MCQOPTIONS
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MCQOPTIONS
This section includes 13 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. |
Gaucher disease is caused due to deficiency of ______________ |
| A. | hexosaminidase A |
| B. | lysosomes |
| C. | glucocerebrosidase |
| D. | mannose phophate |
| Answer» D. mannose phophate | |
| 2. |
Lysosomal storage disorders are caused due to ______________ |
| A. | absence of lysosomes |
| B. | absence of a single lysosome |
| C. | absence of integral membrane proteins |
| D. | accumulation of lipofuschin granules |
| Answer» C. absence of integral membrane proteins | |
| 3. |
The enzyme N-acetylglucosamine phosphotransferase is responsible for ____________ |
| A. | mannose phosphorylation |
| B. | sucrose phosphorylation |
| C. | tethering Golgi stack |
| D. | modification of integral proteins |
| Answer» B. sucrose phosphorylation | |
| 4. |
In the I-cell disease , lysosomes are ___________ |
| A. | absent |
| B. | bloated |
| C. | short-lived |
| D. | immobile |
| Answer» C. short-lived | |
| 5. |
Lipofuscin granules decrease in number as individual grows older. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
After the digestive process in an autophagolysosome is over, it is termed as _______________ |
| A. | autophagosome |
| B. | residual body |
| C. | endosome |
| D. | peroxisome |
| Answer» C. endosome | |
| 7. |
When a cell is in nutrient deprived state, autophagy increases. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
In autophagy, the organelle s to be ingested are covered by a ______________ |
| A. | protein coat |
| B. | oligosaccharides |
| C. | double membrane |
| D. | single membrane |
| Answer» D. single membrane | |
| 9. |
Destruction and replacement of cell s own organelles is called ____________ |
| A. | transition |
| B. | turnover |
| C. | endocytosis |
| D. | exocytosis |
| Answer» C. endocytosis | |
| 10. |
Which of the following are phagocytic cells? |
| A. | neutrophils, macrophages |
| B. | neutrophils, mast cells |
| C. | mast cells, macrophages |
| D. | mast cells, antibodies |
| Answer» B. neutrophils, mast cells | |
| 11. |
Kupffer cells are located in the _________ |
| A. | kidney |
| B. | lungs |
| C. | liver |
| D. | intestine |
| Answer» D. intestine | |
| 12. |
Where is the proton pump located in a lysosome? |
| A. | cytosol |
| B. | membrane |
| C. | attached with enzymes |
| D. | extracellularly connected |
| Answer» C. attached with enzymes | |
| 13. |
The main function of lysosomes is ____________ |
| A. | excretion |
| B. | synthesis |
| C. | mobility |
| D. | digestion |
| Answer» E. | |