Find the part of the given sentence that has an error in it. If there is no error, choose 'No error'.
The team didn't noticed any side effects in their vaccinated mice.

Correct option is B

Option (b) contains the error.
Correct Sentence: The team didn't notice any side effects in their vaccinated mice.
Explanation: The verb following "didn't" must be in its base form, so "noticed" should be corrected to "notice."
Grammatical rule used: In negative sentences with "did not" (didn't), the main verb is always in its base form.
Explanation in Hindi: "Did not" के साथ मुख्य क्रिया हमेशा मूल रूप में होती है, इसलिए "noticed" की जगह "notice" होगा।