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Assertion

Use of weedicides affect photo- synthetic ability of plants.

Reason

Weedicides are metabolic inhibitors.

A

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

B

Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

C

Assertion is correct but Reason is incorrect

D

Both Assertion and Reason are incorrect

Answer

Both A and R are true and R is correct explanation of A. The weedicides and herbicides are metabolic inhibitors, inhibiting the metabolic pathways as well as photosynthesis. Some weedicides also cause phloem cells’ proliferation so as to block the transport of plants’ food materials.

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