Improve the underlined part of the sentence. Choose 'No improvement' as an answer if the sentence is grammatically correct.

"The number of species on the planet are dwindling due to climate change."

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AFCAT 01/2023 Memory Based Paper 24 Feb 2023
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  1. is dwindling due to
  2. are dwindling because of
  3. is dwindling as a consequence of
  4. No improvement

Answer (Detailed Solution Below)

Option 1 : is dwindling due to
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Detailed Solution

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The correct answer is 'is dwindling due to'.

 Key Points

  • The subject of the sentence is 'The number of species', which is singular.
  • Therefore, a singular verb should be used. The verb 'are' mismatches with the singular subject in the sentence.
  • 'The number of something' always takes a singular verb, so 'The number of species...are' must be replaced with 'The number of species...is'
  • Therefore, "The number of species...are dwindling due to" should be replaced with "The number of species...is dwindling due to".

Therefore, the correct answer is ‘Option 1’.

 Additional Information

  • Option 2, 'are dwindling because of', is not correct due to the verb tense issue as explained before. The subject is singular, so the verb should be 'is', not 'are'.
  • Option 3, 'is dwindling as a consequence of', although grammatically correct and means the same thing as 'due to', is not the best choice since it changes the original sentence more than necessary.
  • 'No improvement' is not a suitable option as the original sentence is erroneous
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