MCQs 2026

Coral reefs are often referred to as the 'rainforests of the sea' because of their immense biodiversity and critical role in supporting a vast array of marine life, similar to rainforests on land.

The bio-concrete is seeded with beneficial microorganisms that help promote coral health and prevent the overgrowth of algae, which can be detrimental to coral survival.

Pilot projects for the new bio-concrete technology have been successfully implemented in the Great Barrier Reef and the Maldives, demonstrating its effectiveness in coral restoration.

Climate change, leading to ocean warming and acidification, along with pollution from various sources, are the primary drivers of coral reef degradation worldwide.

Bio-concrete's key innovation lies in its ability to mimic the natural calcium carbonate structure of coral skeletons, offering a suitable and stable environment for coral larvae to settle and grow.

The doctrine positions the Indian Navy as a net security provider in the Indian Ocean Region.

The doctrine aligns with India's Indo-Pacific vision.

The doctrine highlights the Navy's role in HADR, power projection, and operating across the conflict spectrum.

MDA involves understanding all activities within the maritime environment through comprehensive surveillance and data analysis.

The updated doctrine emphasizes enhancing Maritime Domain Awareness (MDA) and power projection.