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. |
What is the percentage of urea present in the urine? |
| A. | 96% |
| B. | 0.2% |
| C. | 2% |
| D. | 5% |
| Answer» D. 5% | |
| 2. |
What is the normal amount of urea in the blood? |
| A. | 10-15 mg/100 ml |
| B. | 18-38 mg/100 ml |
| C. | 40-50 mg/100 ml |
| D. | 0.2-0.5 mg/100 ml |
| Answer» C. 40-50 mg/100 ml | |
| 3. |
The passage of which of the following makes the urine hypertonic? |
| A. | Sodium ions |
| B. | Urea |
| C. | Glucose |
| D. | Potassium ions |
| Answer» C. Glucose | |
| 4. |
On which segment onwards, the nephric filtrate is called as urine? |
| A. | DCT |
| B. | PCT |
| C. | Collecting duct |
| D. | Glomerulus |
| Answer» B. PCT | |
| 5. |
If the loop of Henle is removed, hypertonic urine will be produced. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
Which of the following does not show maximum osmolarity? |
| A. | Tip of Henle’s loop |
| B. | Interstitial fluid |
| C. | PCT |
| D. | Collecting duct |
| Answer» D. Collecting duct | |
| 7. |
Is the nephric filtrate present in which segment of the renal tubule is isotonic to plasma? |
| A. | Collecting duct |
| B. | Collecting tubule |
| C. | PCT |
| D. | DCT |
| Answer» D. DCT | |
| 8. |
Which of the following is reabsorbed completely in the PCT? |
| A. | Amino acids |
| B. | Glucose |
| C. | Ascorbic acid |
| D. | Sodium ions |
| Answer» C. Ascorbic acid | |
| 9. |
What happens when the filtrate passes through the ascending loop of Henle? |
| A. | It gets dilute |
| B. | It gets concentrated |
| C. | No effect |
| D. | It reverts back |
| Answer» B. It gets concentrated | |
| 10. |
How does the ascending loop of Henle allow the movement of electrolytes? |
| A. | Only active transport |
| B. | Only passive transport |
| C. | By both active and passive transport |
| D. | Only by diffusion |
| Answer» D. Only by diffusion | |
| 11. |
The descending loop of Henle is impermeable to water. |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
In which renal tubule, the reabsorption is minimum? |
| A. | Descending limb of Henle’s loop |
| B. | Glomerulus |
| C. | Collecting tubule |
| D. | Ascending limb of Henle’s loop |
| Answer» E. | |
| 13. |
Which of the following is not correct regarding PCT? |
| A. | It does not maintain the pH |
| B. | It maintains the ionic balance of the body |
| C. | It absorbs HCO3– ions |
| D. | It secretes potassium ions |
| Answer» B. It maintains the ionic balance of the body | |
| 14. |
Which of the following is not reabsorbed in the PCT segment? |
| A. | Water |
| B. | Glucose |
| C. | HCO3– |
| D. | H+ |
| Answer» E. | |
| 15. |
PCT is lined by which of the following cells? |
| A. | Brush border columnar cells |
| B. | Brush border cuboidal cells |
| C. | Ciliated cuboidal cells |
| D. | Ciliated columnar cells |
| Answer» C. Ciliated cuboidal cells | |