Environment & Biodiversity MCQs

PDF compilation of Environment MCQs can be downloaded from this link. 

21. Which of the following is not among the four coral reef regions of India identified by the Government for intensive conservation and management?
[A] Gulf of Mannar
[B] Gulf of Khambat
[C] Lakshadweep Islands
[D] Andaman and Nicobar Islands

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22. The highest per capita emitter of Carbon dioxide in the world is :
[A] USA
[B] China
[C] Qatar
[D] Saudi Arabia

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23. Identify the non Green-House Gas(GHG) from the following :
[A] Methane
[B] Nitrous oxide
[C] Sulphur Hexafluoride
[D] Carbon Monoxide

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24. Which of the following statements is NOT true?
[A] Photochemical smog always contains Ozone.
[B] The toxic effect of Carbon Monoxide is due to its greater affinity for haemoglobin as compared to oxygen.
[C] Lead is the most hazardous metal pollutant of automobile exhaust.
[D] None of the above

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25. The word ‘ecology’ (Ökologie) was coined in 1866 by :
[A] Charles Darwin
[B] Robert Whittaker
[C] Arthur Tansley
[D] Ernst Haeckel

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26. In an ecotone, the species which become abundant are called:
[A] Edge species
[B] Keystone species
[C] Endemic species
[D] Foster species

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27. The Siberian Crane, an endangered migratory bird is a regular visitor of which of the following national park/bird sanctuaries:
[A] Ranganathittu bird sanctuary
[B] Keoladeo national park
[C] Vedanthangal bird sanctuary
[D] Sultanpur bird sanctuary

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28. The largest number of Tiger Reserves are located in :
[A] Karnataka
[B] Andhra Pradesh
[C] Madhya Pradesh
[D] West Bengal

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29. The use of microorganism metabolism to remove pollutants such as oil spills in the water bodies is known as :
[A] Biomagnification
[B] Bioremediation
[C] Biomethanation
[D] Bioreduction

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30. Earth Hour is organized by ___?
[A] UNESCO
[B] Earth Hour Foundation
[C] World Wildlife Fund
[D] United Nations Environment Programme

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