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Q. No.Which part of the human nephron is impermeable to water?
1. Proximal convoluted tubule
2. Distal convoluted tubule
3. Ascending limb of loop of Henle
4. Descending limb of loop of Henle
Subtopic: Function of the tubules |
87%
From NCERT
NEET - 2024
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Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).
In the light of the above statements, choose the correct answer from the options given below:
| Assertion (A): | Juxta Glomerular Apparatus (JGA) plays an important role in regulation of glomerular filtration rate (GFR). |
| Reason (R): | A fall in GFR can activate the J.G. cells to release renin which can stimulate the glomerular blood flow and thereby bringing the GFR to normal level. |
| 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. | (A) is False but (R) is True. |
Subtopic: Formation of Urine |
91%
From NCERT
NEET - 2024
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Choose the correct statement given below regarding juxta medullary nephron.
| 1. | Renal corpuscle of juxta medullary nephron lies in the outer portion of the renal medulla. |
| 2. | Loop of Henle of juxta medullary nephron runs deep into medulla. |
| 3. | Juxta medullary nephrons outnumber the cortical nephrons. |
| 4. | Juxta medullary nephrons are located in the columns of Bertini. |
Subtopic: Nephron Part 1 | Nephron Part 2 |
83%
From NCERT
NEET - 2024
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Given below are statements:
In the light of the above statements, choose the correct answer from the options given below :
1. Both Statement I and Statement II are False
2. Statement I is True but Statement II is False
3. Statement I is False but Statement II is True
4. Both Statement I and Statement II are True
| Statement I: | In the nephron, the descending limb of loop of Henle is impermeable to water and permeable to electrolytes. |
| Statement II: | The proximal convoluted tubule is lined by simple columnar brush border epithelium and increases the surface area for reabsorption. |
In the light of the above statements, choose the correct answer from the options given below :
1. Both Statement I and Statement II are False
2. Statement I is True but Statement II is False
3. Statement I is False but Statement II is True
4. Both Statement I and Statement II are True
Subtopic: Nephron Part 1 | Function of the tubules |
57%
From NCERT
NEET - 2024
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Match the Column I with Column II with respect to ultrafiltration.
Select the correct option:
1. i-b, ii-c, iii-a, iv-d
2. i-b, ii-c, iii-d, iv-a
3. i-c, ii-b, iii-d, iv-a
4. i-c, ii-b, iii-a, iv-d
| Column I | Column II | ||
| i. | Effective filtration pressure | a. | \(30~mm~Hg\) |
| ii. | Filtrate hydrostatic pressure | b. | \(10~mm~Hg\) |
| iii. | Glomerular hydrostatic pressure | c. | \(15~mm~Hg\) |
| iv. | Osmotic pressure of blood | d. | \(10~mm~Hg\) |
1. i-b, ii-c, iii-a, iv-d
2. i-b, ii-c, iii-d, iv-a
3. i-c, ii-b, iii-d, iv-a
4. i-c, ii-b, iii-a, iv-d
Subtopic: Formation of Urine: Ultrafiltration 1 |
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Match the column-I with column-II.
Select the correct option-
1. a-ii, b-iv, c-i, d-iii
2. a-ii, b-iii, c-i, d-iv
3. a-ii, b-iii, c-iv, d-i
4. a-iv, b-ii, c-i, d-iii
| Column-I (Type of kidney stones) |
Column-II (Cause) |
||
| a. | Calcium stones | i. | Genetic disorder |
| b. | Struvite stones | ii. | Calcium oxalates |
| c. | Uric acid stones | iii. | Formed in response to infection by urea bacteria |
| d. | Cystine stones | iv. | High protein diet |
1. a-ii, b-iv, c-i, d-iii
2. a-ii, b-iii, c-i, d-iv
3. a-ii, b-iii, c-iv, d-i
4. a-iv, b-ii, c-i, d-iii
Subtopic: Disorders of Excretory System |
59%
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In the following diagram of a part of uriniferous tubule, what should be P, and direction of flow of
renal fluid / blood in x, y and z?
renal fluid / blood in x, y and z?
| P | x | y | z | |
| 1. | Ascending limb of Henle's loop | \(\downarrow\) | \(\uparrow\) | \(\downarrow\) |
| 2. | Descending limb of Henle's loop | \(\uparrow\) | \(\uparrow\) | \(\downarrow\) |
| 3. | Ascending limb of Henle's loop | \(\uparrow\) | \(\uparrow\) | \(\downarrow\) |
| 4. | Descending limb of Henle's loop | \(\uparrow\) | \(\downarrow\) | \(\uparrow\) |
Subtopic: Nephron Part 1 |
74%
From NCERT
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The CORRECT match is
| 1. | DCT | Secretion of \(H^+\) and \(K^+\) ions. |
| 2. | Henle's loop | Reabsorption of glucose, water and \(Na^+\) ions. |
| 3. | Podocytes | Attached to parietal layer of Bowman's capsule. |
| 4. | JGA | Rise in glomerular blood pressure activates it to release renin. |
Subtopic: Nephron Part 1 |
52%
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Match the items in Column-I with those in Column-II
Select the correct option from the following:
1. i-d, ii-b, iii-c, iv-a
2. i-c, ii-d, iii-b, iv-a
3. i-c, ii-b, iii-d, iv-a
4. i-d, ii-c, iii-b, iv-a
| Column-I | Column-II | ||
| i. | Podocytes | a. | Crystallised oxalates |
| ii. | Protonephridia | b. | Annelids |
| iii. | Nephridia | c. | Amphloxus |
| iv. | Renal calculi | d. | Filtration slits |
1. i-d, ii-b, iii-c, iv-a
2. i-c, ii-d, iii-b, iv-a
3. i-c, ii-b, iii-d, iv-a
4. i-d, ii-c, iii-b, iv-a
Subtopic: Nitrogenous Excretory Products |
79%
From NCERT
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Match the items given in column I with those in Column II and select the correct option given below:
1. i-e, ii-d, iii-a, iv-b
2. i-d, ii-a, iii-b, iv-c
3. i-d, ii-e, iii-b, iv-c
4. i-e, ii-d, iii-a, iv-c
| Column I (Function) |
Column II (Part of excretory system) |
||
| i. | Ultrafiltration | a. | Henle's loop |
| ii. | Concentration of urine | b. | Ureter |
| iii. | Transport urine | c. | Urinary bladder |
| iv. | Storage of urine | d. | Malpighian corpuscle |
| e. | Proximal convoluted tubule |
2. i-d, ii-a, iii-b, iv-c
3. i-d, ii-e, iii-b, iv-c
4. i-e, ii-d, iii-a, iv-c
Subtopic: Formation of Urine: Ultrafiltration 1 |
84%
From NCERT
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