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Prelims 2019 · Q38 · Relief, rivers & lakes

Consider the following pairs :

GlacierRiver
1. BandarpunchYamuna
2. Bara ShigriChenab
3. MilamMandakini
4. SiachenNubra
5. ZemuManas

Which of the pairs given above are correctly matched?

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Answer: A. Pair 1 is correct: the Yamuna rises from the Yamunotri glacier on the Bandarpunch massif. Pair 2 is correct: Bara Shigri feeds the Chandra river, a headstream of the Chenab. Pair 3 is wrong: Milam glacier feeds the Goriganga, not the Mandakini. Pair 4 is correct: Siachen feeds the Nubra. Pair 5 is wrong: Zemu glacier feeds the Teesta, not the Manas. So 1, 2 and 4.

Watch for: Mandakini and Manas are real Himalayan rivers, so the wrong pairs look believable.

Why the other options are wrong
  • B. Wrong because Milam feeds the Goriganga.
  • C. Wrong because Zemu feeds the Teesta.
  • D. Wrong because both Milam and Zemu are wrongly matched.

Source to check: NCERT Class 11 India: Physical Environment, Chapter 3 'Drainage System'; Geological Survey of India glacier inventory

Answer from the official UPSC key. Written and fact-checked by AI against the official key. Spotted a mistake? Report it.