BOTANY Higher Secondary Second Year - Textbooks Online

14. Formation of ATP during electron transport chain is known as
a. dephosphorylation b. phtophosphorylation
c. oxidative phosphorylation d. substrate level phosphorylation
15. Which of the following is referred to as EMP pathway?
a. Glycolysis b. Krebs cycle
c. Electron transport chain d. Pentose phosphate pathway
16. The total amount of energy released from one molecule of glucose
on oxidation is about
a. 1600 kJ b. 2300 kJ
c. 2500 kJ d. 2900 kJ
17. Which of the following is a 5C compound?
a. Phosphoglyceraldehyde b. Erythrosephosphate
c. Xylulose phosphate d. Sedoheptulose phosphate
II. Answer the following questions in two or three sentences.
18. Define respiration.
19. What is glycolysis?
20. Write the overall reaction of glycolysis.
21. What is the function of aldolase in the process of glycolysis?
22. What is Krebs cycle?
23. What is the role of aconitase in Krebs cycle?
24. What is oxidative phosphorylation?
25. Explain anaerobic respiration?
26. Define respiratory quotient.
27. The respiratory quotient for anaerobic respiration is infinity. Give
reasons.
28. What is fermentation?
III. Answer the following questions in about 100 words.
29. Write short notes on electron transport chain.
30. Explain Ganong’s respiroscope experiment.
31. Write the significance of pentose phosphate pathway.
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