Assertion : Film forming chemical should not be used for checking transpiration. Reason: Film forming chemicals interrupt transpiration, photosynthesis and respiration.

Question

Assertion : Film forming chemical should not be used for checking transpiration. Reason: Film forming chemicals interrupt transpiration, photosynthesis and respiration., If both assertion and reason are true and reason is the correct explanation of assertion., If both assertion and reason are true but reason is not the correct explanation of assertion., If assertion is true but reason is false., If both assertion and reason are false.

MARKS App · Accepted Answer

Film forming chemicals check transpiration by forming a thin film on the transpiring surface. They are sufficiently permeable to carbon dioxide and oxygen to allow photosynthesis and respiration but prevent movement of water vapours through them. These such chemicals can be used as antitranspirants.

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