BIOENERGETICS | Mcqs

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1. Bioenergetics is the study of:
A. Only photosynthesis B. Only respiration C. How living organisms acquire, convert, store, and use energy D. Chemical composition of living organisms

2. Organisms obtain energy primarily from:
A. Their surroundings B. ATP only C. Water and minerals D. Cell organelles

3. Plants capture sunlight through:
A. Respiration B. Photosynthesis C. Fermentation D. Oxidation

4. Animals obtain energy mainly by:
A. Absorbing sunlight B. Consuming food C. Oxidizing oxygen D. Using ATP directly

5. Chemical energy in cells is stored in:
A. Glucose B. DNA C. ATP D. NADP

6. ATP stands for:
A. Adenosine triphosphate B. Adenine triphosphate C. Adenosine tetraphosphate D. Adenine tetraphosphate

7. Which of the following is NOT a process that uses ATP?
A. Growth B. Movement C. Repair D. Photosynthesis in plants

8. Oxidation-reduction reactions are also called:
A. Endothermic reactions B. Redox reactions C. Hydrolysis reactions D. Condensation reactions

9. In oxidation, a molecule:
A. Gains electrons B. Loses electrons C. Splits into ions D. Forms ATP

10. In reduction, a molecule:
A. Gains electrons B. Loses electrons C. Loses ATP D. Gains protons only

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