alleryPlants RESPOND to stimuli mainly through:
ANervous impulses like animals
BHormones (chemical messengers)
CMuscle contraction
DVocalisation
Answer & Solution
Correct answer: B. Hormones (chemical messengers)
1. Plants LACK a nervous system or specialised muscle cells.
2. Coordination is achieved by HORMONES (auxin, gibberellin, ethylene, etc.) that travel in xylem/phloem.
3. Responses are typically slower than animal nervous reflexes.
_Source: syllabus Science Ch 6 §6.3 Coordination in Plants_
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