Environment & Biodiversity MCQs

Notes:
The International Tropical Timber Agreement also called as ITTA was signed in 1983. International Tropical Timber Organization was established under the International Tropical Timber Agreement in 1983 and entered into force in 1985.

Notes:
Air (Prevention and Control of Pollution) Act, 1981 aims to provide for the prevention, control and abatement of air pollution. It establishes central and State Boards in order to implement the Act. The Act aims to confer on the Boards the powers to implement the provisions of the Act.

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The Amendment of 1988 to the Water (Prevention and Control of Pollution) Act, 1974 empowered SPCB and CPCB to close a defaulting industrial plant. The Act prohibits the use of any stream or well for disposal of polluting matter.

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Some of the greenhouse gases occur naturally in the atmosphere, while others result from human activities. Carbon dioxide contributes around 60%, Methane – 20%, CFC’s – 14% and N2O – 6%.

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According to the Emissions Gap Report which is released by the United Nations Environment Programme, the top four emitters of greenhouse gases globally are China, India, United States of America and the European Union.

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The Focus of an earthquake, which is also called as a Hypocenter is the point of the origin of an earthquake whereas the epicenter is the point just exactly above the focus.

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The screening criteria is based upon the scale of investment, type of development and location of development. The state of ecosystem as it exists prior to the project and its potential effects is known as Baseline Data.

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Organisms that obtains hydrogen or electrons from organic substrates are known as Organotrophs. Some organotrophs such as animals and many bacteria can also be heterotrophs.

Notes:
In the gas tragedy that occurred at the Union Carbide India Limited pesticide plant in Bhopal, Madhya Pradesh, on 2-3 December 1984, over 500,000 people were exposed to toxic methyl isocyanate (MIC) gas and other chemicals. An estimated 10,000 or more people died in human disaster.

Notes:
The Mudumalai National Park and Wildlife Sanctuary, now also declared a Tiger Reserve, lies on the northwestern side of the Nilgiri Hills, in Nilgiri District, about 150 km north-west of Coimbatore city in the westernmost part of Tamil Nadu, on the interstate boundaries with Karnataka and Kerala states in South India. The sanctuary is a haven for Bengal Tigers and Indian Leopards and other threatened species.