Q. No.Beginning from the collecting duct, arrange the following structures in the correct sequence in which urine passes to the external environment: (A) ureter, (B) renal pelvis, (C) calyx, (D) urinary bladder, (E) urethra.
| 1. A, B, C, D, E | 2. C, D, A, E, B |
| 3. C, B, A, D, E | 4. B, D, A, C, E |
Subtopic: Nephron Part 1 | Nephron Part 2 |
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Blood from the glomerulus is carried away by:
1. Vasa recta
2. Peritubular capillary network
3. Efferent arteriole
4. Afferent arteriole
1. Vasa recta
2. Peritubular capillary network
3. Efferent arteriole
4. Afferent arteriole
Subtopic: Human Kidney: Location & Cut Section | Nephron Part 1 | Nephron Part 2 |
91%
From NCERT
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Identify the correct statements regarding nephrons in human kidney:
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
| I: | There are nearly one million nephrons in each kidney. |
| II: | The Malpighian corpuscle, PCT and DCT of the nephron are located in the renal medulla. |
2. Only II
3. Both I and II
4. Neither I nor II
Subtopic: Nephron Part 1 |
71%
From NCERT
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Cortical nephrons differ from juxtamedullary nephrons in that:
| 1. | Cortical nephrons are primarily involved in the filtration of blood. |
| 2. | Juxtamedullary nephrons have a longer loop of Henle that extends deep into the medulla. |
| 3. | Cortical nephrons are absent in mammals. |
| 4. | Juxtamedullary nephrons are not involved in the concentration of urine. |
Subtopic: Nephron Part 1 |
95%
From NCERT
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Consider the given two statements:
| Assertion (A): | Juxtamedullary nephrons play very important role in concentration of urine. |
| Reason (R): | Juxtamedullary nephrons constitute about 85% of all nephrons in human kidneys. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A) |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A) |
| 3. | (A) is True but (R) is False |
| 4. | (A) is False but (R) is True |
Subtopic: Human Kidney: Location & Cut Section | Nephron Part 1 | Nephron Part 2 |
75%
From NCERT
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Consider the given two statements:
1. Only A is correct.
2. Only B is correct.
3. Both A and B are correct.
4. Both A and B are incorrect.
| A: | Glomerulus is a tuft of capillaries formed by the afferent arteriole. |
| B: | Vasa recta is absent or highly reduced in cortical nephrons. |
2. Only B is correct.
3. Both A and B are correct.
4. Both A and B are incorrect.
Subtopic: Nephron Part 1 |
86%
From NCERT
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In majority of the nephrons in the human kidney,
1. Only A is correct.
2. Only B is correct.
3. Both A and B are correct.
4. Both A and B are incorrect.
| A: | The loop of Henle is short and extends only very little into the medulla. |
| B: | Vasa recta is absent or highly reduced. |
2. Only B is correct.
3. Both A and B are correct.
4. Both A and B are incorrect.
Subtopic: Nephron Part 1 |
92%
From NCERT
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Consider the given two statements:
| Assertion (A): | Juxtamedullary nephrons are crucial for the process of urine concentration. |
| Reason (R): | They have longer loops of Henle, which extend deep into the medulla, allowing more effective water reabsorption. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Nephron Part 1 | Nephron Part 2 |
90%
From NCERT
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Identify the correct chronological sequence of the flow of the glomerular filtrate and urine from the given options:
| 1. | glomerulus-glomerular capsule-proximal tubules-loop of Henle-distal tubules-collecting duct-renal pelvis |
| 2. | glomerular capsule -glomerulus-loop of Henle-distal tubules-proximal tubules-distal tubular-collecting duct-renal pelvis |
| 3. | loop of Henle-distal tubules-collecting duct-proximal tubules-glomerulus-glomerular capsule-renal pelvis |
| 4. | loop of Henle-collecting duct -distal tubules-proximal tubules-glomerulus-glomerular capsule-renal pelvis |
Subtopic: Nephron Part 1 | Nephron Part 2 | Formation of Urine |
94%
From NCERT
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In majority of the nephrons, the loop of Henle:
1. is absent
2. extends only a little into the medulla
3. extends deep into the medulla
4. is associated with a highly developed vasa recta
Subtopic: Nephron Part 1 | Nephron Part 2 |
78%
From NCERT
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