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प्रश्न
There are many animals that have become extinct in the wild but continue to be maintained in Zoological parks.
(i) What type of biodiversity conservation is observed in this case?
(ii) Explain any other two ways which help in this type of conservation.
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उत्तर
(i) It is an example of ex-situ conservation (off-site conservation). In this approach, threatened plants and animals are taken out of their natural habitat and placed in to suitable settings and given special care.
(ii) Cryopreservation and tissue culture are two ways that help in ex-situ conservation.
In cryopreservation, gametes of threatened species are preserved in viable and fertile conditions at sub-zero temperatures, which help in preserving these cells for longer periods.
In tissue culture, plants are propagated from a small mass of tissue, called callus.
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संबंधित प्रश्न
Why should we conserve biodiversity ? How can we do it?
Define cryopreservation.
Conservation of biodiversity is important for ______.
Which one of the following is not included under in-situ conservation?
How many hotspots were initially identified in the world?
Amazon rain forests are considered as 'Lungs of the planet' as they contribute ______ of the total oxygen in the earth's atmosphere.
What is common to the techniques (i) in vitro fertilisation, (ii) Cryo preservation and (iii) tissue culture?
Define the terms bioprospecting
Which one of the following areas in India, is a hotspot of biodiversity?
In Maharashtra a 24-hour toll free helpline number 1926 has been set up to provide information regarding ______.
