Respiration in Plants Questions and Answers Part-7

1. Besides the net gain of 2 ATP molecules in glycolysis which other molecules are simultaneously formed?
a) \[FADH_{2}\]
b) \[NADPH_{2}\]
c) \[NADH_{2}\]
d) \[FAMH_{2}\]

Answer: c
Explanation: \[NADH_{2}\]

2. The total ATP production during EMP pathway is
a) 24 ATP molecules
b) 8 ATP molecules
c) 38 ATP molecules
d) 6 ATP molecules

Answer: b
Explanation: 8 ATP molecules

3. Glycolysis takes place in
a) Mitochondria
b) Cytoplasm
c) Both mitochondria and cytoplasm
d) Vacuole

Answer: b
Explanation: Glycolysis takes place in cytoplasm

4. Pyruvate (pyruvic acid) dehydrogenase is used in converting
a) Pyruvate to glucose
b) Glucose to pyruvate
c) Pyruvic acid to lactic acid
d) Pyruvate (pyruvic acid) to acetyl-CoA

Answer: d
Explanation: Pyruvate (pyruvic acid) to acetyl-CoA

5.The number of molecules of pyruvic acid formed from one molecule of glucose at the end of glycolysis is
a) 1
b) 2
c) 3
d) 4

Answer: b
Explanation: 2 molecules

6.What is the other name of glycolysis?
a) EMP pathway
b) TCA pathway
c) HMS pathway
d) None of these

Answer: a
Explanation: EMP pathway

7. The common phase between aerobic and anaerobic respiration is called
a) Tricarboxylic acid cycle
b) Oxidative phosphorylation
c) Embden, Meyerhoff, Parnas cycle
d) Kreb’s cycle

Answer: c
Explanation: Embden, Meyerhoff, Parnas cycle

8. The oxidation of one \[NADH_{2}\]   yields
a) 18 ATP
b) 6 ATP
c) 3 ATP
d) 2 ATP

Answer: c
Explanation: 3 ATP

9. The end product of glycolysis is
a) acetyl-CoA
b) Citric acid
c) Pyruvic acid
d) Fumaric acid

Answer: c
Explanation: The end product of glycolysis is Pyruvic acid.

10. The first step of glycolysis is:
a) Breakdown of glucose
b) Phosphorylation of glucose
c) Conversion of glucose into fructose
d) Dehydrogenation of glucose

Answer: b
Explanation: The first step of glycolysis is phosphorylation of glucose.