Here are 10 biomolecules NEET questions. Solving previous year questions is very important for success in NEET exam.
1. Which one of the following statements is correct with reference to enzymes? [NEET-2017]
(1) Apoenzyme = Holoenzyme + Coenzyme
(2) Holoenzyme = Apoenzyme + Coenzyme
(3) Coenzyme = Apoenzyme + Holoenzyme
(4) Holoenzyme = Coenzyme + Cofactor
2. A non-proteinaceous enzyme is[NEET (Phase-2) 2016]
(1) Lysozyme
(2) Ribozyme
(3) Ligase
(4) Deoxyribonuclease
3. Which of the following is the least likely to be involved in stabilizing the three-dimensional folding of most proteins? [NEET (Phase-2) 2016]
(1) Hydrogen bonds
(2) Electrostatic interaction
(3) Hydrophobic interaction
(4) Ester bonds
4. Which of the following describes the given graph correctly? [NEET (Phase-2) 2016)
(1) Endothermic reaction with energy A in presence of enzyme and B in absence of enzyme
(2) Exothermic reaction with energy A in presence of enzyme and B in absence of enzyme
(3) Endothermic reaction with energy A in absence of enzyme and B in presence of enzyme
(4) Exothermic reaction with energy A in absence of enzyme and B in presence of enzyme
5. A typical fat molecule is made up of [NEET-2016]
(1) Three glycerol and three fatty acid molecules
(2) Three glycerol molecules and one fatty acid molecule
(3) One glycerol and three fatty acid molecules
(4) One glycerol and one fatty acid molecule
6. Which one of the following statements is wrong? [NEET-2016]
(1) Glycine is a sulphur containing amino acid
(2) Sucrose is a disaccharide
(3) Cellulose is a polysaccharide
(4) Uracil is a pyrimidine
7. A phosphoglyceride is always made up of: [NEET-2013]
(1) Only an unsaturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached
(2) A saturated or unsaturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached
(3) A saturated or unsaturated fatty acid esterified to a phosphate group which is also attached to a glycerol molecule
(4) Only a saturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached
8. The essential chemical components of many coenzymes are: [NEET-2013]
(1) Nucleic acids
(2) Carbohydrates
(3) Vitamins
(4) Proteins
9. Transition state structure of the substrate formed during an enzymatic reaction is: [NEET-2013]
(1) Permanent but unstable
(2) Transient and unstable
(3) Permanent and stable
(4) Transient but stable
10. Macromolecule chitin is [NEET-2013]
(1) Phosphorus containing polysaccharide
(2) Sulphur containing polysaccharide
(3) Simple polysaccharide
(4) Nitrogen containing polysaccharide
Biomolecules NEET questions end here.