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Abscisic acid controls/ promotes...

Abscisic acid controls/ promotes

A

cell division

B

leaf fall, senescence and dormancy

C

shoot elongation

D

cell elongation and wall formation

Text Solution

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The correct Answer is:
B
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Abscisic acid controls (a) Cell elongation and cell wall formation (b) Shoot elongation (c) Leaf fall and dormancy (d) Cell division

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TRUEMEN BIOLOGY ENGLISH-PLANT GROWTH AND DEVELOPMENT AND PLANT MOVEMENTS -MULTIPLE CHOICE QUESTIONS
  1. Closure of stomata is brought about by

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  2. A natural growth regulator is

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  3. Abscisic acid controls/ promotes

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  4. Who first suggested presence of growth regulatory chemicals in plants ...

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  5. Banana is natural parthenocarpic fruit due to

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  6. Low concentraion of auxin inhibits growth in

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  7. To secure a good crop of tea leaves from a single healthy plant, the g...

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  8. A hormone used to induce root formation in horticulture

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  9. In plants auxin synthesis. with high concentration occurs in

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  10. Homones are translocated through

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  11. The rosette habit of cabbage can be changed by applicaton of

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  12. Dwarf plants can be obtained with the help of

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  13. Hormone similar to animal steroidal hormone is

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

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  15. Which of the following phytohormones replaces female flowers with fema...

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  16. Which hormones help in breaking the dormancy of seed ? (A) ABA (B)...

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  17. Bakane disease in Japan was due to a fungus known as

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  18. From which plant, zeatin was isolated ?

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  19. Which of the following type of phytohormones resemble the nucleic acid...

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  20. Male hormone in plant is

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