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Auxins promote in stems and coleptiles....

Auxins promote__________ in stems and coleptiles.

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elongation
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_________ is a natural Auxin.

_______ is a synthetic auxin.

Auxin was introduced by ________.

Auxins were identified by __________.

Assertion : Auxins help to prevent fruits and leaves droo at early stages. Reason : Auxins promote the abscission of older mature leaves and fruits.

Auxin stimulates:

Ethylene promotes the __________ of fruits.

________ isolated Auxin A from human urine.

Auxin prevents the formation of ___________.

Promoter region in prokaryotes is called

SURA PUBLICATION-PLANT AND ANIMAL HORMONES-ADDITIONAL QUESTIONS & ANSWERS (FILL IN THE BLANKS)
  1. ……..is a gaseous plant hormone, mainly concerned with maturation and r...

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  2. Ethylene promotes the of fruits.

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  3. Auxins promote in stems and coleptiles.

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  4. promotes growth of root only at low concentrations.

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  5. In most plants, the terminal bud suppresses the development of lateral...

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  6. is found abundantly in liquid endosperm of coconut.

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  7. promotes cell division in the presence of Auxin

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  8. Cytokinin promote the growth of lateral buds even in the presence of a...

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  9. cytokinin delays the process of .

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  10. Gibberellins are the most abundantly found.

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  11. are plant hormones that promote cell division.

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  12. Internodal elongation in rice was caused by fungus.

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  13. gibberellins on plants stimulate extraordinary elongation of .

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  14. Treatment of rosette plants with gibberellin induces sudden.

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  15. .... ..... promotes the production of male flowers in Cucurbits.

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  16. Which breaks dormancy of potato tuber?

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  17. Auxins are efficient than gibberellins in inducing the formation of se...

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  18. ………….. Is the powerful growth inhibitor .

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  19. regulates abscission and dormancy in plants .

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  20. Why is Abscisic acid also known as stress hormone?

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