4) Which system of plants shows
phototrophic movement?
1 Roel system
2ncretory system
3Reproductive system
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Answer:
Phototropism in plants such as Arabidopsis thaliana is directed by blue light receptors called phototropins. ... Stem tips exhibit positive phototropic reactions to blue light, while root tips exhibit negative phototropic reactions to blue light. Both root tips and most stem tips exhibit positive phototropism to red light.
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Answer:
(3) is right answer but I am not sure but I think that it is right.
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