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Which of the following is an example of ...

Which of the following is an example of differentiation ?

A

Loss of nucleus and perforation in some seive tube members

B

Lignin deposition in tracheids and vessels

C

Differential wall thickening in guard cells

D

More than one option is correct

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The correct Answer is:
D
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AAKASH INSTITUTE ENGLISH-PLANT GROWTH AND DEVELOPMENT-ASSIGNMENT (SECTION -B)
  1. Find out the correct statements (a) Growth in plants is internal/int...

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  2. Find out one w.r.t. differentiation (a) Loss of nucleus in sieve (b)...

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  3. Which of the following is an example of differentiation ?

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  4. If an etiolated stem could be first saturated with auxin by spraying a...

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  5. Which is not a physiological effect of auxins?

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  6. The direction of the transport of auxins is

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  7. Larkspur, Ranunculus and corton plants are similar in the presence of

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  8. Pruning of tea plants is done discard the effect of

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  9. Which of the following hormone is weak organic acid having unsaturated...

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  10. Specific property attributed to gibberellins is

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  11. The plant hormone which is basic in nature?

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  12. Delay of senescence of Richmond Lang effect is a physiological effect ...

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  13. Shelf life of vegetables and out flowers can be increased by commercia...

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  14. The phytohormone combination which is the key regulator of cell differ...

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  15. Cytokinin are said to be antiageing hormone because they delay the sen...

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  16. The number of female flowers can be increased by the application of

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  17. Triple response is shown by hormone

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  18. CH(2)=CH(2) is mainly responsible for

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  19. A hormone which can substitute effect of cold treatment and photoperio...

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  20. Gibberellin mediate amylase formation during germination of cereal gra...

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