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Prelims 2024 paper

UPSC CSE Prelims 2024 · Question 23 · Biodiversity, plants & animals

Consider the following pairs: Brazil — Indri

Prelims 2024 · Q23

Biodiversity, plants & animals Medium

Consider the following pairs:

CountryAnimal found in its natural habitat
1.BrazilIndri
2.IndonesiaElk
3.MadagascarBonobo

How many of the pairs given above are correctly matched?

Answer & explanation

Answer: (d) None

Every pair is shuffled. The indri is a lemur that lives only in Madagascar, the bonobo is an African ape found in the Congo basin forests of the Democratic Republic of the Congo, and the elk is a large deer of North America and the cold uplands of Asia; none of them occurs wild in the country it is paired with.

  • ✗ 1. The indri (Indri indri), the largest of the lemurs, lives in the eastern rainforests of Madagascar and is Critically Endangered on the IUCN Red List. Lemurs do not occur naturally in South America, so Brazil is wrong.
  • ✗ 2. The elk (wapiti) is a large deer known from North America, where scientists call it Cervus canadensis, and it is also found in parts of Central and East Asia. Tropical Indonesia has no wild elk.
  • ✗ 3. The bonobo, or pygmy chimpanzee, is an African great ape; UNESCO notes it as a threatened species of Salonga National Park in the Democratic Republic of the Congo. Madagascar has no apes.

Remember · Indri = Madagascar (largest lemur). Bonobo = DR Congo only (Salonga NP). Elk/wapiti = North America and Central/East Asia. Madagascar has lemurs but no apes.

Sources

Question and answer: UPSC's official GS Paper I (2024, Series A) — paper ↗ · answer key ↗. Explanation: Minimalist IAS, checked 30 Sept 2026 (how we verify). ·

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