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Byju's Answer
Standard VII
Chemistry
Nitrogen
Assertion : N...
Question
Assertion : Nitrogen is an essential component of proteins, DNA and chlorophyll.
Reason : Plants and animals can utilize atmospheric nitrogen.
A
Assertion is false but Reason is true.
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B
Both assertion and reason are true and reason is the correct explanation of assertion.
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C
Both assertion and reason are true but reason is not the correct explanation of assertion.
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D
Assertion is true but Reason is false.
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Solution
The correct option is
D
Assertion is true but Reason is false.
Nitrogen is a primary nutrient important for survival of all living organisms because it is an essential component of proteins, DNA and chlorophyll.
However Plants and animals cannot directly utilize atmospheric nitrogen.
They can use it only if it is in the form of ammonia, amino acids or nitrates.
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