Question

Reason
Weedicides are metabolic inhibitors.
Assertion
Use of weedicides affect photo- synthetic ability of plants.

Answer 1

Correct option is A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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.