Molecular Biology Multiple Choice Questions with Answers – PDF Download

MCQ 1: Breakdown of carbohydrate molecule (C_nH_2mO_m) is known as:

1. breathing
2. catabolic process
3. anabolic process
4. photolysis

MCQ 2: Process of condensing many small molecules to form one large molecule is called:

1. polymerization
2. condensation
3. hydrolysis
4. oxidation

MCQ 3: Combination of glucose (C₆H₁₂O₆) and fructose (C₆H₁₂O₆) molecules result in:

1. maltose
2. sucrose
3. galactose
4. lactose

MCQ 4: Ozone depletion can be prevented with:

1. use of scrubbers in factory chimneys
2. acidic waste is treated with alkalis
3. fossil fuels are used in factories
4. lower consumption of chlorofluorocarbons-based products

MCQ 5: Which one is true about cuticlar transpiration:

1. is the same as the stomatal transpiration
2. helps plant get rid of excess water
3. is more common in plants
4. looses lesser water as cuticle is relatively impermeable to water