MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 72 Mcqs, each offering curated multiple-choice questions to sharpen your BITSAT knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Cyclic photophosphorylation has both photosystem I and II. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» C. May be True or False | |
| 52. |
Which of the following Vitamins act as an electron acceptor in light dependent photosynthesis? |
| A. | Vitamin A |
| B. | Vitamin D |
| C. | Vitamin E |
| D. | Vitamin K |
| Answer» E. | |
| 53. |
During photosynthesis, how many chlorophyll molecules are required to produce one oxygen molecule? |
| A. | 1000 |
| B. | 2000 |
| C. | 2500 |
| D. | 3000 |
| Answer» D. 3000 | |
| 54. |
What is photophosphorylation? |
| A. | Addition of phosphate without light |
| B. | Removal of phosphate without light |
| C. | Addition of phosphate with light |
| D. | Removal of phosphate with light |
| Answer» D. Removal of phosphate with light | |
| 55. |
Who discovered photophosphorylation? |
| A. | D David |
| B. | D Benjamin |
| C. | D Arnon |
| D. | D Robert |
| Answer» D. D Robert | |
| 56. |
Which of the following is a facultative CAM plant? |
| A. | Century plant |
| B. | Corn |
| C. | Maize |
| D. | Common ice plant |
| Answer» E. | |
| 57. |
How many molecules of ATP and NADPH₂ are used in synthesis of one glucose molecule? |
| A. | 30 ATP and 10 NADPH₂ |
| B. | 10 ATP and 30 NADPH₂ |
| C. | 30 ATP and 12 NADPH₂ |
| D. | 12 ATP and 30 NADPH₂ |
| Answer» D. 12 ATP and 30 NADPH₂ | |
| 58. |
Which of the following protein is disrupted due to the disorder in photophosphorylation reaction? |
| A. | C1 |
| B. | D1 |
| C. | H1 |
| D. | K1 |
| Answer» C. H1 | |
| 59. |
The inactivation of photosynthesis is known as photo inhibition. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 60. |
Who discovered C3 cycle? |
| A. | Melvin Calvin |
| B. | Kolliker |
| C. | Robert Brown |
| D. | Rudolph Markus |
| Answer» B. Kolliker | |
| 61. |
Which of the following is an example of C3 plants? |
| A. | Sugarcane |
| B. | Cactus |
| C. | Wheat |
| D. | Corn |
| Answer» D. Corn | |
| 62. |
In the conversion of ADP to ATP by the enzyme ATP synthase, which reaction helps in the movement of H⁺ across the membranes? |
| A. | Redox reaction |
| B. | Oxidation reaction |
| C. | Chemiosmosis |
| D. | Redox reaction |
| Answer» D. Redox reaction | |
| 63. |
C3 plants grown in cold climates. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 64. |
Calvin cycle occurs in the cytoplasm of the cell. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» C. May be True or False | |
| 65. |
What is the final product of the Calvin cycle? |
| A. | Sedoheptulose |
| B. | Erythrose |
| C. | Glucose |
| D. | Ribose |
| Answer» D. Ribose | |
| 66. |
How many ATP molecules are required to produce one molecule of glucose? |
| A. | 18 |
| B. | 15 |
| C. | 12 |
| D. | 9 |
| Answer» B. 15 | |
| 67. |
Which of the following enzyme is used to fix CO₂ through Calvin cycle? |
| A. | Ribose -1, 5- bisphosphate carboxylase |
| B. | Ribulose -1, 6- bisphosphate carboxylase |
| C. | Ribose -1, 6- bisphosphate carboxylase |
| D. | Ribulose -1, 5- bisphosphate carboxylase |
| Answer» E. | |
| 68. |
Identify the following compound. |
| A. | Ru5P |
| B. | RuBP |
| C. | R5P |
| D. | Rpi |
| Answer» C. R5P | |
| 69. |
Identify A and B from the below figure. |
| A. | A – Lumen; B – Thylakoids |
| B. | A – Thylakoids; B – Lumen |
| C. | A – Stroma; B – Grana |
| D. | A – Grana; B – Stroma |
| Answer» C. A – Stroma; B – Grana | |
| 70. |
Photon of light of higher wavelength has _____________ energy. |
| A. | higher |
| B. | lower |
| C. | intermittent |
| D. | dissipated |
| Answer» C. intermittent | |
| 71. |
Which types of molecules are synthesized in light-independent (dark) reactions? |
| A. | proteins |
| B. | glycolipids |
| C. | carbohydrates |
| D. | nucleic acids |
| Answer» D. nucleic acids | |
| 72. |
Energy absorbed from sunlight is stored as chemical energy in which of the following biomolecules? |
| A. | ATP, ADP |
| B. | ATP, NADPH |
| C. | NAD, FAD |
| D. | NADH2, ATP |
| Answer» C. NAD, FAD | |