Environment & Biodiversity MCQs

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The Water (Prevention and Control of Pollution) Act, 1974 empowers State Pollution Control Boards to establish and enforce effluent standards for factories. It also empowers SPCB and CPCB to test equipment and to take the sample for the purpose of analysis.

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The Indian Forest Act, 1927 establishes 3 categories of forests, i.e., Reserve forests, Protected forests and Village forests. The Act is majorly based on previous Indian Forest Acts implemented under the British rule.

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Ozone is a natural gas and an allotrope of oxygen. The ozone layer is very important because it protects us from the harmful ultraviolet radiation coming from the sun. The ozone layer is present in Stratosphere at a height ranging from 15 to 30 cm.

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A flood is an overflow of water that submerges the low lying lands. Some of the reasons which are responsible for floods are deforestation, tilling of land, etc. Afforestation is a method that can be helpful in preventing floods.

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Impact prediction in EIA is a method of mapping the environmental impacts of the significant aspects of the project and its alternatives. Environmental impact can never be predicted with absolute certainty.

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The Convention on Wetlands, called the Ramsar Convention, is an intergovernmental treaty that provides the framework for national action and international cooperation for the conservation and wise use of wetlands and their resources. It is named after the city of Ramsar in Iran, where the Convention was signed in 1971.

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According to the US Environmental Protection Agency (EPA), automobile emissions are the number one source of carbon monoxide, lead, nitrogen oxides, and volatile organic compounds released into the atmosphere that are primarily responsible for air pollution. Industrial processes are the number two cause of lead pollution in the air, following automobile emissions.

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Fuel cells do not emit any pollution at their point of use when run on pure hydrogen. The “well-to-wheels” emissions of fuel cell electric vehicles running on renewable hydrogen (extracted from water using clean energy) are almost 100 percent lower than those of conventional gasoline vehicles.

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The Montreal Protocol on Substances that Deplete the Ozone Layer was designed to reduce the production and consumption of ozone depleting substances in order to reduce their abundance in the atmosphere, and thereby protect the earth’s fragile ozone Layer. The original Montreal Protocol was agreed on 16 September 1987 and entered into force on 1 January 1989. In 1995, the United Nations named September 16 the International Day for the Protection of the Ozone Layer, also known as World Ozone Day.

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The Gondwana Rainforests, designated as a World Heritage Site, are located in southeast Queensland and northeast New South Wales in Australia. They personify extraordinary instances of Earth’s evolutionary phases, with over 50 sheltered areas playing host to more than 200 rare or endangered species. These rainforests are remnants from the ancient supercontinent Gondwana, evident through tree lineages such as Red and Yellow Carabeen. Unfortunately, they are threatened by climate change and provide important habitats for scarce species like the Hastings River Mouse and Parma Wallaby. Drawing around 2 million tourists each year, these vast rainforests cover an impressive 366,500 hectares.