Hoolock gibbon uses railway canopy bridge

1. Question 1Answer B

   In which Assam sanctuary did a western hoolock gibbon use a rope canopy bridge on 15 May 2026?

   • AManas National Park
   • BCorrect answer: Hollongapar Sanctuary
   • CDibru-Saikhowa National Park
   • DKaziranga National Park

   Core Trigger: On 15 May 2026 a western hoolock gibbon crossed a rope canopy bridge over the Lumding–Dibrugarh railway in Hollongapar Sanctuary, Assam.From Book 1 RATNA, topic 228, point 1

2. Question 2Answer D

   WII called it the first documented use of a canopy bridge over what, anywhere?

   • AA canal
   • BA river
   • CA national highway
   • DCorrect answer: A railway line

   Milestone: WII called it the first confirmed gibbon use of the bridges and the first documented use over a railway anywhere.From Book 1 RATNA, topic 228, point 2

3. Question 3Answer C

   Who shared the video on 15 May 2026, calling it 'tech-led conservation'?

   • AAshwini Vaishnaw
   • BHimanta Biswa Sarma
   • CCorrect answer: Bhupender Yadav
   • DJitendra Singh

   Current Head: Minister Bhupender Yadav shared the video on 15 May 2026, calling it 'tech-led conservation'.From Book 1 RATNA, topic 228, point 3

4. Question 4Answer A

   The rope bridges were designed by WII, the Assam Forest Department and which railway zone?

   • ACorrect answer: Northeast Frontier Railway
   • BEast Coast Railway
   • CEastern Railway
   • DNorth Central Railway

   Design: The rope bridges have safety nets below and were designed by WII with Assam Forest Department and Northeast Frontier Railway.From Book 1 RATNA, topic 228, point 4

5. Question 5Answer C

   The western hoolock is classed by IUCN as what?

   • AVulnerable
   • BNear Threatened
   • CCorrect answer: Endangered
   • DCritically Endangered

   Data / Report: The western hoolock is IUCN Endangered; the eastern hoolock is Vulnerable; both assessments date from 12 September 2017.From Book 1 RATNA, topic 228, point 5

6. Question 6Answer A

   Consider: 1) Aaranyak, a Guwahati NGO, built a natural canopy bridge in 2019. 2) The Brahmaputra separates the two hoolock species. Which is/are correct?

   • ACorrect answer: Only 1
   • BOnly 2
   • CBoth 1 and 2
   • DNeither

   Stakeholders: Aaranyak, a Guwahati NGO, built a natural canopy bridge in 2019; the Chindwin separates the two hoolock species.From Book 1 RATNA, topic 228, point 6

7. Question 7Answer C

   The Wildlife Institute of India is based in which city?

   • AShimla
   • BBhopal
   • CCorrect answer: Dehradun
   • DMysuru

   Headquarters: The Wildlife Institute of India, a MoEFCC body, is based in Dehradun.From Book 1 RATNA, topic 228, point 8

8. Question 8Answer B

   The railway line crossed by the bridges dates from which year?

   • A1857
   • BCorrect answer: 1887
   • C1947
   • D1905

   Founded: The railway line dates from 1887; the bridges were installed in early 2025 during electrification.From Book 1 RATNA, topic 228, point 9

9. Question 9Answer B

   The Wild Life (Protection) Amendment Act, 2022 was assented on which date?

   • A8 August 2022
   • BCorrect answer: 19 December 2022
   • C9 December 2021
   • D1 April 2023

   Landmark: The Wild Life (Protection) Amendment Act, 2022 (Act 18 of 2022) was assented on 19 December 2022.From Book 1 RATNA, topic 228, point 10

10. Question 10Answer C

    Consider: 1) The hoolock gibbon is entry 129 in Schedule I, Part A (Mammals), of the Wild Life (Protection) Act, 1972. 2) Brachiation is arm-over-arm swinging through branches. Which is/are correct?

    • AOnly 1
    • BOnly 2
    • CCorrect answer: Both 1 and 2
    • DNeither

    Statute: Hoolock Gibbon (Hoolock hoolock) is entry 129 in Schedule I, Part A (Mammals), of the Wild Life (Protection) Act, 1972.From Book 1 RATNA, topic 228, point 11

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