Biomolecules NEET Chemistry MCQBy admin / November 22, 2025 NEET Chemistry Biomolecules Quiz | studychem.inNEET Chemistry (Biomolecules) MCQ Quiz1. All monosaccharides …………….. Tollens’ reagent. a) Oxidise b) condense with c) reduce d) add to2. RNA differs from DNA in respect of a base a) thymine b) adenine c) guanine d) cytosine3. The best source of vitamin A is: a) beans b) pulses c) orange d) carrot4. The helical structure of protein is stabilized by: a) dipeptide bonds b) hydrogen bonds c) peptide bonds d) ether bonds5. Which of the following is the sweetest sugar? a) Sucrose b) Glucose c) Fructose d) Maltose6. Which one of the following is laevorotatory? a) Glucose b) Fructose c) Sucrose d) Lactose7. Iodine test is shown by: a) polypeptide b) glycogen c) starch d) glucose8. Cellulose is a linear polymer of: a) α-glucose b) β-glucose c) α-fructose d) amylose9. An aldose is converted into its next higher homologue by: a) Amadori rearrangement b) Killiani’s reaction c) Wohl’s method d) Mutarotation10. Lactose on hydrolysis gives a) glucose b) fructose c) fructose + glucose d) glucose + galactose11. 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) enzymes12. The only amino acid which is non-chiral is: a) lysine b) proline c) glycine d) histidine13. The coagulation of protein is called: a) dehydration b) decay c) deamination d) denaturing14. Main structural unit of protein is: a) ester linkage b) ether linkage c) peptide linkage d) all of these15. Which one is a disaccharide? a) Starch b) Lactose c) Cellulose d) Fructose16. Insulin is secreted from: a) thyroid b) pancreas c) adrenal body d) none of these17. Amino acids are building blocks of: a) carbohydrates b) fats c) proteins d) vitamins18. Hydrolysis of sucrose is called: a) saponification b) hydration c) inversion d) esterification19. Calorific value is in the order of: a) fats > carbohydrates > proteins b) carbohydrates > fats > proteins c) proteins > carbohydrates > fats d) fats > proteins > carbohydrates20. Which of the following foodstuffs contain nitrogen? a) Carbohydrates b) Protein c) Fats d) None of these21. The number of amino acids which form proteins in nature is about: a) 6 b) 10 c) 15 d) 2022. Which one is not the essential constituent of balanced diet? a) Hormones b) Carbohydrates c) Fats d) Vitamins23. 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: Share on Facebook (Opens in new window) Facebook 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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