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Statement a. Auxins promote apical domin...

Statement a. Auxins promote apical dominance by suppressing activity of lateral buds.
Statement b. In Horicultrue, periodic pruning of shoot tips is done to make Mulberry plants bushy.

A

Both the statements A and B are correct and A is the reason for B

B

Both the statements A and B are correct and A is not the reason for B

C

Statement A is correct and B is wrong

D

Statement A is wrong and B is correct

Text Solution

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The correct Answer is:
A
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Statement a. Auxins promote apical dominance by suppressing activity of lateral buds. Statement b. In moricultrue, periodic pruning of shoot tips is done to make Mulberry plants bushy.

Assertion: Auxins promote apical dominance by suppressing the activeity of lateral buds. Reason : In Moriculture , periodic pruning of shoot tips is done to make mulberry plants bushy.

Auxin promotes the apical dominance whereas it is counteracted by_Complete the statement by choosing the correct option

Read the given statements about auxins and state whether they are true or false : a. Auxin promotes apical dominance. b. Auxins have a negative impact on cytokinin levels. c. F.W went isolated auxins from the coleoptiles of the coleptiles of the oat plant. d. Auxin promotes flowering in the pineapple plants.

Consider the following statements . Apical dominance in plants I. Allows plant growth II. Regards the growth of lateral buds III. Which of these statements is /are correct ? Which of these statement is / are correct ?

(i) Promote nutrient mobilisation (ii) Overcome the apical dominance (iii) Lateral shoot growth All the above physiological effects are related to which of the following plant growth regulators?

Which statements are correct ? a - Cytokinins suppress the synthesis of chlorophyll b - Auxins control apical dominance c - Gibberellins promote shoot elongation d - Abscisic acid enables seeds to with-stand desiccation.

Select the incorrect statement/s : (A) Root apical meristem and shoot apical meristem are responsible for the secondary growth of the plants (B) Root apical meristem and shoot apical meristem contribute to increasing girth of the plant organs (C) In dicotyledonous plants and gymnosperms the lateral meristems, vascular cambium and cork cambium contribute to the elongation of the plant organs in which they are active (D) The development is the sum of growth and differentiation

Read the following statements. Statement A: Jurassic period of Mesozoic era is characterised by gymnosperms as dominant plants and dinosaurs as dominant animals.Statement B: The geological history of earth closely correlates with the biological history of earth.

ARIHANT NEET-PLANT GROWTH AND DEVELOPMENT -CHAPTER EXERCISES (MEDICAL ENTRANCES GALLERY )
  1. Which of the PGR induces parthenocarpy in tomatoes ?

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  2. Which of the following hormones does not naturally occur in plants ?

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  3. Statement a. Auxins promote apical dominance by suppressing activity o...

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  4. Which pigment is involved in photoperiodie changes in plants ?

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  5. The deteriorative processes in plants that naturally terminate their f...

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  6. Sprouting of potato under storage condition can be prevented by

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  7. The plant hormone produced by Rhizobium for nodulation is

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  8. Which of the following is a day neutral plant ?

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  9. Which of the following is the effect of a plant hormone, which is synt...

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  10. Which one of the following inhibits seed germination for a particular ...

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  11. The ripening of fruits can be hastened by treatment with

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  12. Identify two physiological process induced by two different phytoharmo...

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  13. How does pruning help in making the hedge dense

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  14. One set of a plant was grown at 12 hours day and 12 hours night period...

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  15. Abscisic acid is primarily synthesised in

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  16. Senescence as an active devlopmental cellular process in the growth an...

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  17. Maximum growth rate occur in

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  18. Growth promoting natural hormone is

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  19. Bakanae disease is caused by

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  20. Which of the following induces flowering in long-day plants ?

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