What is Himalayan Yew ? Why is it under great threat at present ?
CBSE Class X Social Science SA ( 3 marks)
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It is a medicinal plant.
(a) Overexploitation of the tree has led to drying up of many yew trees in Himachal and Arunachal Pradesh.
(b) The biggest selling anti-cancerous drug in the world, taxol, is extracted from it to treat cancers.
(a) Overexploitation of the tree has led to drying up of many yew trees in Himachal and Arunachal Pradesh.
(b) The biggest selling anti-cancerous drug in the world, taxol, is extracted from it to treat cancers.
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Answer:
The Himalayan Yew is a medicinal plant which is found in various parts of Himachal Pradesh and Arunachal Pradesh. (i) It is under great threat due to over-exploitation. (ii) A chemical compound called 'taxol' is extracted from the bark, needles, twigs and roots of this tree.
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