A) Fighting against infection
B) Protection against grazing
C) Transpiration
D) Guttation
Correct Answer: C
Solution :
Guard cells help in transpiration. Transpiration is the evaporation of water from the aerial parts of, especially, leaves but also of stems, flowers and roots. Stomatal opening allows the diffusion of carbon dioxide and oxygen during photosynthesis.You need to login to perform this action.
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