JEE CHEMISTRY MCQ: BIOMOLECULES

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Assertion:- Sucrose is dextrorotatory but its aqueous solution is laevorotatory.

Reason:- Dextro rotation of glucose is less than laevorotation of fructose.

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Correct option: A

If both assertion & reason true & the reason is a correct explanation of the assertion

Option A (If both assertion & reason true & the reason is a correct explanation of the assertion) is correct because sucrose is initially dextrorotatory, but after hydrolysis, the resulting solution is laevorotatory due to the greater laevorotation of fructose compared to the dextrorotation of glucose.

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Which one of the following compounds is different from the rest in terms of undergoing hydrolysis to form simpler compounds? Which of the following enzymes, converts glucose to alcohol? The one which has least iodine value is Identify the essential amino acids from below:

(A) Valine
(B) Proline

(C) Lysine
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(E) Tyrosine

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