Assertion: Nitrate present in the soil is reduced to nitrogen by the process of denitrification Reason: Denitrification is carried by bacteria Pseudomonas asnd Azotobacter.A. If both assertio and reason are true and reason is the correct explanation of assertionB. if both assertion and reason are true but reason is not the correct explanation of assertionC. if assertion is true but reason is falseD. if both assertion and reason are false

Assertion: Nitrate present in the soil is reduced to nitrogen by the p

1.	Assertion: Nitrate present in the soil is reduced to nitrogen by the process of denitrification Reason: Denitrification is carried by bacteria Pseudomonas asnd Azotobacter.A. If both assertio and reason are true and reason is the correct explanation of assertionB. if both assertion and reason are true but reason is not the correct explanation of assertionC. if assertion is true but reason is falseD. if both assertion and reason are false
Answer» Correct Answer - C The nitrate formed by nitrification is absorbed by plants and is transported to the leaves. In leaves, it is reduced to form ammonia that finally forms the amine group of amino acids. Nitrate present in the soil is also reduce to nitrogen by the process of denitrication. Denitrification is carried by bacteria Pseudomonas and Thiobacilus.

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Nitrogenase enzyme isA. sensitive to moleculer oxygenB. only present in prokaryotesC. present within the bacteroidsD. all of the above
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On the basis of symptoms of chlorosis in leaves, a student inferred that this was due to deficiency of nitrogen. This inference could be correct only if we assume that yellowing of leaves apeared first inA. old leavesB. young leavesC. young leaves folowed by mature leaveD. mature leaves followed by young leaves
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