46.

Which of the following measures are effective for soil conservation in India? I.Avoiding crop rotation II.Afforestation III.Encouraging the use of chemical fertilizers IV.Limiting shifting cultivation

A. I and II B. II and IV
C. III and IV D. I, II and III
Answer:B
Explanation: No answer description available for this question.

47.

Which of the following crops needs maximum water per hectare?

A. Barley B. Maize
C. Sugarcane D. Wheat
Answer:C
Explanation: No answer description available for this question.

48.

The watershed between India and Myanmar is formed by

A. the Naga hills B. the Garo hills
C. Khasi hills D. the Jaintia hills
Answer:A
Explanation: No answer description available for this question.

49.

The originating in the Himalayan mountain complex consists of how many distinct drainage systems of the Indian Subcontinent?

A. Two B. Three
C. Four D. Five
Answer:B
Explanation: No answer description available for this question.

50.

The percentage of India's total population employed in agriculture is nearly

A. 40% B. 50%
C. 60% D. 70%
Answer:D
Explanation: No answer description available for this question.