Respiration (Exchange Gases; Cellular Respiration-Glycolysis, Fermentation (Anaerobic), TCA Cycle and Electron Transport System (Aerobic); Energy Relations- Number of ATP Molecules Generated; Amphibolic Pathways; Respiratory Quotient) NEET Questions

Biology - Plant Physiology

Respiration (Exchange Gases; Cellular Respiration-Glycolysis, Fermentation (Anaerobic), TCA Cycle and Electron Transport System (Aerobic); Energy Relations- Number of ATP Molecules Generated; Amphibolic Pathways; Respiratory Quotient) MCQ Questions


13.
Alcoholic fermentation is carried out by:
A.
Plasmodium
B.
Lactobacillus
C.
Yeast
D.
Mycobacterium
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ANSWER :
C. Yeast
14.
In alcoholic fermentation, pyruvic acid is converted into:
A.
Acetyl CoA and CO2
B.
Methanol and water
C.
Lactic acid only
D.
Ethanol and CO2
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ANSWER :
D. Ethanol and CO2
15.
Lactic acid fermentation occurs in:
A.
Skeletal muscles during vigorous exercise
B.
Liver during fasting
C.
Kidneys during dehydration
D.
Brain during sleep
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ANSWER :
A. Skeletal muscles during vigorous exercise
16.
How many ATP molecules are produced (net) per glucose during fermentation?
A.
38
B.
2
C.
36
D.
4
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ANSWER :
B. 2
17.
Which enzyme converts acetaldehyde to ethanol in yeast?
A.
Pyruvate decarboxylase
B.
Pyruvate dehydrogenase
C.
Lactate dehydrogenase
D.
Alcohol dehydrogenase
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ANSWER :
D. Alcohol dehydrogenase
18.
In lactic acid fermentation, pyruvate is reduced to lactate by the enzyme:
A.
Pyruvate decarboxylase
B.
Hexokinase
C.
Lactate dehydrogenase
D.
Alcohol dehydrogenase
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ANSWER :
C. Lactate dehydrogenase