Select the most appropriate option to fill in the blank. Select 'No article needed' if the sentence does not need an article.

The Physicist made ___ innovative breakthrough in the field of quantum mechanics.

This question was previously asked in
OSSC Excise SI (Mains) Official Paper (Held On: 17 Oct, 2024 Shift 1)
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  1. the
  2. an
  3. No article needed
  4. a

Answer (Detailed Solution Below)

Option 2 : an

Detailed Solution

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The correct answer is ' an' .
 
Key Points
  • The article "an" is used before words that begin with a vowel sound.
  • The word "innovative" begins with a vowel sound, so "an" is the correct article to use.
  • Options 1, 3, and 4 are grammatically incorrect in this context.
Therefore, the correct answer is Option 2.
 
Complete Sentence: "The Physicist made an innovative breakthrough in the field of quantum mechanics."
 
Additional Information
  • Option 1: "the" is incorrect because "the" is a definite article and does not fit the context here.
  • Option 3: "No article needed" is incorrect because an article is required before "innovative."
  • Option 4: "a" is incorrect because "a" is used before words that begin with a consonant sound.
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