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The movement of a plant part in response...

The movement of a plant part in response to the force of attraction exerted by the earth is called:

A

hydrotropism

B

geotropism

C

chemotropism

D

phototropism

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The correct Answer is:
B
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LAKHMIR SINGH & MANJIT KAUR-CONTROL AND COORDINATION -Exercise
  1. Which of the following is not a plant hormone?

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  2. One of the following plant hormones is responsible for the phenomenon ...

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  3. The movement of a plant part in response to the force of attraction ex...

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  4. The movement of sunflower in accordance with the path of the sun is du...

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  5. The plant part which exhibits negative geotropism is:

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  6. A big tree falls in a forest but its roots are still in contact with t...

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  7. Which of the following is not caused by a growth movement?

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  8. The root of a plant is: (i) positively phototropic but negatively g...

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  9. The main function of the plant hormone called abscisic acid is to:

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  10. The growth of tendrils in pea plants is due to the:

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  11. Which of the following phytohormone is not associated with the promoti...

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  12. The plant hormone which triggers the fall of mature leaves and fruits ...

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  13. Which of the following terms denotes the movement of the root of a pla...

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  14. The growth of a pollen tube towards the ovule caused by a sugary subst...

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  15. The bending of the shoot of a plant in response to light is called:

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  16. The stimulus in the process of thigmotropism is:

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  17. A growing seedling is kept in a dark room. A burning candle is placed ...

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  18. Which of the following acts as a stimulus in the process of hydrotropi...

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  19. The growth movement of a plant part in response to the touch of an obj...

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  20. The climbing organs of plants like tendrils grow towards any suppory w...

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