MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Biochemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following does not contain glycerol? |
| A. | Glycerophospholipids |
| B. | Galactolipids |
| C. | Sphingolipids |
| D. | Triacylglycerols |
| Answer» D. Triacylglycerols | |
| 2. |
What is the head-group alcohol in plasmolegen and platelet-activating factor? |
| A. | Alkene |
| B. | Choline |
| C. | Alkane |
| D. | Acetic acid |
| Answer» C. Alkane | |
| 3. |
The backbone of phospholipids is __________ |
| A. | L-glycerol 1-phosphate |
| B. | L-glycerol 3-phosphate |
| C. | D-glycerol 3-phosphate |
| D. | sn-glycerol 1-phosphate |
| Answer» C. D-glycerol 3-phosphate | |
| 4. |
In which of the following glycerophospholipids two phosphatidic acids share single glycerol? |
| A. | Cardiolipin |
| B. | Phosphatidylserine |
| C. | Phosphatidylinositol |
| D. | Phosphatidylcholine |
| Answer» B. Phosphatidylserine | |
| 5. |
THE_BACKBONE_OF_PHOSPHOLIPIDS_IS?$ |
| A. | L-glycerol 1-phosphate |
| B. | L-glycerol 3-phosphate |
| C. | D-glycerol 3-phosphate |
| D. | sn-glycerol 1-phosphate |
| Answer» C. D-glycerol 3-phosphate | |
| 6. |
Which of the following does not contain glycerol?$ |
| A. | Glycerophospholipids |
| B. | Galactolipids |
| C. | Sphingolipids |
| D. | Triacylglycerols |
| Answer» D. Triacylglycerols | |
| 7. |
What_is_the_head-group_alcohol_in_plasmolegen_and_platelet-activating_factor?$ |
| A. | Alkene |
| B. | Choline |
| C. | Alkane |
| D. | Acetic acid |
| Answer» C. Alkane | |
| 8. |
Which of the following membrane lipids have a direct glycosidic linkage between the head-group sugar and the backbone glycerol? |
| A. | Glycolipids |
| B. | Phospholipids |
| C. | Sphingolipids |
| D. | Ether lipids |
| Answer» B. Phospholipids | |
| 9. |
Which of the following group of membrane lipids predominate in plant cells? |
| A. | Galactolipids |
| B. | Sphingolipids |
| C. | Glycerophospholipids |
| D. | Archaebacterial ether lipids |
| Answer» B. Sphingolipids | |
| 10. |
Platelet activating factor stimulates the release of which of the following compounds? |
| A. | Vasopressin |
| B. | Serotonin |
| C. | Adrenaline |
| D. | Cortisol |
| Answer» C. Adrenaline | |
| 11. |
In which of the following glycerophospholipids two phosphatidic acids share a single glycerol? |
| A. | Cardiolipin |
| B. | Phosphatidylserine |
| C. | Phosphatidylinositol |
| D. | Phosphatidylcholine |
| Answer» B. Phosphatidylserine | |
| 12. |
Which of the following phospholipids is a component of inner mitochondrial membrane? |
| A. | Plasmologen |
| B. | Cephalin |
| C. | Lecithin |
| D. | Cardiolipin |
| Answer» E. | |
| 13. |
Which of the following glycerophospholid acts as a lipotropic agent? |
| A. | Cardiolipin |
| B. | Phosphatidylserine |
| C. | Phosphatidylinositol |
| D. | Phosphatidylcholine |
| Answer» E. | |
| 14. |
Which of the following is a sphingophospholipid? |
| A. | Lecithin |
| B. | Sphingomyelin |
| C. | Plasmolegen |
| D. | Cardiolipin |
| Answer» C. Plasmolegen | |
| 15. |
Out of the following, cholesterol does not serve as a precursor for which compounds? |
| A. | Vitamin D |
| B. | Sex hormones |
| C. | Bile salts |
| D. | Bile pigments |
| Answer» E. | |