Question

Directions: In each of the following question, a part of the given sentence has been underlined as this part may have an error. The first option is the same as the underlined part in the given sentence. Choose this option if you think that the underlined part has no error. Otherwise, choose the option that rectifies the error in the underlined part of the given sentence.
Tropical forests play a key role as the world's carbon and wildlife reservoirs.

• A. Play a key role as the world's
• B. Had played a key role in the world's
• C. Have been played a key role at the world's
• D. Has played a key role for the world's
• E. Plays a key role beside the world's

Answer 1

The Correct Option is A

To solve the given sentence correction problem, we need to analyze the underlined part of the sentence and determine whether it contains any grammatical or contextual errors.

The sentence provided is: "Tropical forests play a key role as the world's carbon and wildlife reservoirs."

Let's break down this sentence:

1. Play: The verb "play" is in present tense, which is appropriate because it indicates an ongoing or habitual action. In this context, tropical forests continuously contribute as carbon and wildlife reservoirs.
2. a key role as: This phrase correctly identifies the importance and function of tropical forests. Using "as" indicates the role or capacity they serve, which is fitting for the context.
3. the world's: This is possessive and shows that the forests serve a global function, which is appropriate here.

None of the alternative options provide a grammatically correct or contextually appropriate replacement for the underlined segment:

• Had played a key role in the world's: "Had played" is in the past perfect tense, which would imply the action was completed before another past action. This is inaccurate for describing current roles.
• Have been played a key role at the world's: Incorrect structure and usage of "have been" with the verb "play." It does not convey the intended meaning accurately.
• Has played a key role for the world's: "Has played" suggests a completed action affecting the present, but in continuous roles, present tense is more suitable.
• Plays a key role beside the world's: Replaces "as" with "beside," which changes the meaning significantly, implying a location-based relationship instead of a function.

Therefore, the option "Play a key role as the world's" is indeed correct. It reflects the present continuous significance and function of tropical forests accurately.