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Prelims 2016 · Q28 · Relief, rivers & lakes

Which of the following is/are tributary/tributaries of Brahmaputra?

  1. 1.Dibang
  2. 2.Kameng
  3. 3.Lohit

Select the correct answer using the code given below.

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Answer: D. Dibang and Lohit join the Brahmaputra system in Arunachal Pradesh/Assam, and Kameng (Jia Bharali) is a north-bank tributary in Assam. All three are tributaries. So 1, 2 and 3.

Watch for: Kameng is less well known, so students leave it out.

Why the other options are wrong
  • A. Wrong because Kameng and Lohit are also tributaries.
  • B. Wrong because Dibang is also a tributary.
  • C. Wrong because Kameng is also a tributary.

Source to check: NCERT Class 11 India: Physical Environment, Chapter 3 'Drainage System' (Brahmaputra system)

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