Select Chapter Topics:
Q. No.The increase in osmolarity from outer to inner medullary interstitium is maintained due to:
(i)
Close proximity between Henle's loop and vasa recta
(ii)
Counter current mechanism
(iii)
Selective secretion of HCO3¯ and hydrogen ions in PCT
(iv)
Higher blood pressure in glomerular capillaries
1.
Only (ii)
2.
(iii) and (iv)
3.
(i), (ii) and (iii)
4.
(i) and (ii)
Subtopic: Concentration of Urine: I |
63%
Level 2: 60%+
NEET - 2020
Hints
Given below are two statements.
Statement I: Distal convoluted tubule of kidney is capable of reabsorbing HCO3.
Statement II: Only 10% of the glomerular filtrate is reabsorbed by the renal tubules.
In light of the above statements, choose the most appropriate answer from the options given below.
1. Both statement I and statement II are true
2. Both statement I and statement II are false
3. Statement I is correct but statement II is false
4. Statement I is incorrect but statement II is true
Statement I: Distal convoluted tubule of kidney is capable of reabsorbing HCO3.
Statement II: Only 10% of the glomerular filtrate is reabsorbed by the renal tubules.
In light of the above statements, choose the most appropriate answer from the options given below.
1. Both statement I and statement II are true
2. Both statement I and statement II are false
3. Statement I is correct but statement II is false
4. Statement I is incorrect but statement II is true
Subtopic: Formation of Urine: Ultrafiltration 2 |
81%
Level 1: 80%+
Hints
The diagram shows a nephron with a collecting duct from a healthy human.
Which of the regions (1- 4) contain a liquid with no urea?
1. 1 only
2. 1 and 2 only
3. 2 and 3 only
4. none of them
Which of the regions (1- 4) contain a liquid with no urea?
1. 1 only
2. 1 and 2 only
3. 2 and 3 only
4. none of them
Subtopic: Formation of Urine: Ultrafiltration |
58%
Level 3: 35%-60%
Hints
Select the correct statements.
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
| (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. |
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 |
75%
Level 2: 60%+
NEET - 2022
Hints
Consider the given statements carefully.
(a) Malpighian tubules help in the removal of nitrogenous wastes and osmoregulation in Periplaneta.
(b) Flame cells are the excretory structure in Planaria as well as rotifers.
(c) Each kidney of an adult human measures 0.1 to 0.12 meters in width.
(d) Kidneys are situated between the level of the last thoracic and fourth lumbar vertebra.
Select the option with correct statements only:
1. (a), (b), (c), and (d)
2. (a) and (b)
3. (a), (c), and (d)
4. (a), (b), and (c)
(a) Malpighian tubules help in the removal of nitrogenous wastes and osmoregulation in Periplaneta.
(b) Flame cells are the excretory structure in Planaria as well as rotifers.
(c) Each kidney of an adult human measures 0.1 to 0.12 meters in width.
(d) Kidneys are situated between the level of the last thoracic and fourth lumbar vertebra.
Select the option with correct statements only:
1. (a), (b), (c), and (d)
2. (a) and (b)
3. (a), (c), and (d)
4. (a), (b), and (c)
Subtopic: Nitrogenous Excretory Products | Human Kidney: Location & Cut Section |
76%
Level 2: 60%+
Hints
Read the following statements and choose the option that correctly states them as true (T) or false (F) with respect to the human excretory system:
(a) (b) (c)
1. F T T
2. T F F
3. F F T
4. F T F
| (a) | The cortex extends in between the medullary pyramids as calyx. |
| (b) | Vasa recta is absent or highly reduced in cortical nephrons. |
| (c) | Kidney is situated between the levels of the 12th thoracic and 3rd lumbar vertebra close to the dorsal inner wall of the abdominal cavity. |
1. F T T
2. T F F
3. F F T
4. F T F
Subtopic: Human Kidney: Location & Cut Section | Nephron Part 1 | Nephron Part 2 |
80%
Level 1: 80%+
Hints
How many of the given statements are correct with respect to human urinary system?
(a) In humans, ammonia produced by metabolism is converted into urea in the kidneys and then excreted out by them.
(b) The outer layer of kidney is a tough capsule.
(c) Inside the kidney, there are two zones, an outer medulla and an inner cortex.
(d) The cortex extends in between the medullary pyramids as renal columns called columns of Bertini.
(e) In kidney, there is a broad funnel-shaped space called the renal pelvis with projections called calyces.
1. Five
2. Three
3. Four
4. Two
(a) In humans, ammonia produced by metabolism is converted into urea in the kidneys and then excreted out by them.
(b) The outer layer of kidney is a tough capsule.
(c) Inside the kidney, there are two zones, an outer medulla and an inner cortex.
(d) The cortex extends in between the medullary pyramids as renal columns called columns of Bertini.
(e) In kidney, there is a broad funnel-shaped space called the renal pelvis with projections called calyces.
1. Five
2. Three
3. Four
4. Two
Subtopic: Human Kidney: Functions | Human Kidney: Location & Cut Section | Disorders of Excretory System |
61%
Level 2: 60%+
Hints
Match Column-I with Column-II and select the correct option
1. a(i), b(ii), c(iii), d(iv)
2. a(iv), b(iii), c(ii), d(i)
3. a(i), b(iv), c(iii), d(ii)
4. a(ii), b(i), c(iv), d(iii)
| Column-I | Column-II | ||
| a. | Transport of urine | (i) | Filtration slits |
| b. | Podocytes | (ii) | Ureter |
| c. | Ultrafilteration | (iii) | Permeable to water |
| d. | Descending limb of Henle's loop | (iv) | Glomerulus |
1. a(i), b(ii), c(iii), d(iv)
2. a(iv), b(iii), c(ii), d(i)
3. a(i), b(iv), c(iii), d(ii)
4. a(ii), b(i), c(iv), d(iii)
Subtopic: Human Kidney: Functions | Nephron Part 1 | Nephron Part 2 | Formation of Urine |
94%
Level 1: 80%+
Hints
Unlock IMPORTANT QUESTION
This question was bookmarked by 5 NEET 2025 toppers during their NEETprep journey. Get Target Batch to see this question.
✨ Perfect for quick revision & accuracy boost
Buy Target Batch
Access all premium questions instantly
How many of the statements given below are correct?
1. One
2. Three
3. Two
4. Four
| (a) | Active secretion of hydrogen ions into the filtrate is responsible for acidic nature of human urine. |
| (b) | Caffeine does not favour the formation of large quantities of dilute urine. |
| (c) | Removal of PCT from the nephron will result is more diluted urine. |
| (d) | Exposure to cold temperature stimulates release of ADH. |
2. Three
3. Two
4. Four
Subtopic: Formation of Urine |
54%
Level 3: 35%-60%
Hints
Consider the given statements and select the option that correctly states them as true (T) or false (F)
(a) GFR in a healthy individual is 7.5 L/hour under normal physiological conditions
(b) 99% of the filtrate formed is reabsorbed by the renal tubules
(c) Increase in ADH level causes a decrease in sodium reabsorption in the DCT
(d) DCT is incapable of reabsorbing \(HCO^-_3\)
(a) GFR in a healthy individual is 7.5 L/hour under normal physiological conditions
(b) 99% of the filtrate formed is reabsorbed by the renal tubules
(c) Increase in ADH level causes a decrease in sodium reabsorption in the DCT
(d) DCT is incapable of reabsorbing \(HCO^-_3\)
| a | b | c | d | |
| 1. | T | F | F | T |
| 2. | T | T | F | F |
| 3. | T | T | T | T |
| 4. | F | T | F | T |
Subtopic: Autoregulation of GFR |
74%
Level 2: 60%+
Hints
Select Chapter Topics:
© 2026 GoodEd Technologies Pvt. Ltd.