MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What forms the basal body of flagella? |
| A. | Axoneme |
| B. | Centrioles |
| C. | Keratin |
| D. | Calcium carbonate |
| Answer» C. Keratin | |
| 2. |
Which protein is the centriole made of? |
| A. | Tubulin |
| B. | Actin |
| C. | Myosin |
| D. | Keratin |
| Answer» B. Actin | |
| 3. |
What is the shape of a centriole? |
| A. | Irregular |
| B. | Spherical |
| C. | Cylindrical |
| D. | Cuboidal |
| Answer» D. Cuboidal | |
| 4. |
How many microtubules does the axoneme contain? |
| A. | 6 + 5 |
| B. | 8 + 3 |
| C. | 9 + 2 |
| D. | 7 + 4 |
| Answer» D. 7 + 4 | |
| 5. |
The flagellar core is known as the _____ |
| A. | filament |
| B. | hook |
| C. | basal body |
| D. | axoneme |
| Answer» E. | |
| 6. |
Cytoskeleton does not provide motility. True or false? |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
Which of these is not a part of the cytoskeleton? |
| A. | Microtubules |
| B. | Microfilaments |
| C. | Axoneme |
| D. | Intermediate filaments |
| Answer» D. Intermediate filaments | |
| 8. |
The eukaryotic ribosome is 80S. what does this S denote? |
| A. | Supernatant coefficient |
| B. | Segregation coefficient |
| C. | Solidification coefficient |
| D. | Sedimentation coefficient |
| Answer» E. | |
| 9. |
Which of these statements is not true about ribosomes? |
| A. | They are bound by a single membrane |
| B. | They are composed of RNA and proteins |
| C. | They were first observed by George Palade |
| D. | The small subunit of the prokaryotic ribosome is 30S |
| Answer» B. They are composed of RNA and proteins | |
| 10. |
Which structure of the chloroplast contains enzymes required for the synthesis of carbohydrates? |
| A. | Lamellae |
| B. | Grana |
| C. | Stroma |
| D. | Inner membrane |
| Answer» D. Inner membrane | |
| 11. |
How many chloroplasts are present in each cell of Chlamydomonas? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» B. 2 | |
| 12. |
Which of these plastids store proteins? |
| A. | Amyloplasts |
| B. | Elaioplasts |
| C. | Aleuroplasts |
| D. | Chromoplasts |
| Answer» D. Chromoplasts | |
| 13. |
Where is 70S ribosome found in the animal cell? |
| A. | Inside the nucleus |
| B. | Surface of rough endoplasmic reticulum |
| C. | Inside mitochondria |
| D. | In the cytoplasm |
| Answer» D. In the cytoplasm | |
| 14. |
Which of these organelles possess a single circular DNA molecule? |
| A. | Golgi apparatus |
| B. | Peroxisome |
| C. | Lysosome |
| D. | Mitochondria |
| Answer» E. | |