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Standard XII
Biology
Question

The method by which endangered plant species are conserved in a botanical garden or in some controlled circumstances is called as
  1. Afforestation
  2. In-situ conservation
  3. Ex-situ conservation
  4. Deforestation

A
Afforestation
B
In-situ conservation
C
Deforestation
D
Ex-situ conservation
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Solution
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Ex-situ conservation is the conservation and maintenance of samples of living organisms outside their natural habitat, in the form of whole plants, seed, pollen, vegetative propagules, tissue or cell cultures. In-situ conservation is on-site conservation or the conservation of genetic resources in natural populations of plant or animal species, such as forest genetic resources in natural populations of tree species.

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The method by which endangered plant species are conserved in a botanical garden or in some controlled circumstances is called as
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Q2
Read the following statements (I - III) related to botanical gardens and select the correct option stating true (T) or false (F).

I. The main purpose of botanical gardens is to allow conservation of endangered plant species.
II. Botanical gardens are a type of in situ conservation strategy.
III. Botanical gardens have different kinds of habitat for different plant species to thrive.
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An ex situ conservation method for endangered species is
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One of the ex-situ conservation methods for endangered species is

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Q5
Match the following.
Column A Column B
1. Ex-situ conservation for animals a. Wildlife sanctuary
2. In-situ conservation b. Botanical garden
3. Ex-situ conservation for plants c. Biosphere reserve
4. In-situ conservation d. Zoological park

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