With respect to the Western Hoolock Gibbons, which of the following statements is/are correct?

1. A Sanctuary in North-east India is home to this ape species listed as Endangered in the International Union for Conservation of Nature (IUCN) Red List.
2. They have specialized brachiation and can easily swing between trees.
3. They possess a strong and heavy build like gorillas, yet are remarkably agile tree climbers.

Question

With respect to the Western Hoolock Gibbons, which of the following statements is/are correct?

1. A Sanctuary in North-east India is home to this ape species listed as Endangered in the International Union for Conservation of Nature (IUCN) Red List.

2. They have specialized brachiation and can easily swing between trees.

3. They possess a strong and heavy build like gorillas, yet are remarkably agile tree climbers.

Quintessence Classes · Accepted Answer

The correct answer is 1 and 2. Explanation of the Statements:Statement 1 is correct: The Hoolock Gibbon is the only ape species found in India, specifically in the Northeast. The Hoollongapar Gibbon Sanctuary in Assam is a famous protected area dedicated to them. The Western Hoolock Gibbon is currently listed as Endangered on the IUCN Red List.Statement 2 is correct: Gibbons are famous for brachiation—a specialized form of arboreal locomotion where they use their long arms to swing from branch to branch through the forest canopy.Statement 3 is incorrect: Gibbons do not possess a strong and heavy build like gorillas. In fact, they are lesser apes, characterized by their lightweight, slender bodies, and elongated arms, which are perfectly adapted for agility and swinging through trees. Gorillas are great apes that spend most of their time on the ground due to their massive weight.

Answer

1 only

Answer

2 and 3

Answer

3 only

Answer & Explanation

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UPSC CSE 2026 Prelims

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