Parts of the given sentence have been given as options. One of them may contain an error. Select the part that contains the error from the given options. If you don’t find any error, mark ‘No error’ as your answer.
In many places, restoring mangrove forests can be an extreme effective strategy.

Correct option is D

Option (d) extreme effective strategy contains an error.
Error Explanation: The word extreme is incorrect here. The correct phrase should be extremely effective strategy because extremely (an adverb) is required to modify the adjective effective. (Hindi meaning: अत्यधिक प्रभावी)
Corrected sentence:
In many places, restoring mangrove forests can be an extremely effective strategy.
Grammatical rule used:
· Adverb before an adjective: When modifying an adjective ( effective), an adverb ( extremely) should be used instead of an adjective ( extreme).
· Example:
· ❌ This is an extreme useful tool.
· ✅ This is an extremely useful tool.