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Prelims 2022 · Q70 · Relief, rivers & lakes

Consider the following pairs :

ReservoirsStates
1. GhataprabhaTelangana
2. Gandhi SagarMadhya Pradesh
3. Indira SagarAndhra Pradesh
4. MaithonChhattisgarh

How many pairs given above are not correctly matched ?

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Answer: C. Pair 1 is wrong: Ghataprabha reservoir is in Karnataka. Pair 2 is correct: Gandhi Sagar is on the Chambal in Madhya Pradesh. Pair 3 is wrong: Indira Sagar is on the Narmada in Madhya Pradesh. Pair 4 is wrong: Maithon is on the Barakar in Jharkhand. So three pairs are not correctly matched.

Watch for: The question asks for pairs NOT correctly matched; students often count the correct ones instead.

Why the other options are wrong
  • A. Wrong because three pairs are wrongly matched, not one.
  • B. Wrong because three pairs are wrongly matched, not two.
  • D. Wrong because Gandhi Sagar is correctly matched.

Source to check: Central Water Commission, National Register of Large Dams; NCERT Class 12 India: People and Economy, Chapter on Water Resources

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