Parts of the following sentence have been given as options. Select the option that contains an error.

Explanation

The error is in "but it had no affect. Here, affect is a verb meaning to influence. The sentence requires the noun effect, meaning result.
Correct sentence:
"The teacher asked him not to keep disturbing the class, but it had no effect."
him not to keep – Correct
The teacher asked – Correct
but it had no affect. – Incorrect (affect should be effect) ✅
disturbing the class, – Correct
Correct Answer: but it had no affect.