Explanation
- A
1 only
1 only. Statement 2 is also keyed: negligible river inflow.
- B
2 only
2 only. Statement 1 is also keyed: very little precipitation.
- C
Both 1 and 2
Both. Arid basin; almost no river discharge into the Red Sea.
- D
Neither 1 nor 2
Neither. Both statements hold on this paper.
Summary. Official key is (c) both. The Red Sea sits in an arid belt with very little rainfall. No major rivers empty into it; water exchange is mainly through the Bab el-Mandeb and the Suez Canal. High evaporation, not river input, shapes its salinity.
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.