Environment & Ecology Previous Year Questions (PYQ) with Answers – Page 11

Nagarhole, Sathyamangalam and Wayanad all drain into the Cauvery system, while Papikonda lies on the Godavari. Nagarhole National Park in Karnataka is bounded by the Kabini river, a major tributary of the Cauvery.

Elephant herds are led by an old female, and pregnancy can last up to about 22 months; statements 3 and 4 are wrong.

An ecotone is the zone of transition where two different communities or ecosystems meet and blend. Examples of ecotones are the belt between forest and grassland, the mangrove zone between land and sea, an estuary where river water meets the ocean, and the margin between a lake and its shore.

The Cartagena Protocol on Biosafety deals with the safe handling of living modified organisms. The protocol was adopted in 2000 as a supplementary agreement to the Convention on Biological Diversity and came into force in 2003; India is a party to it.

The Cartagena Protocol on Biosafety, adopted in January 2000, is named after Cartagena in Colombia, where the negotiations were held in 1999.

All five release benzene, either by burning carbon-based material or by giving off fumes from solvents and synthetic materials. Benzene is a volatile organic compound and a known human carcinogen linked to leukaemia.

Earthquakes start deep in the Earth's crust, and a reef in shallow water can do nothing to stop or soften the ground shaking.

The Alma-Ata Declaration is about primary healthcare and the Talanoa Dialogue is about climate change; the other two pairs are wrong.

Polyaromatic hydrocarbons are soot-related pollutants from incomplete burning; they are not among the gases that make up photochemical smog. Photochemical smog forms on warm, sunny days in cities with heavy traffic.

A tanka is a covered underground tank, usually sunk in a courtyard or beneath a house in western Rajasthan, into which rain falling on the paved courtyard or the roof is led through a filter and stored for drinking right through the dry months.

The Bankapura Peacock Sanctuary lies within the ruins of Bankapura fort in Haveri district of Karnataka and is one of the very few protected areas in India notified specifically for the Indian peafowl, the national bird.

The United Nations adopted the 2030 Agenda for Sustainable Development in September 2015, with 17 goals and 169 targets, and Goal 10 is Reduced Inequalities.

Tarun Bharat Sangh works on water conservation, and its base is at Bhikampura in Alwar district of Rajasthan.

Sem is the local word for waterlogging with salt, and it hurts Sriganganagar and Hanumangarh the most because these districts lie in the command area of the Gang Canal and the Indira Gandhi Canal.

A pyramid of energy is always upright because energy is lost as heat at every step of a food chain, so each higher trophic level holds less energy than the one below it.

Kyushu is one of the four main islands of the Japanese archipelago and is of volcanic origin, built by the eruptions of an island arc where one plate dives beneath another; Mount Aso on it has one of the largest volcanic calderas in the world.

The Great Barrier Reef stretches for well over two thousand kilometres along the Queensland coast in the Coral Sea, off the north eastern shore of Australia, and is the largest structure on earth built by living organisms.

Section 22 of the National Green Tribunal Act, 2010 allows a person aggrieved by an award, order or decision of the Tribunal to appeal to the Supreme Court within ninety days of the day it is communicated, and the Court may admit a later appeal if it is satisfied that…

A geothermal plant takes steam or hot water from a natural underground reservoir, whose temperature is set by the rock and rarely approaches what a furnace can produce, so both the temperature and the pressure at the turbine are well below those of a coal-fired steam plant, and the thermal…

Ashtamudi is a backwater lake in Kollam district of Kerala and the second largest estuarine system in the state after Vembanad.