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Question
The movement of pollen tube is called:
The movement of pollen tube is called:
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Solution
The correct option is A Chemotropism
The movement in response to the external chemical is called chemotropism. The movement of pollen tube towards embryo sac is chemotropism as it occurs in response to certain chemical substances like auxin and carbohydrates.The movement of the organism towards or away from the heat is called thermotaxis.The movement of the roots towards or away from gravity is called geotropism.The movement in response to the water is called hydrotropism.Thus, the correct answer is option A.
The movement in response to the external chemical is called chemotropism. The movement of pollen tube towards embryo sac is chemotropism as it occurs in response to certain chemical substances like auxin and carbohydrates.
The movement of the organism towards or away from the heat is called thermotaxis.
The movement of the roots towards or away from gravity is called geotropism.
The movement in response to the water is called hydrotropism.
Thus, the correct answer is option A.
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