1. Glycerol enters the respiratory pathway at
a) Glu-6‒phosphate
b) PGA
c) PGAL
d) PEP
Explanation: Glycerol enters the respiratory pathway at PGAL.
2. Amino acid enters in the respiratory pathway at
a) Kreb’s cycle
b) Pyruvate
c) Acetyl CoA
d) Any of these
Explanation: Any of these
3. Fatty acid for entry into Kreb’s cycle is degraded to
a) Pyruvate
b) Citric acid
c) Acetyl-CoA
d) PGA
Explanation: Fatty acid for entry into Kreb’s cycle is degraded to Acetyl-CoA
4. RQ for tripalmitin is
a) 0.8
b) 0.7
c) 0.9
d) 0.5
Explanation: RQ for tripalmitin is 0.7
5. RQ for protein is
a) 0.8
b) 0.7
c) 0.9
d) 0.5
Explanation: RQ for protein is 0.9
6. RQ for carbohydrate is
a) 0.7
b) 0.9
c) 1
d) 0.4
Explanation: RQ for carbohydrate is 1
7. Conversion of pyruvic acid into ethyl alcohol is facilitated by
a) Carboxylase
b) Dehydrogenase
c) Decarboxylase and dehydrogenase
d) Phosphatase
Explanation: Decarboxylase and dehydrogenase
8. Fermentation is represented by the equation
Explanation:
9. Anaerobic respiration takes place in the
a) Mitochondria
b) Cytoplasm
c) Lysosomes
d) LR
Explanation: Anaerobic respiration takes place in the Cytoplasm
10. What is the total gain of energy during anaerobic respiration?
a) One molecule of ATP
b) Two molecules of ATP
c) Four molecules of ATP
d) Eight molecules of ATP
Explanation: Two molecules of ATP