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LAKHMIR SINGH & MANJIT KAUR-CONTROL AND COORDINATION -Exercise
- One of the following plant hormones is responsible for the phenomenon ...
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- The movement of a plant part in response to the force of attraction ex...
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- The movement of sunflower in accordance with the path of the sun is du...
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- The plant part which exhibits negative geotropism is:
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- A big tree falls in a forest but its roots are still in contact with t...
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- Which of the following is not caused by a growth movement?
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- The root of a plant is: (i) positively phototropic but negatively g...
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- The main function of the plant hormone called abscisic acid is to:
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- The growth of tendrils in pea plants is due to the:
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- Which of the following phytohormone is not associated with the promoti...
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- The plant hormone which triggers the fall of mature leaves and fruits ...
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- Which of the following terms denotes the movement of the root of a pla...
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- The growth of a pollen tube towards the ovule caused by a sugary subst...
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- The bending of the shoot of a plant in response to light is called:
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- The stimulus in the process of thigmotropism is:
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- A growing seedling is kept in a dark room. A burning candle is placed ...
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- Which of the following acts as a stimulus in the process of hydrotropi...
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- The growth movement of a plant part in response to the touch of an obj...
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- The climbing organs of plants like tendrils grow towards any suppory w...
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- The rate of growth in roots is decreased by one of the following plant...
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