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 Form 4 Biology: Response, reception and coordination questions and answers

(a) What name is given response to contact with surface exhibited by tendrils and climbing stems in plants?
(b) State three biological importance of tropisms plants.

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Answer Text:
(a) Thigmotropism
(b) -Enables roots to grow deep in soil for anchorage.
- Enable pollen tube to grow towards embryo sac to facilitate fertilization
- Enable roots of plants to search for water.


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