A
1 and 2 only
B
2 and 3 only
C
1 and 3 only
D
1, 2 and 3
Correct answer: (a) 1 and 2 only
Explanation
The correct option is marked above. The WRAP explanation for this question will be uploaded soon.
Same topic · past papers
UPSC has asked this before
These previous-year questions sit on the same topic. Open one to practise the earlier ask.