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Q. No.Given below are statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A):
Nephrons are of two types: Cortical & Juxta medullary, based on their relative position in cortex and medulla.
Reason (R):
Juxta medullary nephrons have short-loop of Henle whereas, cortical nephrons have longer loop of Henle.
In the light of the above statements, choose the correct answer from the options given below:
1.
(A) is False, (R) is True.
2.
Both (A) and (R) are True and (R) correctly explains (A).
3.
Both (A) and (R) are True but (R) does not correctly explain(A).
4.
(A) is True, (R) is False.
Subtopic: Human Kidney: Location & Cut Section |
80%
From NCERT
NEET - 2023
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Which of the following statements are correct?
Choose the correct answer from the options given below:
| A: | An excessive loss of body fluid from the body switches off osmoreceptors. |
| B: | ADH facilitates water reabsorption to prevent diuresis. |
| C: | ANF causes vasodilation. |
| D: | ADH causes increase in blood pressure. |
| E: | ADH is responsible for decrease in GFR. |
| 1. | C, D and E only | 2. | A and B only |
| 3. | B, C and D only | 4. | A, B and E only |
Subtopic: Osmoregulation | Disorders of Excretory System |
80%
From NCERT
NEET - 2023
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Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R)
In light of the above statements, choose the correct answer from the options given below:
| Assertion (A): | Ascending limb of the loop of Henle is impermeable to water and allows transport of electrolytes actively or passively. |
| Reason (R): | Dilution of filtrate takes place due to efflux of electrolytes in the medullary fluid |
In light of the above statements, choose the correct answer from the options given below:
| 1. | (A) is True, (R) is False |
| 2. | (A) is False, (R) is True |
| 3. | Both (A) and (R) are True and (R) is the correct explanation of (A) |
| 4. | Both (A) and (R) are True but (R) is not the correct explanation of (A) |
Subtopic: Function of the tubules |
From NCERT
NEET - 2023
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Arrange the events of Renin-Angiotensin mechanism in correct sequence
Choose the correct answer from the options given below:
| (A) | Activation of JG cells and release of renin |
| (B) | Angiotensin II activated release of aldosterone |
| (C) | Fall in glomerular blood pressure |
| (D) | Reabsorption of Na+ and water from distal convoluted tubule |
| (E) | Angiotensinogen is converted to Angiotensin I and then to Angiotensin II |
Choose the correct answer from the options given below:
| 1. | (C), (A), (E), (B), (D) | 2. | (A), (D), (E), (C), (B) |
| 3. | (A), (D), (C), (B), (E) | 4. | (B), (A), (E), (D), (C) |
Subtopic: Autoregulation of GFR |
85%
From NCERT
NEET - 2023
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Identify the incorrect statement:
| 1. | The descending limb of loop of Henle is permeable to water. |
| 2. | The ascending limb of loop of Henle is impermeable to water. |
| 3. | The descending limb of loop of Henle is freely permeable to electrolytes. |
| 4. | The ascending limb of loop of Henle is permeable to electrolytes. |
Subtopic: Nephron Part 1 | Nephron Part 2 |
89%
From NCERT
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Consider the given two statements:
| Assertion(A): | Some amount of urea may be retained in the kidney matrix to maintain a desired osmolarity. |
| Reason(R): | Urea is less toxic but energetically more expensive to produce than ammonia. |
| 1. | (A) is true but (R) is False |
| 2. | Both (A) and (R) are True and (R) correctly explains the (A) |
| 3. | Both (A) and (R) are True but (R) does not correctly explain the (A) |
| 4. | (A) is False but (R) is True |
Subtopic: Nitrogenous Excretory Products | Concentration of Urine |
59%
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Consider the given two statements:
Statement I: The filtrate gets diluted as it moves down the descending limb of loop of Henle as this part of nephron is impermeable to water but allows transport of electrolytes actively or passively.
Statement II: The filtrate gets concentrated as it moves up the ascending limb of loop of Henle as this part of nephron is permeable to water but almost impermeable to electrolytes.
1. Statement I is correct; Statement II is incorrect
2. Statement I is incorrect; Statement II is incorrect
3. Statement I is correct; Statement II is correct
4. Statement I is incorrect; Statement II is correct
Subtopic: Nephron Part 1 | Nephron Part 2 |
83%
From NCERT
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Consider the given two statements regarding concentration of urine by the human kidneys:
Statement I: NaCl is transported by the ascending limb of Henle’s loop which is exchanged with the descending limb of vasa recta and is returned to the interstitium by the ascending portion of vasa recta.
Statement II: Small amounts of urea enter the thin segment of the ascending limb of Henle’s loop which is transported back to the interstitium by the collecting tubule.
1. Statement I is correct; Statement II is incorrect
2. Statement I is incorrect; Statement II is incorrect
3. Statement I is correct; Statement II is correct
4. Statement I is incorrect; Statement II is correct
Statement I: NaCl is transported by the ascending limb of Henle’s loop which is exchanged with the descending limb of vasa recta and is returned to the interstitium by the ascending portion of vasa recta.
Statement II: Small amounts of urea enter the thin segment of the ascending limb of Henle’s loop which is transported back to the interstitium by the collecting tubule.
1. Statement I is correct; Statement II is incorrect
2. Statement I is incorrect; Statement II is incorrect
3. Statement I is correct; Statement II is correct
4. Statement I is incorrect; Statement II is correct
Subtopic: Concentration of Urine |
83%
From NCERT
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Consider the given two statements:
Assertion: An excessive loss of fluid from the body stimulates the hypothalamus to release antidiuretic hormone (ADH) or vasopressin from the neurohypophysis.
Reason: An excessive loss of fluid from the body activates the osmoreceptors located in the hypothalamus.
1. Assertion is true but Reason is false
2. Both Assertion and Reason are true and the Reason correctly explains the Assertion
3. Both Assertion and Reason are true but the Reason does not correctly explain the Assertion
4. Assertion is false but Reason is true
Subtopic: Autoregulation of GFR |
75%
From NCERT
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The glomerular ultrafiltrate will contain:
1. water, nitrogenous wastes, nutrients, and salts
2. blood cells, platelets and proteins
3. albumin, fats and other proteins
4. mainly blood cells
1. water, nitrogenous wastes, nutrients, and salts
2. blood cells, platelets and proteins
3. albumin, fats and other proteins
4. mainly blood cells
Subtopic: Nephron Part 1 | Nephron Part 2 |
88%
From NCERT
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