CBSE 12th Standard Biology Subject Environmental Issues HOT Questions 3 Marks Questions 2021
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CBSE 12th Standard Biology Subject Environmental Issues HOT Questions 3 Marks Questions 2021
12th Standard CBSE
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Reg.No. :
Biology
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Given below are pie diagrams A, B and C related to proportionate number of species of major taxa of invertebrates, vertebrates and plants respectively. Critically study and fill in the blanks (a), (b),(c) and (d).
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(a) What are hot spots of biodiversity?
(b) List four main criteria for determining a particular place as a hot spot.
(c) Among the hot spots of the world, list two which are located in India. -
From among plants, invertebrates and vertebrates, list respectively those taxa which occur maximum in numbers at present.
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The use of incinerators is crucial for the disposal of hospital waste justify.
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Why does deforestation lead to global warming?
3 Marks
