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Name the plant hormones responsible for ...

Name the plant hormones responsible for the following functions:
(i) Growth of the stem (ii) Promotes cell division
(iii) Wilting of leaves (iv) Inhibits growth

A

(a) always as growth inhibitor

B

(b) sometimes as growth promotors and sometimes as growth inhibitors

C

(c) always as growth promotors

D

(d) rarely as growth promotors

Text Solution

Verified by Experts

The correct Answer is:
B
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TRUEMEN BIOLOGY ENGLISH-PLANT GROWTH AND DEVELOPMENT AND PLANT MOVEMENTS -MULTIPLE CHOICE QUESTIONS
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  2. A photoblastic seed is gives following treatment. In which case germi...

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  3. Name the plant hormones responsible for the following functions: (i)...

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  4. What is not true about auxin ?

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  5. The universal natural auxin of plants is

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  6. Transport of auxins is

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  7. Apical dominance is

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  8. Mowing of a grass lawn facilitate better maintenance primarily owing t...

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  9. Which of the following hormones is used in root formation on stem cutt...

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  10. Plants bend towards light because

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  11. The phenomenon of apical dominance can be overcome by exogenous applic...

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  12. Which increases in the absence of light?

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  13. The effect of IAA on the synthesis of ethylene is that it

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  14. IAA was first isolated from

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  15. Arificial application of auxins like IA A, IBA and NA A to unpollinate...

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  16. Who amongst the following is discoverer of auxin ?

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  17. "" are sprayed on the cotton fields to defoliate and hence facilita...

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  18. The nature of all gibberellins is

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  19. In a plant the concentration of gibberellins is highest in

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  20. Dwarfness can be controlled by treating the plant with

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