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Q32·GS Paper 1 · Prelims 2026

Western Hoolock Gibbons

EnvironmentBiodiversity & ConservationStatement-basedMediumStatic

Question

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

1A 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.
2They have specialized brachiation and can easily swing between trees.
3They possess a strong and heavy build like gorillas, yet are remarkably agile tree climbers.

Select the answer using the code given below :

Options

a

1 only

b

1 and 2

Answer
c

2 and 3

d

3 only

Explanation

Statements 1 and 2 are correct. The Western Hoolock Gibbon is an endangered ape native to the canopy forests of Northeast India, protected in reserves like Assam's Hoollongapar Gibbon Sanctuary. As small apes (gibbons), they are highly specialized brachiators that use long arms to swing gracefully through the upper canopy. Statement 3 is incorrect because gibbons are lightweight, slender-bodied small apes, unlike heavy quadrupedal great apes like gorillas.

The Western Hoolock Gibbon is a slender, endangered small ape native to Northeast India that uses specialized brachiation to move through the forest canopy.

Question details

Year

2026

Paper

GS Paper 1

Question

Q32

Subject

Environment

Sub-topic

Biodiversity & Conservation

Type

Statement-based

Difficulty

Medium

Nature

Static

Source hint

NCERT Geography Cl.11 India Physical Environment / Wildlife India Manuals

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