Same chapter3 marksDifficulty: Medium
What are essential and non-essential amino acids? Give one example of each.
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3 marksDifficulty: Medium
Distinguish between a reducing and a non-reducing sugar, with one example of each.
Original Khojo Papers practice question — not from a past board paper.
Answer
A reducing sugar has a free aldehyde or ketone group and reduces Tollens' and Fehling's reagents; glucose and maltose are examples. A non-reducing sugar has no such free group because it is involved in the glycosidic linkage; sucrose is the standard example.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
Sucrose becomes reducing after hydrolysis, which frees the groups.
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Solutions