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Q. No.Select the correct statements.
(a)
Angiotensin II activates the cortex of adrenal gland to release aldosterone.
(b)
Aldosterone leads to increase in blood pressure.
(c)
ANF acts as a check on renin-angiotensin mechanism.
(d)
ADH causes vasodilation.
(e)
Vasopressin is released from adenohypophysis.
Choose the most appropriate answer from the options given below :
1. (a), (b) and (e) only
2. (c), (d) and (e) only
3. (b), (c) and (d) only
4. (a), (b) and (c) only
Subtopic: Autoregulation of GFR |
73%
From NCERT
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
Consider the statements regarding the process of haemodialysis shown in the given figure:
I: A: the blood is taken out of the body from an artery for purification; B: the purified blood is returned to the body by a vein.
II: Heparin is an anticoagulant that is added to the blood to prevent its coagulation; Dialyzer acts as the artificial kidney
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
I: A: the blood is taken out of the body from an artery for purification; B: the purified blood is returned to the body by a vein.
II: Heparin is an anticoagulant that is added to the blood to prevent its coagulation; Dialyzer acts as the artificial kidney
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Disorders of Excretory System |
82%
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NEET 2023 - Target Batch - Aryan Raj Singh
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The given diagram shows the schematic functioning of the Renin Angiotensin Aldosterone System in the regulation of kidney function. Identify A, B, C and D:
| A | B | C | D | |
| 1. | Renin released from kidney | Angiotensin II stimulates adrenal medulla to secrete aldosterone | Reabsorption of sodium and water | Vaso- dilation |
| 2. | Renin released from kidney | Angiotensin II stimulates adrenal cortex to secrete aldosterone | Reabsorption of sodium and water | Vaso- constriction |
| 3. | ADH released from kidney | Angiotensin II stimulates adrenal cortex to secrete aldosterone | Diuresis | Vaso- constriction |
| 4. | Angio- tensin I released from kidney |
Angiotensin II stimulates adrenal cortex to secrete aldosterone | Reabsorption of sodium and water | Vaso- dilation |
Subtopic: Autoregulation of GFR |
80%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
Given below is a diagram showing the functioning of the micturition reflex in humans. Identify the correct statements:
I: The region designated as ‘X’ in the diagram is the sacral region of the spinal cord.
II: Motor signals from the spinal cord lead to relaxation of the muscle in the wall of the urinary bladder and constriction of the urinary sphincter.
I: The region designated as ‘X’ in the diagram is the sacral region of the spinal cord.
II: Motor signals from the spinal cord lead to relaxation of the muscle in the wall of the urinary bladder and constriction of the urinary sphincter.
| 1. Only I | 2. Only II |
| 3. Both I and II | 4. Neither I nor II |
Subtopic: Micturition Reflex |
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NEET 2023 - Target Batch - Aryan Raj Singh
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The figure shows a diagrammatic representation of a nephron and vasa recta showing counter current mechanisms. Identify the correct statements:
I: A is NaCl which is transported by the ascending limb of Henle’s loop, exchanged with the ascending limb of vasa recta and returned to the interstitium by the descending portion of vasa recta.
II: B is urea which enters the thin segment of the ascending limb of Henle’s loop and is transported back to the interstitium by the collecting tubule.
III: C is water.
I: A is NaCl which is transported by the ascending limb of Henle’s loop, exchanged with the ascending limb of vasa recta and returned to the interstitium by the descending portion of vasa recta.
II: B is urea which enters the thin segment of the ascending limb of Henle’s loop and is transported back to the interstitium by the collecting tubule.
III: C is water.
| 1. Only I and II | 2. Only II and III |
| 3. Only I and III | 4. I, II and III |
Subtopic: Nephron Part 1 | Nephron Part 2 | Formation of Urine | Concentration of Urine |
68%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
Given figure shows a sagittal section of human kidney. Identify A, B, C and D:
| A | B | C | D | |
| 1. | Minor calyx | Major calyx | Renal pelvis | Urethra |
| 2. | Major calyx | Minor calyx | Renal pelvis | Ureter |
| 3. | Minor calyx | Major calyx | Renal pelvis | Ureter |
| 4. | Minor calyx | Major calyx | Renal pectoral | Urethra |
Subtopic: Human Kidney: Location & Cut Section |
72%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Subtopic: Formation of Urine: Ultrafiltration |
72%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Identify the correctly matched rows regarding A-F in the given figure:
Options:
| A | Malpighian body | Site for ultra-filtration |
| B | Proximal convoluted tubule | Maximum reabsorption of filtrate |
| C | Descending limb of loop of Henle | Permeable to water; almost impermeable to electrolytes |
| D | Ascending limb of loop of Henle | Impermeable to water; allows transport of electrolytes |
| E | Distal convoluted tubule | Conditional reabsorption of sodium and water |
| F | Collecting duct | Concentration of urine; allows passage of urea |
| 1. All except C and D | 2. All except B and E |
| 3. All except F | 4. All |
Subtopic: Human Kidney: Location & Cut Section | Nephron Part 1 | Nephron Part 2 | Formation of Urine |
82%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
Consider the given two statements:
I: Vasa recta is absent or highly reduced in cortical nephrons.
II: Efferent arteriole forms a peritubular capillary network around renal tubules.
1. I is correct but II is incorrect
2. I is incorrect but II is correct
3. I is correct and II is also correct
4. I is incorrect and II is also incorrect
I: Vasa recta is absent or highly reduced in cortical nephrons.
II: Efferent arteriole forms a peritubular capillary network around renal tubules.
1. I is correct but II is incorrect
2. I is incorrect but II is correct
3. I is correct and II is also correct
4. I is incorrect and II is also incorrect
Subtopic: Human Kidney: Functions | Human Kidney: Location & Cut Section |
83%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
Identify the figure given below and select the incorrect match of the labelled parts A, B, C and D with their respective description.
| 1. | A | Urine produced by kidneys exit through this and passes into a common sac |
| 2. | B | During urination, urine is expelled from the bladder through this |
| 3. | C | Secretes antidiuretic hormone when blood osmolarity rises above a set point |
| 4. | D | Structure that stores urine |
Subtopic: Human Kidney: Functions | Human Kidney: Location & Cut Section | Autoregulation of GFR |
71%
From NCERT
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