Biomolecules NEET Chemistry MCQBy admin / November 22, 2025 NEET Chemistry Biomolecules Quiz | studychem.in NEET Chemistry (Biomolecules) MCQ Quiz 1. All monosaccharides …………….. Tollens’ reagent. a) Oxidise b) condense with c) reduce d) add to 2. RNA differs from DNA in respect of a base a) thymine b) adenine c) guanine d) cytosine 3. The best source of vitamin A is: a) beans b) pulses c) orange d) carrot 4. The helical structure of protein is stabilized by: a) dipeptide bonds b) hydrogen bonds c) peptide bonds d) ether bonds 5. Which of the following is the sweetest sugar? a) Sucrose b) Glucose c) Fructose d) Maltose 6. Which one of the following is laevorotatory? a) Glucose b) Fructose c) Sucrose d) Lactose 7. Iodine test is shown by: a) polypeptide b) glycogen c) starch d) glucose 8. Cellulose is a linear polymer of: a) α-glucose b) β-glucose c) α-fructose d) amylose 9. An aldose is converted into its next higher homologue by: a) Amadori rearrangement b) Killiani’s reaction c) Wohl’s method d) Mutarotation 10. Lactose on hydrolysis gives a) glucose b) fructose c) fructose + glucose d) glucose + galactose 11. The organic compounds of high physiological importance which are essential in small amounts for the wellbeing of all human beings are: a) proteins b) vitamins c) mineral salts d) enzymes 12. The only amino acid which is non-chiral is: a) lysine b) proline c) glycine d) histidine 13. The coagulation of protein is called: a) dehydration b) decay c) deamination d) denaturing 14. Main structural unit of protein is: a) ester linkage b) ether linkage c) peptide linkage d) all of these 15. Which one is a disaccharide? a) Starch b) Lactose c) Cellulose d) Fructose 16. Insulin is secreted from: a) thyroid b) pancreas c) adrenal body d) none of these 17. Amino acids are building blocks of: a) carbohydrates b) fats c) proteins d) vitamins 18. Hydrolysis of sucrose is called: a) saponification b) hydration c) inversion d) esterification 19. Calorific value is in the order of: a) fats > carbohydrates > proteins b) carbohydrates > fats > proteins c) proteins > carbohydrates > fats d) fats > proteins > carbohydrates 20. Which of the following foodstuffs contain nitrogen? a) Carbohydrates b) Protein c) Fats d) None of these 21. The number of amino acids which form proteins in nature is about: a) 6 b) 10 c) 15 d) 20 22. Which one is not the essential constituent of balanced diet? a) Hormones b) Carbohydrates c) Fats d) Vitamins 23. The bond that determines the secondary structure of a protein is: a) ionic bond b) covalent bond c) coordinate bond d) hydrogen bond Submit Answers Show Answer Key Answer Key: Share this: Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X
Ionic Equilibrium – 40 Important MCQs Practice Leave a Comment / Chemistry Question Paper, Class 11 Chemistry, Equilibrium, Exam Preparation / By admin
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