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Q. No.Which part of the human nephron is impermeable to water?
1. Proximal convoluted tubule
2. Distal convoluted tubule
3. Ascending limb of loop of Henle
4. Descending limb of loop of Henle
Subtopic: Function of the tubules |
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Level 1: 80%+
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Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).
In the light of the above statements, choose the correct answer from the options given below:
| Assertion (A): | Juxta Glomerular Apparatus (JGA) plays an important role in regulation of glomerular filtration rate (GFR). |
| Reason (R): | A fall in GFR can activate the J.G. cells to release renin which can stimulate the glomerular blood flow and thereby bringing the GFR to normal level. |
| 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. | (A) is False but (R) is True. |
Subtopic: Formation of Urine |
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Choose the correct statement given below regarding juxta medullary nephron.
| 1. | Renal corpuscle of juxta medullary nephron lies in the outer portion of the renal medulla. |
| 2. | Loop of Henle of juxta medullary nephron runs deep into medulla. |
| 3. | Juxta medullary nephrons outnumber the cortical nephrons. |
| 4. | Juxta medullary nephrons are located in the columns of Bertini. |
Subtopic: Nephron Part 1 | Nephron Part 2 |
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Level 1: 80%+
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Given below are statements:
In the light of the above statements, choose the correct answer from the options given below:
1. Both Statement I and Statement II are False
2. Statement I is True but Statement II is False
3. Statement I is False but Statement II is True
4. Both Statement I and Statement II are True
| Statement I: | In the nephron, the descending limb of loop of Henle is impermeable to water and permeable to electrolytes. |
| Statement II: | The proximal convoluted tubule is lined by simple columnar brush border epithelium and increases the surface area for reabsorption. |
In the light of the above statements, choose the correct answer from the options given below:
1. Both Statement I and Statement II are False
2. Statement I is True but Statement II is False
3. Statement I is False but Statement II is True
4. Both Statement I and Statement II are True
Subtopic: Nephron Part 1 | Function of the tubules |
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NEET - 2024
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In the following diagram of a part of uriniferous tubule, what should be P, and direction of flow of
renal fluid / blood in x, y and z?
renal fluid / blood in x, y and z?
| P | x | y | z | |
| 1. | Ascending limb of Henle's loop | \(\downarrow\) | \(\uparrow\) | \(\downarrow\) |
| 2. | Descending limb of Henle's loop | \(\uparrow\) | \(\uparrow\) | \(\downarrow\) |
| 3. | Ascending limb of Henle's loop | \(\uparrow\) | \(\uparrow\) | \(\downarrow\) |
| 4. | Descending limb of Henle's loop | \(\uparrow\) | \(\downarrow\) | \(\uparrow\) |
Subtopic: Nephron Part 1 |
74%
Level 2: 60%+
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Gives is the diagram of human excretory system. Select the option that correctly
| A | B | C | |
| 1. | Renal vein | Ureter | Pelvis |
| 2. | Ureter | Dorsal aorta | Pelvis |
| 3. | Ureter | Superior vena cava | Hilus |
| 4. | Dorsal aorta | Urethra | Cortex |
Subtopic: Human Kidney: Location & Cut Section |
73%
Level 2: 60%+
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Select the correct match with respect to excretory organs
| 1. | Nephrons | - earthworm |
| 2. | Green glands | - Planaria |
| 3. | Malpighian tubules | - cockroach |
| 4. | Metanephridia | - Amphioxus |
Subtopic: Nitrogenous Excretory Products |
90%
Level 1: 80%+
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Match the parts of nephron in Column I with their function given in Column II:
1. (a)-(iii), (b)-(ii), (c)-(i), (d)-(iv)
2. (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
3. (a)-(i), (b)-(iv), (c)-(iii), (d)-(ii)
4. (a)-(iv), (b)-(ii), (c)-(i), (d)-(iii)
| Column I | Column II | ||
| (a) | Loop of Henle | (i) | Ultrafiltration |
| (b) | Proximal convoluted tubule | (ii) | Secretion of hydrogen ions |
| (c) | Distal convoluted tubule | (iii) | Reabsorption of glucose |
| (d) | Bowman's capsule | (iv) | Concentration urine |
2. (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
3. (a)-(i), (b)-(iv), (c)-(iii), (d)-(ii)
4. (a)-(iv), (b)-(ii), (c)-(i), (d)-(iii)
Subtopic: Nephron Part 2 |
91%
Level 1: 80%+
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Which of the following statements is incorrect?
1. The medullary zone of kidney is divided into few cortical masses called medullar pyramids projecting into the calyces.
2. Inside the kidney the cortical region extends in between the medullary pyramids as renal pelvis.
3. Glomerulus alongwith Bowman's capsule is called the renal corpuscle.
4. Renal corpuscle, proximal convoluted tubule (PCT) and distal convoluted tubule (DCT) of the nephron are situated in the cortical region of kidney.
1. The medullary zone of kidney is divided into few cortical masses called medullar pyramids projecting into the calyces.
2. Inside the kidney the cortical region extends in between the medullary pyramids as renal pelvis.
3. Glomerulus alongwith Bowman's capsule is called the renal corpuscle.
4. Renal corpuscle, proximal convoluted tubule (PCT) and distal convoluted tubule (DCT) of the nephron are situated in the cortical region of kidney.
Subtopic: Nephron Part 1 | Nephron Part 2 | Formation of Urine |
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Level 2: 60%+
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Which of the following pair of hormones are antagonistic to each other?
1. Insulin and Aldosterone with respect to blood glucose level
2. Atrial natriuretic factor and Vasopressin with respect to blood pressure
3. Prolactin and Oxytocin with respect to milk secretion
4. Secretin and cholecytokinin with respect to bile juice secretion
1. Insulin and Aldosterone with respect to blood glucose level
2. Atrial natriuretic factor and Vasopressin with respect to blood pressure
3. Prolactin and Oxytocin with respect to milk secretion
4. Secretin and cholecytokinin with respect to bile juice secretion
Subtopic: Autoregulation of GFR |
86%
Level 1: 80%+
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