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Biodiversity and Conservation

Long Answer Type

71. What are sacred groves ? What is their role in conservation ?

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Short Answer Type

72. List the uses of biodiversity.

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73. What are the uses of IUCN Red list categories.

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74. Describe the main functions of biosphere reserves.

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75. How is the “sixth episode of extinction” of species on earth, now currently in progress, different from the five earlier episodes ?

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76.

Many plant and animal species are on the verge of their extinction because of loss of forest land by indiscriminate use by the humans. As a biology student what method would you suggest along with its advantages that can protect such threatened species from getting extinct?

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77.

Name the type of biodiversity represented by the following:

(a) 50,000 different strains of rice in India.

(b) Estuaries and alpine meadows in India.

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78.

Explain why very small animals are rarely found in polar region.

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79. Write the importance of cryopreservation in conservation of biodiversity.

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80. Justify with the help of an example where a deliberate attempt by humans has led to the extinction of a particular species.

Nile perch introduced into Lake Victoria in east Africa led eventually to the extinction of an ecologically unique assemblage of more than 200 species of cichlid fish in the lake is an example where a deliberate attempt by humans led to the extinction of a particular species.

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