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Apical dominance is caused by...

Apical dominance is caused by

A

Auxins

B

Gibberellins

C

Cytokinins

D

Abscissic acid

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The correct Answer is:
A
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Go through the following matches (i) Abcisic acid - Delays senescence (ii) Auxins - Control xylem (iii) Gibberellins -Cause fruits like apple to elongate and improve its shape (iv) Cytokinins - Promotes apical domiance caused by auxins Which of these are correct :

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Assertion : Auxillary buds, in actively growing herbaceous plants, generally remain dormant Reason :This is due to apical dominance which is under the influence of auxins

The affect of apical dominance can be overcome by which of the following hormone

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The phenomenon pf apical dominace can be overcome by exogenous application of

TRUEMAN BIOLOGY-PLANT GROWTH AND DEVELOPMENT AND PLANT MOVEMENTS -MULTIPLE CHOICE QUESTIONS
  1. Bolting hormone is

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  2. Auxanometer is used to measure

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  3. Which one of the following generally acts as an antagonist to gibberel...

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  4. Through their effect on plant growth regiulators, what do the temperat...

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  5. Apical dominance is caused by

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  6. The natural plant hormone isolated from cormn kernels and coconut milk...

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

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  8. During seed germination, its stored food is mobilised by

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  9. Which one of the following plant hormone (phytohormone) is know as a s...

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  10. A few normal seedlings of tomato were kept in a dark room. After a few...

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

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  12. Minerals known to be required in large amounts for plant growth includ...

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

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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. Auxin can be bioassayed by

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  16. The Avena curvature is used for bioassay of

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  17. You are given a tissue with its potential for differentiation in an ar...

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  18. Phytochrome is

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  19. study the four statements (A-D) given below and select the two correct...

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

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