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Q. No.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 |
81%
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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Consider the two statements:
| Statement I: | Both ADH and aldosterone attempt to decrease urine output. |
| Statement II: | A person with uncontrolled diabetes mellitus will have a higher than normal solute concentration in the urine. |
| 1. | Statement I is correct; Statement II is incorrect |
| 2. | Statement I is correct; Statement II is correct |
| 3. | Statement II is incorrect; Statement I is correct |
| 4. | Statement I is incorrect; Statement II is incorrect |
Subtopic: Autoregulation of GFR |
70%
From NCERT
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The part of the nephron, that plays a major role in increasing medullary interstitial osmolarity during concentration of urine by human kidney, is:
1. Descending limb of loop of Henle
2. Ascending limb of loop of Henle
3. PCT
4. DCT
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 |
61%
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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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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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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