46. The percentage of total world’s precipitation, which is lost to the atmosphere through evaporation, approximates to:
(A) 57%
(B) 7%
(C) 37%
(D) 43%
Answer:
(A) 57%
Explanation:
A significant amount of the world’s precipitation returns to the atmosphere via evaporation, and 57% is a commonly cited approximation for this phenomenon.
47. The ancient water harvesting method used in Rajasthan is
(A) Surangams
(B) Kattas
(C) Kulhs
(D) Nadis
Answer:
(D) Nadis
Explanation:
Nadis are traditional ponds used for harvesting rainwater in the desert regions of Rajasthan.
48. Electronic waste is the adverse effect of:
(A) Industry
(B) Agriculture
(C) Housing
(D) Mining
Answer:
(A) Industry
Explanation:
Electronic waste, or e-waste, is a direct byproduct of the electronics industry and the consumption of its products.
49. The Forest (Conservation) Act was enacted in the year:
(A) 1986
(B) 1974
(C) 1980
(D) 1972
Answer:
(C) 1980
Explanation:
The Forest (Conservation) Act was passed in India in the year 1980 to help conserve the country’s forests.
50. The Women’s Population in the world is almost:
(A) Half
(B) One-fourth
(C) One-third
(D) One fifth
Answer:
(A) Half
Explanation:
The global population is split almost evenly between males and females, making the women’s population approximately half of the total.
