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Which abiotic factor is not essential fo...

Which abiotic factor is not essential for early growth of the plant but growth is sustained only in its presence?

A

Water

B

Oxygen

C

Nutrients

D

Light

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The correct Answer is:
D
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AAKASH INSTITUTE-PLANT GROWTH AND DEVELOPMENT-ASSIGNMENT (SECTION - A)
  1. What happens to the growth of roots during water logging conditions?

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  2. Which of the following is not a function of water in plants?

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  3. Which abiotic factor is not essential for early growth of the plant bu...

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  4. Which factor determines the direction of movement of main root and ste...

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  5. Tracheilds do not collapse under extreme tension due to the presence o...

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  6. Cork, secondary cortex and secondary xylem are formed through

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  7. Which of the following is formed after dedifferentiation?

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  8. Plant growth regulators (PGRs) are

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  9. The ability of a plant to follow different pathways and produce differ...

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  10. Heterophylly means

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  11. Which type of phytohormone is made up of indole compounds?

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  12. Two synthetic auxins are

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  13. Which phytohormone promotes falling of old leaves whereas inhibits fal...

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  14. Which auxins are used in diluted form to produce parthenocarpic fruits...

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  15. Which of the following auxin is widely used as weedicide?

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  16. Which of the following is not a function of gibberellic acid?

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  17. Apical dominance is stimulated by auxin whereas it is inhibited by

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  18. Phytohormones resposible for cell division in callus are and .

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  19. Which phytohormoes is synthesised in ripened fruits?

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  20. Which of the following is incorrect about ethylene?

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