Identify the grammatically incorrect part: The researcher (A) is interested in (B) how (C) climate change affects (D) biodiversity.
Q1. Identify the grammatically incorrect part: The researcher (A) is interested in (B) how (C) climate change affects (D) biodiversity.
Answer: biodiversity
Explanation: Correct answer is D. 'Biodiversity' is singular; 'affects' is correct as the verb agrees with 'climate change'.