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| Biology 9th Chapter 7 Bioenergetics Questions Bank |
Chapter 7 Bioenergetics MCQs Questions Bank
Click the write option, green is correct and red color is wrong.
1. Adenosine can exist in the following form:
2. _______ is a coenzyme.
3. _________ is the synthesis of glucose from carbon dioxide and water in the presence of sunlight and chlorophyll.
4. _________ transfers energy between metabolic processes.
5. __________ is called cell’s energy currency:
6. ___________ is the movements of water from a dilute solution to the concentrated one, through a membrane.
7. Adenine is a:
8. Aerobic respiration occurs in:
9. ATP is a:
10. ATP is generated by:
11. ATP molecule was discovered in
12. ATP was discovered by:
13. ATP was proposed to be the main energy transfer molecule in the cell by:
14. By Product of Photosynthesis is:
15. Calvin was awarded Nobel prize in:
16. Chlorophyll pigment absorbs maximum light in wavelengths of:
17. Chlorophylls absorb type of light basically
18. CO2 gets absorbed in the thin layer of water surrounding:
19. Dark reactions are also called:
20. Dark reactions were discovered by:
21. During oxidation ____________ happens.
22. During reduction _____________ happens.
23. Each ATP molecule do not contain:
24. Each ATP molecules has the number of sub units:
25. Electron are the source of energy when:
26. Energy is required for the following life processes:
27. From which bonds of ATP molecule energy is ‘taken?
28. How many molecules of CO2 are produced when Krebs cycle operates once?
29. How many molecules of CO2 are produced when krebs cycle operates once?
30. How much ATP molecules are formed during Cellular Respiration?
31. How much light is absorbed falling on the leaf surface?
32. Hydrogen atom contains number of protons:
33. In cell aerobic respiration sites are:
34. In dark reactions 3-carbon compounds are reduced to form:
35. In which component of the leaf cells, chlorophyll is present?
36. In which of the following metabolic processes, oxidation as well as reduction If molecules occur?
37. In which of the following steps of respiration, CO2 is produced?
38. In which part of chloroplast, light reactions of photosynthesis take place
39. In which process oxygen is released as a bi product?
40. In which step of respiration carbon dioxide is produced?
41. Light reactions take place in:
42. Necessary for aerobic respiration:
43. Nitrogenous base of ATP molecule is:
44. Number of phosphate groups in ATP molecule:
45. One mole of ATP release energy:
46. Oxygen takes part in aerobic respiration in:
47. Photosynthesis occurs in _______ phases.
48. Process of glycolysis is found in
49. Redox reaction involve:
50. Redox reactions involve:
51. Ribose is a:
52. Stomata cover _______ of the leaf surface.
53. Sun light is absorbed by:
54. The air enters the leaf through __________.
55. The amount of energy released when one ATP is converted to ADP is:
56. The breaking of water molecule is called:
57. The cellular respiration occurring in the absence of oxygen is called:
58. The cellular respiration occurring in the presence of oxygen is called:
59. The covalent bond connecting two phosphates is indicated by:
60. The Covalent bond connecting two phosphates is indicated by:
61. The energy currency of all cells is:
62. The energy currency of all the cells is called:
63. The energy released from the bonds of food are stored in the bonds of:
64. The example of a nucleotide is:
65. The greatest fuel of energy for cellular respiration is:
66. The lose of electron from atom is called:
67. The photosynthesis takes place in:
68. The reaction which is the direct source of energy is:
69. The water absorbed though roots is eventually transported to leaves through:
70. The whole series of light reactions is called:
71. These are the source of energy.
72. Through which process organisms gets energy?
73. Water present in soil is absorbed by roots and root hairs through ____________.
74. When a plant was kept in darkness for many days, its leaves turned yellow why?
75. When ADP combines with Pi, ______ is recycled.
76. When an inorganic phosphate is released from ADP _________ is formed.
77. When chlorophyll absorbs light:
78. When the bond between two phosphate groups breaks ______________ is released.
79. When the bond between two phosphate groups breaks ATP becomes:
80. When we work hard we suffer from muscle fatigue because muscle cells:
81. Which of the following is an anabolic process?
82. Which of these are high energy molecules?
83. Which of these can enter into Krebs cycle?
Short Questions
1. Can all organisms do the process of photosynthesis?
2. carried out due to ATP?
3. Define aerobic respiration.
4. Define anaerobes.
5. Define anaerobic respiration (Fermentation).
6. Define bioenergetics.
7. Define Electron Transport Chain (ETC).
8. Define light-dependent reactions, or light reactions.
9. Define Oxidation and Reduction reactions.
10. Define oxidation and reduction with reference to living organisms.
11. Define photolysis.
12. Define photosynthesis.
13. Define photosystems.
14. Define Pigments. What are its types?
15. Define redox reactions. Why are they important?
16. Describe the process of osmosis.
17. Differentiate between aerobic and anaerobic respiration
18. Differentiate between oxidation and reduction.
19. Differentiate between photosynthesis and respiration.
20. Enlist the functions which are performed
21. How much energy is released from one mole of ATP?
22. How much energy is released when one phosphate bond breaks in an ATP molecule?
23. How much is the leaf surface covered by stomata?
24. How the electron can be energy carrier?
25. NADPH stands for what?
26. What are accessary pigments?
27. What are limiting factors?
28. What are redox reactions?
29. What are the conversion equations for ATP to AMP?
30. What are the locations for the occurrence of light and dark reactions?
31. What are the raw materials for photosynthesis?
32. What are the subunits of ATP?
33. What do you know about Hans Krebs?
34. What do you mean by Z-scheme?
35. What do you understand by ATP?
36. What events take place during dark reactions?
37. What is (NAD+)?
38. What is acetyl Co-A?
39. What is Alcoholic fermentation?
40. What is ATP?
41. What is Calvin cycle?
42. What is cellular respiration?
43. What is glycolysis?
44. What is Krebs cycle?
45. What is Lactic acid Fermentation?
46. What is Light Independent Reaction (Dark Reaction)?
47. What is photolysis?
48. What is respiration or cellular respiration?
49. What is the effect of concentration of CO2 on photosynthesis?
50. What is the major energy currency in all living cells?
51. When and what discovered by Karl Lohmann?
52. Who discovered ATP and who proposed it as energy-transfer molecule in the living cell?
53. Why it is said that all life depends on photosynthesis?
54. Write down name of two compounds produced during respiration process.
55. Write down the simple general equation for photosynthesis.
56. Write down the subunits of ATP.
57. Write the abbreviation of ATP, ADP and AMP.
58. Write the general equation for photosynthesis.
Long Questions
1. ATP is the energy currency of cell. Explain.
2. Briefly explain oxidation and reduction reactions.
3. Define anaerobic respiration and explain its types.
4. Define Bio-energetics and discuss energy transformations in living organisms.
5. Define limiting factor. Explain some of the limiting factors in photosynthesis.
6. Define photosynthesis, write its equation and describe that water and carbon dioxide are raw materials in photosynthesis.
7. Define respiration. Also discuss aerobic and anaerobic respiration.
8. Describe differences between photosynthesis and respiration.
9. Describe mechanism of photosynthesis in detail.
10. Describe mechanism of respiration.
11. Describe the role of light and chlorophyll in plants.
12. Describe two types of anaerobic respiration.
13. Differentiate between aerobic and anaerobic respiration.
14. Discuss role of chlorophyll and light in photosynthesis.
15. Discuss the importance of fermentation in detail.
16. Discuss the mechanism of respiration.
17. Draw a comparison of aerobic and anaerobic respiration.
18. Explain dark reaction of photosynthesis.
19. Explain molecular structure of ATP.
20. Explain the summary of light reaction.
21. How will you compare respiration and photosynthesis?
22. How would you define bioenergetics while relating it to the oxidation reduction reactions in living systems?
23. Interpret that ATP is the chief energy currency of all cells.
24. Outline the mechanism of respiration while defining glycolysis, Krebs cycle and electron transport chain.
25. Outline the processes involved in photosynthesis?
26. State how the varying light intensity carbon dioxide concentration and temperature affect the rate of photosynthesis?
27. What is photosynthesis? Explain intake of water and carbon dioxide.
28. What is the role of chlorophyll and light in photosynthesis?
29. Write a detailed note on light and dark reactions of photosynthesis.
30. Write a note on ATP.
31. Write a note on Calvin cycle.
32. Write a note on energy budget of respiration.
33. Write a note on limiting factors of photosynthesis.
34. Write a note on Oxidation-Reduction reactions.
35. Write the importance of fermentation (anaerobic respiration).