Environment & Ecology Mixed Quiz: Set 55

The ozone hole is a sharp seasonal thinning of the stratospheric ozone layer over Antarctica, caused mainly by chlorine from chlorofluorocarbons.

Methylmercury discharged with factory effluent into Minamata Bay entered fish and shellfish, biomagnified up the food chain and poisoned the people who ate them, producing the nervous disorder named after the bay and recognised in 1956.

This statement is wrong: biogas is renewable, because the cattle dung, crop waste and kitchen waste it is made from are produced again and again.

BEE is an attached statutory body of the Ministry of Power, and its Governing Council is chaired by the Union Minister of Power.

The blue-finned mahseer occurs in the Cauvery and the rusty-spotted cat in the Eastern Ghats, but the Irrawaddy dolphin does not live in the Chambal.

The amendment of 1991 inserted Chapter IVA into the Act and created the Central Zoo Authority, which lays down standards for housing and upkeep of animals, recognises or derecognises zoos and regulates the exchange of animals between them.

Each of these everyday items is made partly or wholly of synthetic polymers, which is what plastic is. A cigarette filter is made of cellulose acetate, a plastic that takes years to break down, which is why butts are among the most common litter found on beaches.

Dachigam National Park near Srinagar, in the Himalaya biogeographic zone, is the last stronghold of the hangul, the Kashmir stag, which is the only surviving race of the red deer group in the Indian subcontinent and the state animal of Jammu and Kashmir.

A containment boom is a floating barrier with a skirt below the waterline and floats above it, towed or anchored around a slick to hold the oil in a smaller area so that it can be recovered and kept away from beaches, mangroves and water intakes.

That strategy asked that land falling within ten kilometres of the boundaries of National Parks and Wildlife Sanctuaries be notified as ecologically fragile, and the National Wildlife Action Plan carried the same thought forward, which is how the ten kilometre figure entered the discussion on Eco-Sensitive Zones.

The Act lists energy-intensive sectors in a schedule, and units in them above a notified threshold of annual energy consumption become designated consumers; each must appoint or designate an energy manager, have an energy audit carried out at prescribed intervals, keep records of energy consumed and comply with the consumption…

Reactor Number 4 of the Chernobyl Nuclear Power Plant, near the town of Pripyat, exploded on 26 April 1986. The site then lay in the Ukrainian Soviet Socialist Republic of the USSR and lies in independent Ukraine today, which is why the question is usually framed as present-day country.

In Kerala a sacred grove is called a Kavu, and a grove kept for the serpent deities, which almost every old family compound of the state once had, is called a Sarpa Kavu.

In a mycorrhiza the threads of a fungus grow around or inside the fine roots of a plant and greatly extend the surface from which minerals, especially phosphorus, can be absorbed from the soil.

Net metering lets a home with rooftop solar panels sell its surplus power to the grid. Under net metering, a bidirectional meter records both the electricity a consumer draws from the grid and the electricity their rooftop solar system pushes back into it.

The day was agreed upon at the tiger summit held at St Petersburg in 2010, where the thirteen tiger range countries adopted the goal of doubling the number of wild tigers, and it is marked every year to draw attention to the conservation of the species.

Microbeads are tiny plastic particles that wash into rivers and seas, where they persist and are eaten by marine life.

The London Convention of 1972, formally the Convention on the Prevention of Marine Pollution by Dumping of Wastes and Other Matter, controls the deliberate disposal of waste at sea from ships, aircraft and platforms, prohibiting the most hazardous categories outright and allowing others only under permit; its later Protocol tightened…

An Oran is a patch of desert vegetation in western Rajasthan dedicated to a folk deity, made up of khejri, kair, jaal and rohida trees and the grass between them.

Mawphlang lies in the Khasi hills south of Shillong and is the best known sacred grove of India.