MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Cell Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following contains a linear system of conjugated double bonds? |
| A. | -carotene |
| B. | chlorophyll |
| C. | chloroplast |
| D. | thylakoid |
| Answer» B. chlorophyll | |
| 2. |
Which of the following type of spectrum is a plot of efficiency of different types of wavelengths in bringing about the photosynthesis? |
| A. | absorption spectrum |
| B. | action spectrum |
| C. | efficiency spectrum |
| D. | reflection spectrum |
| Answer» C. efficiency spectrum | |
| 3. |
Carotenoids dissipate absorbed energy as heat. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
What are carotenoids? |
| A. | pigments |
| B. | cell organelles |
| C. | terrestrial plants |
| D. | granulated thylakoids |
| Answer» B. cell organelles | |
| 5. |
Which atoms are present in the porphyrin of a chlorophyll molecule? |
| A. | iron |
| B. | magnesium |
| C. | calcium |
| D. | sulphur |
| Answer» C. calcium | |
| 6. |
Which part of the chlorophyll is responsible for absorption of light? |
| A. | hydrophobic phytol chain |
| B. | porphyrin ring |
| C. | thylakoid membrane |
| D. | outer membrane |
| Answer» C. thylakoid membrane | |
| 7. |
Pigments absorb light of particular wavelengths. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
Photon of light of higher wavelength has _____________ energy. |
| A. | higher |
| B. | lower |
| C. | intermittent |
| D. | dissipated |
| Answer» C. intermittent | |
| 9. |
Which types of molecules are synthesized in light-independent (dark) reactions? |
| A. | proteins |
| B. | glycolipids |
| C. | carbohydrates |
| D. | nucleic acids |
| Answer» D. nucleic acids | |
| 10. |
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. | NADH<sub>2</sub>, ATP |
| Answer» C. NAD, FAD | |