MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following is the main enzyme in the ornithine cycle? |
| A. | Arginase |
| B. | Carbamyl phosphatase |
| C. | Arginosuccinate |
| D. | Urease |
| Answer» B. Carbamyl phosphatase | |
| 2. |
How many moles of ATP are required in the formation of urea? |
| A. | One |
| B. | Two |
| C. | Three |
| D. | Four |
| Answer» D. Four | |
| 3. |
What is the starting point of the ornithine cycle? |
| A. | Ornithine amino acid |
| B. | Citrulline amino acid |
| C. | Arginine |
| D. | Fumeric acid |
| Answer» B. Citrulline amino acid | |
| 4. |
Urea formation takes place in the adipocytes. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
Which of the following pair of amino acids are removed by the ornithine cycle? |
| A. | CO<sub>2</sub> and H<sub>2</sub>O |
| B. | H<sub>2</sub>O and O<sub>2</sub> |
| C. | CO<sub>2</sub> and urea |
| D. | Ammonia and CO<sub>2</sub> |
| Answer» E. | |
| 6. |
In approximately how many minutes, the whole blood of the body is filtered through the kidneys? |
| A. | 10 minutes |
| B. | 7 minutes |
| C. | 4-5 minutes |
| D. | 2 minutes |
| Answer» D. 2 minutes | |
| 7. |
What is the full form of GFR? |
| A. | Glomerulus filtering unit |
| B. | Glomerular filtration rate |
| C. | Globulin fast rate |
| D. | Globulin filtering rate |
| Answer» C. Globulin fast rate | |
| 8. |
Which of the following type of nephrons are prominently present in the desert mammals? |
| A. | Cortical nephrons |
| B. | No nephrons are present |
| C. | Medullary nephrons |
| D. | Juxta-medullary nephrons |
| Answer» E. | |
| 9. |
What is the percentage of cortical nephrons concerning the total nephrons present in the kidneys? |
| A. | 75-80% |
| B. | 50% |
| C. | 15-20% |
| D. | 95% |
| Answer» B. 50% | |
| 10. |
Which of the following are not passed on to the lumen of Bowman s capsule during glomerular filtration? |
| A. | Fat molecules |
| B. | Glucose |
| C. | Water |
| D. | Proteins |
| Answer» E. | |
| 11. |
Podocytes are present in the epithelial lining of PCT. |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
How many layers of glomerular epithelium are involved in the filtration of blood? |
| A. | One |
| B. | Two |
| C. | Three |
| D. | Four |
| Answer» D. Four | |
| 13. |
On average, how much volume of blood is filtered by the kidneys per minute? |
| A. | 100-150 ml |
| B. | 500 ml |
| C. | 1100-1200 ml |
| D. | 5000 ml |
| Answer» D. 5000 ml | |
| 14. |
Which of the following is the first step towards urine formation? |
| A. | Glomerular filtration |
| B. | Ultrafiltration |
| C. | Secretion |
| D. | Reabsorption |
| Answer» B. Ultrafiltration | |
| 15. |
Which of the following is not a process of urine formation? |
| A. | Glomerular filtration |
| B. | Reabsorption |
| C. | Secretion |
| D. | Excretion |
| Answer» E. | |