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Why is genetic variation important in th...

Why is genetic variation important in the plant Rauwolfia vomitoria ?

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Plant Rauwolfia vomitoria is a source of drug reserpine which acts as tranqulliser. Genetic variation shown by this medical plant might be in terms of the potency and concentration of active chemical (resperin) that plant produces.
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Assertion : Genetic variation shown by the plant Rauwolfia vomitoria growing in different Himalayan ranges is very important economically. Reason : The amount and variety of alkaloids presents in this plant, change both between the Rauwolfia species and between the different strains of R. vomitoria.

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NCERT EXEMPLAR-BIODIVERSITY AND CONSERVATION-Biodiversity And Conservation
  1. What is the difference between endemic and exotic species ?

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  2. How does species diversity differ from ecological diversity ?

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  3. Why is genetic variation important in the plant Rauwolfia vomitoria ?

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  4. What is Red Data Book ?

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  5. Define gene pool.

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  6. What does the term 'Frugivorous' mean ?

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  7. What is the expanded form of IUCN ?

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  8. Define the terms (i) Bioprospecting (ii) Endemism

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  9. What is common to the species shown in figures A and B ?

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  10. What is comman to the species shown in figures A and B ?

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  11. How is the presently occuring species extinction different from the ea...

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  12. Of the four major causes for the loss of biodiversity (Alien species ...

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  13. Discuss one example, based on your day-to-day observations, showing ho...

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  14. A species area curve is drawn by plotting the number of species agains...

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  15. Is it possible that productivity and diversity of a natural community ...

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  16. There is greater biodiversity in tropical/subtropical regions than in ...

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  17. Why are the conventional methods not suitable for the assessment of bi...

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  18. What criteria should one use in categorising a species as threatened ?

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  19. What could be the possible explanation for greater vulnerability of am...

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  20. How do scientists extrapolate the total number of species on earth ?

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