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Class 12 Chemistry: Biomolecules
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MCQs on biomolecules carbohydrates, proteins, enzymes, vitamins, nucleic acids and hormones.

Class 12 Chemistry: Biomolecules
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25 Questions

1. Which of the following is incorrect regarding tryptophan?
2. Which of the following carbohydrates is not a sugar?
3. Enzymes are basically ______
4. The reaction of glucose with hydrogen cyanide confirms the ______
5. Which of the following amino acids contains only one amino group?
6. Which of the following hormone is a polypeptide?
7. The enzyme which catalyses the conversion of proteins to amino acids is ______
8. Which of the following is soluble in water?
9. How many peptide linkages does a hexapeptide have?
10. Disaccharides on _______ with dilute HCl yield two same or different monosaccharides.
11. The structure in which all peptide chains are stretched out to full extension and laid side by side through intermolecular hydrogen bonds is called ______
12. The reaction of glucose with which of the following proves the presence of an aldehydic group?
13. Identify the monosaccharide from the following.
14. RNA on hydrolysis does not yield which of the following?
15. Enzymes are regarded as ______
16. Cysteine is a/an ________ amino acid.
17. Which of the following vitamins are soluble in water?
18. Which of the following carbohydrates does not satisfy the formula Cx(H2O)y?
19. Identify from the following pairs, a pair of aldoses.
20. Which of the following is incorrect regarding maltose?
21. The α-D-glucose and β-D-glucose isomers of glucose are known as _______
22. Identify 'X' in the following reaction.
Find methods used for preparation of glucose from the given diagram
23. Raffinose is an example of a ________
24. Fructose is commonly known as ______
25. The class of compounds showing vitamin E activity are called _______

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