MCQOPTIONS
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MCQOPTIONS
This section includes 12 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. |
What disease is caused by the dysfunction of chloroplast? |
| A. | Leaf spot |
| B. | Blight spot |
| C. | Leaf variegation |
| D. | Powdery mildew |
| Answer» D. Powdery mildew | |
| 2. |
Chloroplast divide by binary fission. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
What is the chemical formula of chlorophyll a? |
| A. | C45H72MgN4O5 |
| B. | C55H72MgN4O5 |
| C. | C55H72MnN4O5 |
| D. | C45H72MnN4O5 |
| Answer» C. C55H72MnN4O5 | |
| 4. |
Which of the following organisms has photosynthetic pigments in it? |
| A. | Yeast |
| B. | Nitrosomonas |
| C. | Spirulina |
| D. | Phosphobacter |
| Answer» D. Phosphobacter | |
| 5. |
Which pigment constitutes majorly in absorbing sunlight for photosynthesis? |
| A. | Chlorophyll a |
| B. | Chlorophyll b |
| C. | Xanthophyll |
| D. | Anthocyanin |
| Answer» C. Xanthophyll | |
| 6. |
Which pigment is responsible for the process of sunlight? |
| A. | Chlorophyll a |
| B. | Chlorophyll b |
| C. | Xanthophyll |
| D. | Anthocyanin |
| Answer» B. Chlorophyll b | |
| 7. |
The sunlight is captured by the membrane of thylakoids. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
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 | |
| 9. |
The number of chloroplasts found in Arabidopsis thaliana is _____________ |
| A. | 100 |
| B. | 150 |
| C. | 50 |
| D. | 200 |
| Answer» B. 150 | |
| 10. |
The mass of chloroplast DNA is __________ |
| A. | 10 – 15 million daltons |
| B. | 50 – 100 million daltons |
| C. | 80 – 130 million daltons |
| D. | 25 – 125 million daltons |
| Answer» D. 25 – 125 million daltons | |
| 11. |
What is the diameter of a chloroplast? |
| A. | 1 – 2 micrometer |
| B. | 2 – 4 micrometer |
| C. | 4 – 6 micrometer |
| D. | 6 – 10 micrometer |
| Answer» D. 6 – 10 micrometer | |
| 12. |
Who first discovered chloroplast? |
| A. | J Rhodin |
| B. | Robert Porter |
| C. | Camillo Golgi |
| D. | Konstantin Mereschkowski |
| Answer» E. | |