MCQ Questions on Respiration In Plants
1. Alpha-ketoglutarate dehydrogenase results in
(a) Oxidation and Decarboxylation
(b) Reduction
(c) Oxidation
(d) None of the above
Answer
Answer: (a) Oxidation and Decarboxylation
2. _________ is a product of aerobic respiration
(a) Malic acid
(b) Pyruvate
(c) Ethylene
(d) Lactose
Answer
Answer: (a) Malic acid
3. Energy gained during aerobic respiration is _______ times more than anaerobic respiration.
(a) 8
(b) 12
(c) 19
(d) 32
Answer
Answer: (c) 19
4. Glycolysis is also known as ________
(a) EMP pathway
(b) TCA pathway
(c) carbon sequestration
(d) None of the above
Answer
Answer: (a) EMP pathway
5. On oxidation of 1 molecule of glucose, ______ ATP is produced through aerobic respiration
(a) 10
(b) 25
(c) 30
(d) 38
Answer
Answer: (d) 38
6. Protons accumulate on the __________ in mitochondria.
(a) Inner membrane
(b) Intermembrane space
(c) Outer membrane
(d) None of the above
Answer
Answer: (b) Intermembrane space
7. Oxidative phosphorylation usually refers to________
(a) Anaerobic production of ATP
(b) Citric acid cycle production of ATP
(c) Alcoholic fermentation
(d) None of the above
Answer
Answer: (b) Citric acid cycle production of ATP
8. The process of cell respiration is carried out by _______
(a) Mitochondria
(b) Chloroplast
(c) Nucleus
(d) None of the above
Answer
Answer: (a) Mitochondria
9. An important product of the Krebs cycle is
(a) Water
(b) Methane
(c) ATP
(d) None of the above
Answer
Answer: (c) ATP
10. Acetyl CoA forms a 6-C compound after combining with
(a) Oxygen
(b) Pyruvic acid
(c) Citric acid
(d) Oxaloacetic acid
Answer
Answer: (d) Oxaloacetic acid