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Q. No.Assertion (A): Atrial Natriuretic Factor is released by wall of atria.
Reason (R): It inhibits the release of renin from juxtaglomerular apparatus.
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: Autoregulation of GFR |
56%
From NCERT
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In a juxtamedullary nephron, which part dips deep into the renal medulla?
1. Malpighian corpuscle
2. PCT
3. DCT
4. Loop of Henle
1. Malpighian corpuscle
2. PCT
3. DCT
4. Loop of Henle
Subtopic: Nephron Part 1 | Nephron Part 2 |
92%
From NCERT
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Consider the two statements:
| Assertion (A): | ANF mechanism acts as a check on the renin-angiotensin mechanism. |
| Reason (R): | ANF can cause vasodilation (dilation of blood vessels) and thereby decrease blood pressure. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A). |
| 2. | (A) is True but (R) is False. |
| 3. | Both (A) and (R) are False. |
| 4. | Both (A) and (R) are True but (R) does not correctly explain (A). |
Subtopic: Autoregulation of GFR |
83%
From NCERT
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Consider the given two statements:
| Statement I: | Protonephridia or flame cells are the excretory structures in Aschelminthes. |
| Statement II: | Reptiles, birds, land snails, and insects are uricotelic animals. |
| 1. | Statement I is correct; Statement II is correct |
| 2. | Statement I is incorrect; Statement II is correct |
| 3. | Statement I is correct; Statement II is incorrect |
| 4. | Statement I is incorrect; Statement II is incorrect |
Subtopic: Nitrogenous Excretory Products |
74%
From NCERT
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Consider the two statements:
| Assertion (A): | As the filtrate passes upward in the ascending limb of the Loop of Henle, it gets diluted. |
| Reason (R): | The ascending limb is impermeable to water but allows the transport of electrolytes actively or passively. |
| 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 |
78%
From NCERT
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The part of the nephron that reabsorbs electrolytes but does not reabsorb any water is:
| 1. | Descending limb of loop of Henle |
| 2. | Ascending limb of loop of Henle |
| 3. | PCT |
| 4. | DCT |
Subtopic: Nephron Part 1 | Nephron Part 2 |
80%
From NCERT
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Which of the following organism is not uricotelic?
1. Land snails
2. Reptiles
3. Insects
4. Aquatic amphibians
1. Land snails
2. Reptiles
3. Insects
4. Aquatic amphibians
Subtopic: Nitrogenous Excretory Products |
92%
From NCERT
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Consider the two statements:
| Assertion (A): | An excess of aldosterone can cause a decrease in potassium ion concentration in body fluids. |
| Reason (R): | Aldosterone acts mainly at the renal tubules and stimulates the reabsorption of Na+ and water. |
| 1. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| 2. | (A) is True but (R) is False. |
| 3. | Both (A) and (R) are False. |
| 4. | Both (A) and (R) are True and (R) correctly explains (A). |
Subtopic: Autoregulation of GFR |
56%
From NCERT
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On an average, roughly what percent of cardiac output is filtered by the kidneys per minute?
1. 5
2. 10
3. 20
4. 50
Subtopic: Formation of Urine |
68%
From NCERT
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When compared to the initial filtrate formed, human kidneys can produce urine nearly:
1. 2 times concentrated
2. 4 times concentrated
3. 8 times concentrated
4. 10 times concentrated
1. 2 times concentrated
2. 4 times concentrated
3. 8 times concentrated
4. 10 times concentrated
Subtopic: Concentration of Urine |
89%
From NCERT
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