Question

Exercise Time
2.
Name
Write
How
3.
A.
Tick (/) the correct alternative:
d. Shifting cultivation
a. Strip cropping
b. Inter-cropping C. Crop rotation
5. Wh
6. Dis
7. W
8. Su
c. Organic matter d. None of these
a. Time
b. Soil texture
3. What portion of earth is covered with water?
a. 30 per cent b. 50 per cent C. 70 per cent
Lons
d. 80 per cent
2.
3.
a. Rock dams
c. Terrace cultivation
5-
a. Leaching
6
b. Cover crops
d. Shelter belts
5. Which of the following methods help soil to regain its fertility?
b. Fallowing
c. Overgrazing
d. Deforestation
6. Which of the following activities does not help in the conservation of water resources?
b. Treating polluted water
d. Rain-water harvesting
Sprinkle irrigation
Excessive use of tubewells
C.
B.
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.
3. Human interference and changes of climate can maintain the ecosystem.
4. Terrace farming is parctised in hilly areas.
5. Saline water is fit for human consumption.
6. Soil is usually classified as a non-renewable resource.
1. Growing different crops in the same area in sequential seasons is called
2. Which of the following is not a factor that affects soil formation?
4. Which of the following methods is most useful for checking soil erosion on the steep slopes?​

Answer 1

Answer:

3. b

3. c) 70%excat is 71%

Explanation:

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