Environment & Ecology MCQs

Early detection through enhanced monitoring is vital for implementing rapid response measures, which are far more effective and less costly than managing established invasions.

The IPBES Global Assessment Report on Biodiversity and Ecosystem Services identified invasive alien species as one of the five major direct drivers of biodiversity loss.

IAS pose a significant threat by outcompeting native species for resources (light, water, nutrients), preying on native species, and introducing new diseases or parasites.

Lantana camara is a highly invasive shrub introduced to India, known for forming dense thickets, outcompeting native vegetation, and reducing biodiversity.

Mangroves are unique trees and shrubs that thrive in saline coastal intertidal zones, adapting to harsh conditions like high salinity, low oxygen soils, and tidal inundation.

The MISHTI scheme, announced in the Union Budget 2023-24, aims to restore and protect mangrove ecosystems along India's coastlines and salt pan lands, promoting their conservation and sustainable use.

West Bengal, home to the Sundarbans, has the largest mangrove cover in India, followed by Gujarat and Andaman & Nicobar Islands.

As per the 2022 Tiger Census, Madhya Pradesh has the highest tiger population in India, followed by Karnataka and Uttarakhand.

Project Tiger was launched in 1973 with the objective of ensuring a viable population of tigers in India and preserving areas of biological importance as a natural heritage.

The 2022 All India Tiger Estimation reported an average estimated tiger population of 3682, with a lower limit of 3167 and an upper limit of 4149.