NEET Zoology (general) MCQ Question
Which combination of statements about biomolecules is correct?
Biomolecules in living organisms are made of the same elements as non-living matter; enzymes speed up chemical reactions without being consumed.
All biomolecules are composed solely of carbon and oxygen; enzymes increase the activation energy required for reactions.
Biomolecules differ in elemental composition from non-living matter; enzymes slow down chemical reactions.
Only organic molecules are considered biomolecules; enzymes do not interact with substrates.
Correct Answer
Detailed Explanation
Statement A correctly reflects that biomolecules in living organisms share elemental composition with non-living matter and that enzymes catalyze reactions without being consumed. Statements B, C, and D contain inaccuracies regarding the nature of biomolecules and enzyme function.
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