Select the option that will improve the underlined part of the given sentence. In case no improvement is needed, select 'No improvement required'.
The plants readily respond to these stimulus.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is Option 1 i.e. readily respond to these stimuli.
- The underlined part of the sentence is "these stimulus."
- The correct form of the word "stimulus" depends on whether it is singular or plural. In this case, "stimulus" is plural, and the correct form is "stimuli."
- Therefore, the correct improved sentence is "The plants readily respond to these stimuli."