MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Biomass Energy knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following are products of light-dependent reactions? |
| A. | ATP and glyceraldehyde 3-phosphate |
| B. | Glyceraldehyde 3-phosphate and NADPH |
| C. | Carbohydrates |
| D. | ATP and NADPH |
| Answer» D. ATP and NADPH | |
| 2. |
Where does the energy to drive the electron transfer system come from? |
| A. | Photosystem 1 |
| B. | Photosystem 3 and photosystem 2 |
| C. | Photosystem 1 and photosystem 2 |
| D. | Photosystem 1 and photosystem 3 |
| Answer» D. Photosystem 1 and photosystem 3 | |
| 3. |
What is photoionisation? Assume presence of sunlight. |
| A. | Freeing of electron from the molecule to form a negatively charged chlorophyll ion |
| B. | Freeing of photoexcited electron from the molecule to form a positively charged chlorophyll ion |
| C. | Absorbing of electron from the molecule to form a negatively charged chlorophyll ion |
| D. | Absorbing of electron from the molecule to form a positively charged chlorophyll ion |
| Answer» C. Absorbing of electron from the molecule to form a negatively charged chlorophyll ion | |
| 4. |
Where does the light-independent reactions in the process of photosynthesis occur? |
| A. | Stroma of chloroplasts |
| B. | Thylakoid of chloroplasts |
| C. | Outer membranes |
| D. | Grana of chloroplasts |
| Answer» B. Thylakoid of chloroplasts | |
| 5. |
Where does the light-dependent reactions in the process of photosynthesis occur? |
| A. | Stroma of chloroplasts |
| B. | Thylakoid of chloroplasts |
| C. | Inner membranes |
| D. | Grana of chloroplasts |
| Answer» E. | |
| 6. |
What is the condensation reaction responsible for in the process of photosynthesis? |
| A. | Electron transfer |
| B. | Splitting out water molecules |
| C. | Splitting out water molecules and phosphorylation |
| D. | Electron transfer and phosphorylation |
| Answer» D. Electron transfer and phosphorylation | |
| 7. |
What type of chemical reactions are involved in photosynthesis? |
| A. | Condensation reactions and redox reactions |
| B. | Combustion |
| C. | Double displacement |
| D. | Single displacement |
| Answer» B. Combustion | |
| 8. |
_______ and _______ is present in all chlorophylls. |
| A. | A hydrophilic tail, a lipid soluble head |
| B. | A hydrophobic tail, a lipid soluble head |
| C. | A hydrophilic tail, a lipid insoluble head |
| D. | A lipid soluble tail, a hydrophilic head |
| Answer» E. | |
| 9. |
Cyanobacteria have chloroplasts. |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
Conversion of usable sunlight energy into chemical energy is associated with _______ |
| A. | Red pigmentation |
| B. | Green pigmentation |
| C. | Orange pigmentation |
| D. | Fruits |
| Answer» C. Orange pigmentation | |
| 11. |
Which of the following are photoautotrophs? |
| A. | Cyanobacteria, algae, plants |
| B. | Archaebacteria |
| C. | Deer |
| D. | Tiger |
| Answer» B. Archaebacteria | |
| 12. |
Which of the following organisms can perform photosynthesis? |
| A. | Autotrophs |
| B. | Algae |
| C. | Photoautotrophs |
| D. | Plants |
| Answer» D. Plants | |
| 13. |
Which of the following best indicates photosynthesis? |
| A. | Carbon dioxide + water → oxygen + glucose |
| B. | 6CO2 + 6H2O → C6H12O6 + 6O2 (in the presence of sunlight) |
| C. | Carbon dioxide + water → glucose + oxygen (in the presence of sunlight) |
| D. | Oxygen + glucose → carbon dioxide + water |
| Answer» C. Carbon dioxide + water → glucose + oxygen (in the presence of sunlight) | |
| 14. |
What is the primary product of photosynthesis? |
| A. | Glucose |
| B. | Oxygen |
| C. | Water |
| D. | Carbon dioxide |
| Answer» B. Oxygen | |
| 15. |
What is photosynthesis? |
| A. | Plants generating carbohydrates and oxygen from carbon dioxide, water and sunlight using chlorophyll |
| B. | Algae generating carbohydrates and oxygen from carbon dioxide, water and sunlight using chlorophyll |
| C. | Cyanobacteria generating carbohydrates and oxygen from carbon dioxide, water and sunlight using chlorophyll |
| D. | Photoautotroph generating carbohydrates and oxygen from carbon dioxide, water and sunlight |
| Answer» E. | |