In the question given below, a passage/statement is

Solution

The passage asserts that Kerala plans to ban single-use plastics to reduce pollution. Statement I weakens the argument because it shows that single-use plastics are not the major source of pollution — hence, banning them might not have the intended impact. Statement III weakens the argument because if people have already stopped using single-use plastics, the ban would not lead to significant change. Statement II does not directly weaken the argument; it shows a challenge in enforcement, not a flaw in the reasoning behind the ban. Thus, C (Only I and III) is the correct answer.