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Respiration in Plants

Glycolysis: Pathway and Significance Practice Questions

20 free Glycolysis: Pathway and Significance practice questions for the NCERT Biology, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.

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All Glycolysis: Pathway and Significance questions

20 questions
  1. Q1. The scheme of glycolysis was given by which group of scientists?
  2. Q2. In which part of the cell does glycolysis occur in both aerobic and anaerobic organisms?
  3. Q3. Sucrose is converted into glucose and fructose by the enzyme:
  4. Q4. During the 'preparatory phase' of glycolysis, how many ATP molecules are consumed for one molecule of glucose?
  5. Q5. Which enzyme catalyzes the phosphorylation of glucose to glucose-6-phosphate?
  6. Q6. Fructose-1,6-bisphosphate splits into two 3-carbon compounds. These are:
  7. Q7. In the payoff phase of glycolysis, NAD+ is reduced to NADH + H+ during the conversion of:
  8. Q8. How many total molecules of ATP are directly synthesized (gross yield) from one molecule of glucose during glycolysis?
  9. Q9. What is the end product of glycolysis?
  10. Q10. The conversion of PEP (phosphoenolpyruvate) to pyruvic acid results in the production of:
  11. Q11. Which of the following is the key 'regulatory' or 'pacemaker' enzyme of glycolysis?
  12. Q12. During the dehydration step of glycolysis, 2-phosphoglycerate is converted to phosphoenolpyruvate (PEP) by which enzyme?
  13. Q13. Which molecule is known as the 'mobile electron carrier' that is reduced during glycolysis and carries electrons to the ETC in aerobic respiration?
  14. Q14. In the absence of oxygen, what is the fate of the NADH produced in glycolysis?
  15. Q15. What is the net gain of ATP molecules for every one molecule of glucose undergoing glycolysis?
  16. Q16. Which step in glycolysis involves the use of inorganic phosphate (Pi) rather than ATP?
  17. Q17. How many molecules of pyruvic acid are produced from the complete glycolysis of three molecules of glucose?
  18. Q18. Which of the following describes the nature of the glycolysis pathway?
  19. Q19. The conversion of 3-phosphoglyceric acid (3-PGA) to 2-phosphoglyceric acid (2-PGA) is a/an:
  20. Q20. Which of the following is NOT produced during glycolysis?