Environment & Biodiversity MCQs

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It is little expensive to design and construct a green building. The cost of operating a Green Building is less and has tremendous environmental benefits. Green Buildings use minimum energy to power itself.

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Decreasing poverty, prevention and control of pollution, conservation biological diversity are some of the important aspects of Sustainable Development. It is can alternative approach to the theories of development, presently.

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A seismograph which is also called as a seismometer, is an instrument which is used to detect and record the earthquake waves. The first seismograph was invented in 132 A.D.

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Carbon Footprint is a measurement of all greenhouse gases that we produce individually and has units of tonnes (or kg) of carbon dioxide equivalent. It is made up of the sum of two parts, i.e., the primary footprint and the secondary footprint.

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Lingambudhi Lake is situated in Mysuru city, Karnataka. Mysuru is known for its lakes and parks, and Lingambudhi Lake is a well-known water body in this region. It serves as an important ecological and recreational area within the city limits.

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Dead Animal–Maggots–Frog–Snake is an example of detritus food chain. In such a food chain, Primary consumers are ‘detritivores’ including protozoans, bacteria, fungi, etc which feed upon the detritus (dead organic matter such as fallen leaves, plant parts or dead animal bodies) saprophytically. They are in turn eaten by secondary consumers such as insect larvae, nematodes, etc. In nature, detritus food chains are indispensable as the dead organic matter of grazing food chain is acted upon by the detritivores to recycle the inorganic elements into the ecosystem.

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Checking atomic blasts will reduce radioactive pollution. Sewage pollution can be prevented by treating sewage before passing into water course, in sewage treatment plant or effluent treatment plant (ETP). Electrically operated vehicles will control automobile exhaust and improve the air quality in cities. Environmental pollution can be controlled by treating factory wastes before disposing of them. So, if we treat wastewater before disposing of in a river, it will surely decrease the amount of dumped pollutants. For example- Steel industries have a high concentration of cyanide in it, and it led to harmful effect. So, treatment is really necessary.

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Valley of Flowers National Park is a national park, located in North Chamoli, in Uttarakhand. At 3352 to 3658 meters above sea level, the gentle landscape of the Valley of Flowers National Park complements the rugged mountain wilderness of Nanda Devi National Park to the east.

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Los Glaciares National Park in Argentina hosts the largest ice cap outside Antarctica and Greenland. This UNESCO World Heritage Site, established in 1937, spans over 726,927 hectares and is home to 47 active glaciers, including the well-known Perito Moreno Glacier. Divided by Lake Argentino and Lake Viedma, the park holds the scenic Mount Fitz Roy and Cerro Torre in its northern segment. The park’s varied ecosystem sustains unique species and attracts over 688,000 visitors every year, making it a favorite among nature lovers and providing a crucial research site for scientists studying climate change.

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The Pantanal Conservation Area, recognized as a UNESCO World Heritage Site, accounts for 1.3% of the vast Pantanal wetland in Brazil and spans across 187,818 hectares. It provides shelter for more than 650 bird species, 325 fish species, and 80 mammal species, including giant armadillo and jaguar. The area’s unique ecosystem extends from floodplains to the Amolar Mountains, supporting diverse habitats and maintaining regional fish stocks. Moreover, it is an all-important breeding ground for wetland birds and refuge for globally threatened species like the hyacinth macaw. Additionally, it is a Ramsar Wetland and a UNESCO Man & Biosphere Reserve.