Mcqs of glycolysis
What is the end product of glycolysis?
a) ATP
b) Pyruvate
c) Acetyl-CoA
d) NADH
Answer: b) Pyruvate
In which organelle does glycolysis occur?
a) Mitochondria
b) Nucleus
c) Endoplasmic reticulum
d) Cytoplasm
Answer: d) Cytoplasm
How many ATP molecules are produced during glycolysis?
a) 2
b) 4
c) 6
d) 8
Answer: a) 2
Which enzyme is responsible for the phosphorylation of
glucose in the first step of glycolysis?
a) Phosphofructokinase
b) Hexokinase
c) Pyruvate kinase
d) Aldolase
Answer: b) Hexokinase
What is the netting yield of ATP produced during glycolysis?
a) 2
b) 4
c) 6
d) 8
Answer: a) 2
What is the function of NADH in glycolysis?
a) It is used to phosphorylate glucose.
b) It is the last product of glycolysis.
c) It is an electron carrier that can be used to produce ATP
in the electron transport chain.
d) It is converted to lactate or ethanol in the absence of
oxygen.
Answer: c) It is an electron carrier that can be used to
produce ATP in the electron transport chain.
Which one enzyme is responsible for the conversion of
glucose-6-phosphate to fructose-6-phosphate?
a) Phosphoglucoisomerase
b) Glucose-6-phosphatase
c) Phosphohexose isomerase
d) Fructose-1,6-bisphosphatase
Answer: c) Phosphohexose isomerase
What is the role of phosphofructokinase in glycolysis?
a) It is responsible for the phosphorylation of glucose.
b) It is responsible for the conversion of
fructose-6-phosphate to fructose-1,6-bisphosphate.
c) It is responsible for the conversion of
glyceraldehyde-3-phosphate to 1,3-bisphosphoglycerate.
d) It is responsible for the production of ATP from ADP and
inorganic phosphate.
Answer: b) It is responsible for the conversion of
fructose-6-phosphate to fructose-1,6-bisphosphate.
Which of the following is a high-energy intermediate in
glycolysis?
a) Fructose-6-phosphate
b) 3-phosphoglycerate
c) 1,3-bisphosphoglycerate
d) Pyruvate
Answer: c) 1,3-bisphosphoglycerate
Which one of the
following statements about glycolysis is true?
a) It occurs only in the presence of oxygen.
b) It is an anaerobic process.
c) It is a highly regulated process.
d) It does not produce any ATP.
Answer: c) It is a highly regulated process.
Which enzyme is responsible for the conversion of
1,3-bisphosphoglycerate to 3-phosphoglycerate?
a) Phosphoglycerate mutase
b) Pyruvate kinase
c) Triose phosphate isomerase
d) Phosphoglycerate kinase
Answer: a) Phosphoglycerate mutasey that is
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