Select Question Set:
Q. No.Match each item in Column I with one in Column II and select the correct match from the codes given:
Column I
[Organism]
Column II
[Osmoregulatory and excretory structure]
A
Flatworms, rotifers, Amphioxus
P
Protonephridia
B
Earthworm
Q
Nephridia
C
Insects
R
Malpighian tubule
D
Prawn
S
Green gland or antennal gland
Codes:
A
B
C
D
1.
P
Q
R
S
2.
Q
R
S
P
3.
R
S
P
Q
4.
S
P
Q
R
[Organism]
[Osmoregulatory and excretory structure]
Subtopic: Nitrogenous Excretory Products |
93%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Identify the correct statements:
| I: | Each kidney of an adult human measures 10-12 cm in length, 5-7 cm in width and 2-3 cm in thickness. |
| II: | The DCTs of many nephrons open into a straight tube called collecting duct. |
| III: | Each nephron has two parts – the glomerulus and the renal tubule. |
| IV: | The renal tubule begins with the proximal convoluted tubule. |
| 1. | Only I and II | 2. | Only I, II and III |
| 3. | Only II and III | 4. | I, II, III and IV |
Subtopic: Human Kidney: Functions | Human Kidney: Location & Cut Section |
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Identify the incorrect statement:
| 1. | The descending limb of loop of Henle is permeable to water but almost impermeable to electrolytes. |
| 2. | The ascending limb of loop of Henle is impermeable to water but allows transport of electrolytes actively or passively. |
| 3. | DCT is capable of reabsorption of bicarbonate ions and selective secretion of hydrogen and potassium ions and ammonia to maintain the pH and electrolyte balance in the body. |
| 4. | PCT does not play any role in reabsorption of bicarbonate ions and selective secretion of hydrogen and ammonia to maintain the pH and electrolyte balance in the body. |
Subtopic: Nephron Part 1 | Nephron Part 2 |
87%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Collecting duct does not:
I: allow reabsorption of large amount of water during concentration of urine.
II. allow passage of small amounts of urea into medullary interstitium to keep up the osmolarity.
III. play a role in the maintenance of pH and ionic balance of blood by the selective secretion of H+ and K+ ions.
| 1. Only I and II | 2. Only III |
| 3. Only II | 4. I, II and III are incorrect |
Subtopic: Nephron Part 1 | Nephron Part 2 | Concentration of Urine |
51%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
The osmolarity of interstitial fluid in renal cortex of vertebrates is about _____ mOsm per litre, which can be increased to about _______ mOsm per litre in the inner medulla during concentration of urine by the kidneys.
| 1. | 1200, 300 | 2. | 300, 1200 |
| 3. | 300, 600 | 4. | 600, 300 |
Subtopic: Concentration of Urine |
93%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
During hemodialysis:
I: Cellophane tube in a dialysing unit acts as artificial kidney.
II: Heparin is added to the blood before it is passed on to the dialysing unit.
III: The cleared blood is pumped back to the body through a vein after adding anti-heparin to it.
1. Only I is correct
2. Only I and II are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: CRF & Hemodialysis |
83%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
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. |
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
Subtopic: Autoregulation of GFR |
73%
From NCERT
NEET - 2022
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Consider the statements regarding the process of haemodialysis shown in the given figure:
I: A: the blood is taken out of the body from an artery for purification; B: the purified blood is returned to the body by a vein.
II: Heparin is an anticoagulant that is added to the blood to prevent its coagulation; Dialyzer acts as the artificial kidney
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
I: A: the blood is taken out of the body from an artery for purification; B: the purified blood is returned to the body by a vein.
II: Heparin is an anticoagulant that is added to the blood to prevent its coagulation; Dialyzer acts as the artificial kidney
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Disorders of Excretory System |
82%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
The given diagram shows the schematic functioning of the Renin Angiotensin Aldosterone System in the regulation of kidney function. Identify A, B, C and D:
| A | B | C | D | |
| 1. | Renin released from kidney | Angiotensin II stimulates adrenal medulla to secrete aldosterone | Reabsorption of sodium and water | Vaso- dilation |
| 2. | Renin released from kidney | Angiotensin II stimulates adrenal cortex to secrete aldosterone | Reabsorption of sodium and water | Vaso- constriction |
| 3. | ADH released from kidney | Angiotensin II stimulates adrenal cortex to secrete aldosterone | Diuresis | Vaso- constriction |
| 4. | Angio- tensin I released from kidney |
Angiotensin II stimulates adrenal cortex to secrete aldosterone | Reabsorption of sodium and water | Vaso- dilation |
Subtopic: Autoregulation of GFR |
80%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Given below is a diagram showing the functioning of the micturition reflex in humans. Identify the correct statements:
I: The region designated as ‘X’ in the diagram is the sacral region of the spinal cord.
II: Motor signals from the spinal cord lead to relaxation of the muscle in the wall of the urinary bladder and constriction of the urinary sphincter.
I: The region designated as ‘X’ in the diagram is the sacral region of the spinal cord.
II: Motor signals from the spinal cord lead to relaxation of the muscle in the wall of the urinary bladder and constriction of the urinary sphincter.
| 1. Only I | 2. Only II |
| 3. Both I and II | 4. Neither I nor II |
Subtopic: Micturition Reflex |
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Select Question Set:
© 2024 GoodEd Technologies Pvt. Ltd.