MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Biochemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
How are the intrinsic proteins in cell membrane distributed? |
| A. | Uniform |
| B. | Random |
| C. | Symmetric |
| D. | Asymmetric |
| Answer» E. | |
| 2. |
Plasma membrane is permeable to __________ |
| A. | ATP |
| B. | Glucose |
| C. | K<sup>+</sup> |
| D. | Urea |
| Answer» E. | |
| 3. |
Which of the following has high lipid content? |
| A. | Myelin sheath |
| B. | Plasma membrane |
| C. | Inner mitochondrial membrane |
| D. | Outer mitochondrial membrane |
| Answer» B. Plasma membrane | |
| 4. |
Which of the following glycerophospholipids is not common in inner leaflet (cytoplasmic)? |
| A. | Phosphatidylserine |
| B. | Phosphatidylethanolamine |
| C. | Phosphatidylinositol |
| D. | Phosphatidylcholine |
| Answer» E. | |
| 5. |
A platelet is able to play its role in the formation of blood clot when one of the glycerophospholipids in the plasma membrane moves into the outer leaflet. |
| A. | Phosphatidylserine |
| B. | Phosphatidylethanolamine |
| C. | Phosphatidylinositol |
| D. | Phosphatidylglycerol |
| Answer» B. Phosphatidylethanolamine | |
| 6. |
Which of the following is choline containing lipid? |
| A. | Sphingomyelin |
| B. | Phosphatidylserine |
| C. | Phosphatidylglycerol |
| D. | Phosphatidylethanolamine |
| Answer» B. Phosphatidylserine | |
| 7. |
When cross sectional area of the head group is greater than that of the acyl side chain, which of the following lipid aggregates formation is favored? |
| A. | Micelles |
| B. | Bilayer |
| C. | Liposome |
| D. | Myelin sheath |
| Answer» B. Bilayer | |
| 8. |
When cross sectional area of the head group and acyl side chain is similar, which of the following lipid aggregates formation is favored? |
| A. | Micelles |
| B. | Bilayer |
| C. | Liposome |
| D. | Myelin sheath |
| Answer» C. Liposome | |
| 9. |
Which of the following types of lipid aggregates has maximum stability? |
| A. | Micelles |
| B. | Bilayer |
| C. | Liposome |
| D. | Myelin sheath |
| Answer» D. Myelin sheath | |
| 10. |
How many types of lipid aggregates are formed when amphipathic lipids are mixed with water? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 11. |
Which of the following are the major component of chloroplast membrane of plants and are absent from animal cells? |
| A. | Glycolipids |
| B. | Phospholipids |
| C. | Ether lipids |
| D. | Triacylglycerols |
| Answer» B. Phospholipids | |
| 12. |
Which of the following is important in signal transduction triggered by hormones? |
| A. | Phosphatidylinositol and its derivatives |
| B. | Phosphatidylserine and its derivatives |
| C. | Phosphatidylglycerol and its derivatives |
| D. | Phosphatidylethanolamine |
| Answer» B. Phosphatidylserine and its derivatives | |
| 13. |
Which of the following membranes contain low cholesterol and high cardiolipin? |
| A. | Myelin sheath |
| B. | Plasma membrane |
| C. | Inner mitochondrial membrane of hepatocyte |
| D. | Cell wall |
| Answer» D. Cell wall | |
| 14. |
Which of the following acts as a passive electrical insulator? |
| A. | Myelin sheath |
| B. | Plasma membrane |
| C. | Inner mitochondrial membrane |
| D. | Outer mitochondrial membrane |
| Answer» B. Plasma membrane | |