MCQOPTIONS
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MCQOPTIONS
This section includes 17 Mcqs, each offering curated multiple-choice questions to sharpen your Biochemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Cerebroside is also called as ___________ |
| A. | Sphingomyelin |
| B. | N-acylsphingosine |
| C. | Sphinganine |
| D. | Gangliosides |
| Answer» B. N-acylsphingosine | |
| 2. |
Phosphatidylserine is derived only from ___________ |
| A. | Phosphatidylethanolamine |
| B. | Phosphatidyl glycerol |
| C. | Phosphatidyl choline |
| D. | CDP-diacylglycerol |
| Answer» B. Phosphatidyl glycerol | |
| 3. |
The most complex sphingolipid is ___________ |
| A. | Cerebroside |
| B. | Gangleoside |
| C. | Globoside |
| D. | Ceramide |
| Answer» C. Globoside | |
| 4. |
The precursor of eicosanoids in human is ___________ |
| A. | Ceramide |
| B. | Arachidonic acid |
| C. | Cholesterol |
| D. | Squaline |
| Answer» C. Cholesterol | |
| 5. |
Which of the following is a molecular formula of cholesterol? |
| A. | C27H45OH |
| B. | C28H45OH |
| C. | C29H45OH |
| D. | C23H45OH |
| Answer» B. C28H45OH | |
| 6. |
Displacement of CMP through a nucleophilic attack by the hydroxyl group of C-1 hydroxyl of glycerol 3-phosphate yields ___________ |
| A. | Phosphatidyl serine |
| B. | Phosphatidyl glycerol 3-phosphate |
| C. | Phosphatidyl glycerol |
| D. | Phosphatidylethanolamine |
| Answer» C. Phosphatidyl glycerol | |
| 7. |
Displacement of CMP through nucleophilic attack by the hydroxyl group of serine yields ___________ |
| A. | Phosphatidyl serine |
| B. | Phosphatidyl glycerol 3-phosphate |
| C. | Phosphatidyl glycerol |
| D. | Phosphatidylethanolamine |
| Answer» B. Phosphatidyl glycerol 3-phosphate | |
| 8. |
PHOSPHATIDYLSERINE_IS_DERIVED_ONLY_FROM?$ |
| A. | Phosphatidylethanolamine |
| B. | Phosphatidyl glycerol |
| C. | Phosphatidyl choline |
| D. | CDP-diacylglycerol |
| Answer» B. Phosphatidyl glycerol | |
| 9. |
Cerebroside_is_also_called_as |
| A. | Sphingomyelin |
| B. | N-acylsphingosine |
| C. | Sphinganine |
| D. | Gangliosides |
| Answer» C. Sphinganine | |
| 10. |
The most complex sphingolipid i? |
| A. | Cerebroside |
| B. | Gangleoside |
| C. | Globoside |
| D. | Ceramide |
| Answer» C. Globoside | |
| 11. |
Which of the following is considered as the structural parent of all sphingolipids? |
| A. | Sphingosine |
| B. | Ceramide |
| C. | Lecithin |
| D. | Sphyngomylein |
| Answer» C. Lecithin | |
| 12. |
Which of the following is the simplest hydrophilic moiety present in membrane lipids? |
| A. | Glucose |
| B. | Amino group |
| C. | Hydroxyl group |
| D. | Phosphate group |
| Answer» D. Phosphate group | |
| 13. |
The precursor of eicosanoids in human is |
| A. | Ceramide |
| B. | Arachidonic acid |
| C. | Cholesterol |
| D. | Squaline |
| Answer» C. Cholesterol | |
| 14. |
Which of the following is involved in the bio-signaling pathway that includes membrane turnover and exocytosis? |
| A. | Phosphatidylinositol |
| B. | Phosphatidyl glycerol |
| C. | Myoinositol |
| D. | Phosphatidyl glycerol and myoinositol |
| Answer» B. Phosphatidyl glycerol | |
| 15. |
Molecular formula of cholesterol is |
| A. | C<sub>27</sub>H<sub>45</sub>OH |
| B. | C<sub>28</sub>H<sub>45</sub>OH |
| C. | C<sub>29</sub>H<sub>45</sub>OH |
| D. | C<sub>23</sub>H<sub>45</sub>OH |
| Answer» B. C<sub>28</sub>H<sub>45</sub>OH | |
| 16. |
Displacement of CMP through nucleophilic attack by the hydroxyl group of C-1 hydroxyl of glycerol 3-phosphate yields |
| A. | Phosphatidyl serine |
| B. | Phosphatidyl glycerol 3-phosphate |
| C. | Phosphatidyl glycerol |
| D. | Phosphatidylethanolamine |
| Answer» C. Phosphatidyl glycerol | |
| 17. |
Displacement of CMP through nucleophilic attack by the hydroxyl group of serine yields |
| A. | Phosphatidyl serine |
| B. | Phosphatidyl glycerol 3-phosphate |
| C. | Phosphatidyl glycerol |
| D. | Phosphatidylethanolamine |
| Answer» B. Phosphatidyl glycerol 3-phosphate | |