Environment & Ecology Practice MCQs for UPSC and SSC Exams

1.

Besides rising temperatures, which of the following factors can exacerbate coral bleaching in the Gulf of Mannar?

A Decreased pollution from industrial effluents.

B Increased nutrient runoff from agricultural activities.

C Reduced fishing pressure.

D Expansion of mangrove forests.

2.

The Gulf of Mannar is a significant marine biodiversity hotspot. What is a major consequence of critical coral bleaching for this ecosystem?

A Increased fish populations due to nutrient enrichment.

B Loss of habitat and food sources for numerous marine species.

C Enhanced coral reef growth and resilience.

D Reduced impact of invasive species.

3.

Coral bleaching in the Gulf of Mannar is primarily triggered by:

A Increased levels of dissolved oxygen in seawater.

B Rising sea surface temperatures.

C Decreased salinity due to heavy rainfall.

D Increased sedimentation from coastal erosion.

4.

The success of the Green Corridor Initiative relies heavily on:

A International funding and aid.

B Strict enforcement of anti-poaching laws.

C Collaboration between government agencies, local communities, and conservation organizations.

D Technological advancements in elephant tracking.

5.

Which of the following is a major challenge addressed by the Green Corridor Initiative?

A Overpopulation of elephants in protected reserves.

B Habitat fragmentation due to infrastructure development.

C Lack of suitable food sources for elephants.

D Prevalence of elephant diseases.

6.

The Green Corridor Initiative for Asian Elephants primarily aims to:

A Establish protected areas for elephant breeding.

B Facilitate safe passage for elephants across human-dominated landscapes.

C Develop eco-tourism around elephant habitats.

D Promote research on elephant migration patterns.

Environment & Ecology MCQs - 2026-04-23