Sample Questions — Biomacromolecules, primary and secondary metabolites
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MCQ
Identify the biomolecule that acts as an information molecule:
✅ Correct Answer: A
DNA carries genetic information, functioning as the information molecule.
MCQ
Select all correct statements about secondary metabolites:
1. They include antibiotics, rubber, pigments
2. They are involved in regular metabolic reactions
3. Some have ecological importance
4. Many are industrially useful
✅ Correct Answer: B
Statement 2 is incorrect – they are not involved in regular cellular metabolism.
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MCQ
Why are proteins considered heteropolymers?
✅ Correct Answer: D
Proteins are formed from 20 different types of amino acids, hence heteropolymers.
MCQ
What inference can be drawn if a compound is classified as a heteropolymer?
✅ Correct Answer: C
Heteropolymers are formed from more than one kind of monomer.
MCQ
Which of the following are NOT examples of primary metabolites?
✅ Correct Answer: D
Flavonoids are secondary metabolites, not involved in basic metabolism.
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