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The primary hormone causing abscission o...

The primary hormone causing abscission of leaves is

A

IAA

B

Ethylene

C

ABA

D

Cytokinin

Text Solution

Verified by Experts

The correct Answer is:
C
The primary hormone causing abscission of leaves is ABA.
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A2Z-PLANT GROWTH AND DEVELOPMENT-Section C : Previous Years' Examination Questions (NEET /AIPMT Questions)
  1. Growth hormone that speeds up malting in brewery industry is

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  2. One harmone is used to speed up the malting process in barely, another...

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  3. Which of the following is not a physiological effect/ an influence of ...

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  4. The phenomenon which shortens vegetative period and hastens flowering ...

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  5. Abscisic acid is called stress hormone as it

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  6. Flowering response to length of day and night in plants is called

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  7. Hormone that promotes growth of lateral buds and has nagative effect o...

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  8. Which one o f the following plant hormone (phytomone ) Is know as a st...

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  9. Dr. F. Went noted that is coleoptile tips were removed and placed on a...

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  10. Low temperature treatment to speed up the process of flowering is refe...

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  11. Under water stress, the leaves of plants are found to contain higher c...

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  12. Boioassary for auxin is

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  13. Which growth regulators is used to prepare weed-free lawns by the gard...

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  14. What causes a green plant exposed to the light on only one side, to be...

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  15. The rate of growth of any organism follows Or Typical growth curve...

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  16. Gibberellin facilitates seed germination by triggering the synthesis o...

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  17. The inhibitory effect of red light on flowering during critical dark ...

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  18. The primary hormone causing abscission of leaves is

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  19. Avena coleoptilre test detects the presence of

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  20. Which of the following prevents falling of fruits OR Fruit and lea...

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