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41. Describe briefly the narrowly utilarian arguments for conserving biodiversity.

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42. Write a brief note on In situ conservation.

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43. Differentiate between in situ and ex situ approaches of conserving biodiversity.

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44. Describe alien species invasion with example.

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45. What is biodiversity ?

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46.

What is India's share of the global species diversity?

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47. Describe ecological role of biodiversity.

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48. Discuss the characteristics of India’s biodiversity.

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49.

How do ecologists estimate the total number of species present in the world?

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50.

Depict with the help of simple sketches the representation of global biodiversity of major taxa of plants, invertebrates and vertebrates.

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