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1) The dodo became extinct in a. 1681 b. 1961 c. 1896 d. 1861
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2) Smoke particles and harmful gases released in air produces a a. smoke b. haze c. fog d. smog
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3) Environment can be kept clean and green by using a. less energy b. environment friendly technology c. protecting wildlife d. all of them
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4) Fertilizers supports growth of a. algae b. fruit plants c. vines d. pines
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5) If untreated waste water will be directly spill in to rivers, sea and lakes it may a. contaminate b. polluted c. spread diseases d. all of them
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6) When forests are cleared on a very large scale by cutting or burning them down it is a. forestation b. deforestation c. plantation d. incantation
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7) Global warming refers to a. drastic changes in climate b. everywhere will be hot climate c. everywhere will be freezing d. some warmer other colder
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8) Sharks are hunted to create delicacy in Chinese cuisine by its a. jaws b. fins c. eyes d. tail
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9) People should be banned to hunt in forest or collect wild plants to ensure protection of a. wild life b. ecosystem c. food chain d. food web
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10) Demand for transport and production of goods have increased due to excessive a. consumption b. wastage c. recycling d. reducing
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