Consider the following statements Assertion A Use of weedicides affect photo synthetic ability of pl...........

Indian Geography (Easy) Agriculture

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Consider the following statements:

Assertion (A): Use of weedicides affect photo-synthetic ability of plants.

Reason (R): Weedicides are metabolic inhibitors.

Both A and R are true, R is correct explanation of A.

Both A and R are true, but R is not the correct explanation of A.

A is true, R is false.

A is false, R is true.

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Explanation:

Both A and R are true and R is the 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. Hence option 1st is correct.