जॉइन Examsbook
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Comprehension: In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
 Nitrogen is essential to life (1)______ Earth. It is a component of all proteins, and it can be (2)______ in all living systems. Nitrogen compounds are (3)______ in organic materials, foods, fertilisers, explosives and poisons. Nitrogen is crucial to life, (4)______ in excess it can also be (5)______ to the environment.

प्र:

Select the most appropriate option to fill in blank number 4.

  • 1
    such
  • 2
    because
  • 3
    but
  • 4
    If
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उत्तर : 3. "but "

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