UPSC CSE Prelims
Question 1
With respect to the Western Hoolock Gibbons, which of the following statements is/are correct?
- 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.
- They have specialized brachiation and can easily swing between trees.
- They possess a strong and heavy build like gorillas, yet are remarkably agile tree climbers.
Select the answer using the code given below :
View correct answer and explanation
Correct answer: B
Correct Option: B
Explanation: Western hoolock gibbons inhabit north-eastern Indian forests, notably Hoollongapar Gibbon Sanctuary in Assam, and move by arm-swinging rather than gorilla-like climbing.
Statement-wise Analysis:
Statement 1: Correct - Hoollongapar Gibbon Sanctuary protects western hoolock gibbons, assessed as Endangered.
Statement 2: Correct - Brachiation-swinging beneath branches with long forelimbs-is characteristic of gibbons.
Statement 3: Incorrect - Gibbons are lightweight, slender lesser apes, not heavily built like gorillas.
Option-wise Analysis:
A: Incorrect - Omits supported item(s) 2.
B: Correct - This option includes the supported item(s) and excludes the unsupported ones.
C: Incorrect - Includes unsupported item(s) 3 and omits supported item(s) 1.
D: Incorrect - Includes unsupported item(s) 3 and omits supported item(s) 1, 2.