Mdcat Biology XI Bioenergetics Mcqs test 1

1. Which of the following is not involved in cyclic photophosphorylation?

2. It has main role in the conversion of Light energy into chemical energy:

3. It is by product of photosynthesis:

4. Net equation of photosynthesis is exactly opposite to the equation of:

5. Which part of the cell does glycolysis occur in :

6. Pyruvic acid is acid of :

7. The enzyme which is used in Calvin cycle is:

8. Photophosphorylation takes place in the _______ of the choloroplasts:

9. Xanthophyll is a pigment having:

10. Product of anaerobic respiration in animals is ________.

11. Acetyl CoA loses CoA and combines with a 4-Carbon compound which is:

12. The photosynthetic pigments can be separated by a process called:

13.

Wines and beers are formed due to ________ process.

14. Pyruvic acid is the end product of ________.

15. Where is oxygen produced in plants:

16.

What happens during the light phase of photosynthesis?

17. Which compound captures light energy in plants?

18. It is the product of cyclic photophosphorylation

19. Actual source of oxygen during photosynthesis is:

20. A water molecule is released in glycolysis when:

21. Stage of cellular respiration that essentially occurs in cytoplasm:

22. End product of preparatory phase of glycolysis is:

23. Acetaldehyde is formed as an intermediate compound during:

24. It involves complete breakdown of glucose molecule:

25. Carbon dioxitle labeIed with ¹⁴C?has been used to identify the intermediate compounds in the Calvin cycle, the light-independent stage in photosynthesis. Which compound would be the first to contain the ¹⁴C?

26. . Carbohydrate that is produced directly from Calvin Cycle is:

27. During photosynthesis, light energy is captured  by:

28. Photoexcited electrons pass form PSII to PSI via :

29. Electron whole of chlorophyll in PS II is filled by electron that is extracted from:

30. Synthesis of  ATP  in the presence of oxygen is called :

31. Formation of ATP at respiratory chain is called:

32. In aerobic respiration, H2O as a final product is generated during:

33. During oxidative phosphorylation, H+ are pumped across:

34. In which step of Krebs cycle decarboxylation does occur?

35. Number of ATP generated by one Kreb’s cycle at substrate level is:

36. How many molecules of NADH are formed when one glucose molecules pass through  Krebs cycle?

37. During Krebs cycle, FADH2 is formed during conversion of:

38. Which of following directly enters in krebs cycle ?

39. Net production of ATP molecules in a prokaryotic cell when a glucose molecule is       completely oxidized is:

40. Which of these processes will not occur in the absence of O2?

41. Pyruvate produced during glycolysis proceeds further in presence of oxygen through:

42. Majority of the cells depend  ultimately for their supply of free energy on oxidation reactions such as:

43. It is the universal process by which organism’s breakdown complex compound containing carbon in a way that allows cells to harvest a maximum of usable energy:

44. It is the process by which energy is made available to cells in a step-by-step breakdown of C—chain molecules in the cells:

45. During aerobic respiration, glucose is utilized to:

46. In Which of the following , NADPH is Converted into NADP+,

47. Which is most closely associated with calvin cycle:

48. Phase of Calvin cycle that is dependent on rubisco:

49. The dark reactions of photosynthesis takes pIace in:

50. Mitochondria are involved in all of the following except: