of earth is covered with water?
30 per cent b. 50 per cent
Cr 70 per cent d. 80 per cent
4.
Which of the following methods is most useful for checking soil erosion on the steep slopes?
Rock dams
b. Cover crops
Terrace cultivation
d. Shelter belts
5. Which of the following methods help soil to regain its fertility?
a. Leaching
b. Fallowing
c. Overgrazing d. Deforestation
6. Which of the following activities does not help in the conservation of water resources?
Sprinkle irrigation
b. Treating polluted water
c. Excessive use of tubewells
d. Rain-water harvesting
Write 'T' for true and 'F' for false statements:
1. Water scarcity in India is increasing.
2. Rows of different crops planted in a farm is called 'shelter belt'.
of climate can maintain the ecosystem.​

Answer 1

1. C. Crop rotation

2. D. None of these

3. C. 70%

4. C. Terrace cultivation

5. A. Leaching

6. C. Excessive use of tubewells

1. True

2.false