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Why do animals not graze upon ferns ? Gi...

Why do animals not graze upon ferns ? Give reason.

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Most of the ferns contain phenolic derivative - Phlobaphene which is very bitter in taste. Therefore, animals usually do not graze upon ferns.
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PRADEEP-PLANT KINGDOM -ANALYTICAL QUESTIONS WITH ANSWERS
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  2. what is a living fossil ? Name any two examples among plants.

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  3. Why do animals not graze upon ferns ? Give reason.

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  4. Why is the trunk (main stem) of Cycas usually thick in the upper part ...

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  5. Why is the plant body of an alga called a thallus ? Name any two unic...

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  6. Lichen is usually cited as an example of symbiosis in plants where an ...

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  7. Why are the stem-like and leaf-like structures of a moss plant not cal...

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  8. Why is Adiantum (a pteridophyte) commonly called 'walking fern' and '...

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  9. (a) What is peat ? How is it formed ? (b) What is its economic impo...

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  10. (a) Brown algae contain chlorophyll a, chlorophyll c, beta-and prop-ca...

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  11. Bryophytes are fundamentally terrestrial plants. Still, they are regar...

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  12. Assign the following organisms to their respective plant groups : Cy...

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  13. Name the group of plants in which a dominant, independent, photosynthe...

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  14. Which plant group includes first terrestrial plants that possess vascu...

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  15. Why is presence of water a must for fertilization in pteridophytes ?

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  16. Which organism remains associated with coralloid roots of Cycas ? What...

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  17. A Classification based on vegetative characters of plants is not easil...

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  18. Which group of plants is responsible for maximum fixation of carbon di...

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  19. Study the following table and write the correct options in place of A,...

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  20. (a) Why is sphagnum used as packing material for trans-shipment of liv...

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