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Q. No.Identify the incorrectly matched pair:
1.
Renal hilum
the entry and exit site for structures servicing the kidneys:
vessels, nerves, lymphatics, and ureters.
2.
Columns of Bertini
Extension of renal medulla into renal cortex
3.
Renal pelvis
The funnel-like dilated part of the ureter in the kidney
4.
Renal capsule
A tough fibrous layer surrounding the kidney
vessels, nerves, lymphatics, and ureters.
Subtopic: Human Kidney: Location & Cut Section |
75%
From NCERT
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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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Consider the two statements regarding the structure of nephron in human kidneys:
1. Statement I is correct: Statement II is incorrect
2. Statement I is incorrect: Statement II is correct
3. Statement I is correct: Statement II is correct
4. Statement I is incorrect: Statement II is incorrect
| Statement I: | Glomerulus along with Bowman’s capsule, is called the malpighian body or renal corpuscle. |
| Statement II: | The DCTs of many nephrons open into a straight tube called collecting duct. |
2. Statement I is incorrect: Statement II is correct
3. Statement I is correct: Statement II is correct
4. Statement I is incorrect: Statement II is incorrect
Subtopic: Human Kidney: Location & Cut Section |
94%
From NCERT
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Vasa recta:
1. Only I is correct
2. Only II and III are correct
3. Only III is correct
4. I, II and III are correct
| I: | is a fine capillary network around the renal tubule formed by efferent arteriole. |
| II: | runs parallel to the Henle’s loop in juxtamedullary nephrons. |
| III: | is absent or highly reduced in cortical nephrons. |
2. Only II and III are correct
3. Only III is correct
4. I, II and III are correct
Subtopic: Human Kidney: Functions |
From NCERT
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Urine formation involves three main processes, including all of the following, except:
1. Glomerular filtration
2. Reabsorption
3. Tubular secretion
4. Synthesis of urea by JG cells
1. Glomerular filtration
2. Reabsorption
3. Tubular secretion
4. Synthesis of urea by JG cells
Subtopic: Formation of Urine |
96%
From NCERT
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The epithelial cells of Bowman’s capsule, arranged in an intricate manner so as to leave some minute spaces called filtration slits or slit pores, are called as:
| 1. | Macula densa | 2. | Juxtaglomerular cells |
| 3. | Podocytes | 4. | Mesangial cells |
Subtopic: Formation of Urine |
96%
From NCERT
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A comparison of the volume of the filtrate formed per day with that of the urine released suggests that nearly:
| 1. | 20% of the cardiac output is received by the kidneys. |
| 2. | 20% of the renal plasma flow is filtered at the glomerulus. |
| 3. | 99% of the filtrate has to be reabsorbed by the renal tubules. |
| 4. | 3% of the filtrate gets converted into urine. |
Subtopic: Formation of Urine |
91%
From NCERT
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Consider the two statements:
1. Statement I is correct; Statement II is incorrect
2. Statement I is incorrect; Statement II is correct
3. Statement I is correct; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
| Statement I: | JGA is a special sensitive region formed by cellular modifications in the proximal convoluted tubule and the efferent arteriole at the location of their contact. |
| Statement II: | A fall in GFR can activate the JG cells to release renin which can stimulate the glomerular blood flow and thereby the GFR back to normal. |
2. Statement I is incorrect; Statement II is correct
3. Statement I is correct; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
Subtopic: Formation of Urine |
79%
From NCERT
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Consider the given two statements:
| Assertion (A): | Tubular secretion helps in the maintenance of ionic and acid-base balance of body fluids. |
| Reason (R): | During urine formation, the tubular cells secrete substances like H+, K+ and ammonia into the filtrate. |
| 1. | (A) is True but (R) is False. |
| 2. | Both (A) and (R) are True and (R) correctly explains (A). |
| 3. | (A) is False but (R) is True. |
| 4. | Both (A) and (R) are True but (R) does not correctly explain (A). |
Subtopic: Formation of Urine |
81%
From NCERT
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The average osmolality of most of the body fluids in the human body under normal physiological condition is about:
1. 300 mOsmolL–1
2. 600 mOsmolL–1
3. 900 mOsmolL–1
4. 1200 mOsmolL–1
1. 300 mOsmolL–1
2. 600 mOsmolL–1
3. 900 mOsmolL–1
4. 1200 mOsmolL–1
Subtopic: Concentration of Urine: I | Concentration of Urine: II | Concentration of Urine |
70%
From NCERT
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