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UPSC Prelims GS - 2018
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Solution
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Section-1
(+ 2
, -0.66
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Question 81
MEDIUM
Correct: +2
Incorrect: -2
Which of the following is/are the possible consequence/s of heavy sand mining in river beds?
1. Decreased salinity in the river
2. Pollution of groundwater
3. Lowering of the water-table
Select the correct answer using the code given below:
a
1 only
b
2 and 3 only
c
1 and 3 only
d
1, 2 and 3