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Q. No.Match each item in Column I with one in Column II and select the correct match from the codes given:
Column I
Column II
A.
Ammonotelism
P.
Terrestrial amphibians
B.
Ureotelism
Q.
Aquatic amphibians
C.
Uricotelism
R.
Land snails
Codes:
A
B
C
1.
P
Q
R
2.
Q
P
R
3.
R
Q
P
4.
Q
R
P
Subtopic: Nitrogenous Excretory Products |
91%
From NCERT
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Protonephridia are used for osmoregulation and excretion in all the following animals except:
1. Planaria
2. Amphioxus
3. Rotifers
4. Prawn
1. Planaria
2. Amphioxus
3. Rotifers
4. Prawn
Subtopic: Nitrogenous Excretory Products |
86%
From NCERT
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In humans, Kidneys situated between the levels of:
| 1. | last thoracic and third lumbar vertebra close to the dorsal inner wall of the abdominal cavity. |
| 2. | last thoracic and third lumbar vertebra close to the ventral inner wall of the abdominal cavity. |
| 3. | tenth thoracic and first lumbar vertebra close to the dorsal inner wall of the abdominal cavity. |
| 4. | tenth thoracic and first lumbar vertebra close to the ventral inner wall of the abdominal cavity. |
Subtopic: Human Kidney: Location & Cut Section |
93%
From NCERT
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How many of the given vital stats regarding human kidneys are within normal range of their values?
A. Length: 10-12 cm
B. Width: 5-7 cm
C. Thickness: 2-3 cm
D. Weight: 120-170 g
1. 1
2. 2
3. 3
4. 4
A. Length: 10-12 cm
B. Width: 5-7 cm
C. Thickness: 2-3 cm
D. Weight: 120-170 g
1. 1
2. 2
3. 3
4. 4
Subtopic: Human Kidney: Location & Cut Section |
91%
From NCERT
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Identify the incorrectly matched pair:
| 1. | Renal hilum | the entry and exit site for structures servicing the kidneys: vessels, nerves, lymphatics, and ureters. |
| 2. | Columns of Bertini | Extension of renal medulla into renal cortex |
| 3. | Renal pelvis | The funnel-like dilated part of the ureter in the kidney |
| 4. | Renal capsule | A tough fibrous layer surrounding the kidney |
Subtopic: Human Kidney: Location & Cut Section |
75%
From NCERT
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Which branch of the renal artery forms a tuft of capillaries called the glomerulus?
1. Afferent arteriole
2. Efferent arteriole
3. Vasa recta
4. Peri tubular capillary
1. Afferent arteriole
2. Efferent arteriole
3. Vasa recta
4. Peri tubular capillary
Subtopic: Human Kidney: Functions | Human Kidney: Location & Cut Section |
88%
From NCERT
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Consider the two statements regarding the structure of nephron in human kidneys:
1. Statement I is correct: Statement II is incorrect
2. Statement I is incorrect: Statement II is correct
3. Statement I is correct: Statement II is correct
4. Statement I is incorrect: Statement II is incorrect
| Statement I: | Glomerulus along with Bowman’s capsule, is called the malpighian body or renal corpuscle. |
| Statement II: | The DCTs of many nephrons open into a straight tube called collecting duct. |
2. Statement I is incorrect: Statement II is correct
3. Statement I is correct: Statement II is correct
4. Statement I is incorrect: Statement II is incorrect
Subtopic: Human Kidney: Location & Cut Section |
94%
From NCERT
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Vasa recta:
1. Only I is correct
2. Only II and III are correct
3. Only III is correct
4. I, II and III are correct
| I: | is a fine capillary network around the renal tubule formed by efferent arteriole. |
| II: | runs parallel to the Henle’s loop in juxtamedullary nephrons. |
| III: | is absent or highly reduced in cortical nephrons. |
2. Only II and III are correct
3. Only III is correct
4. I, II and III are correct
Subtopic: Human Kidney: Functions |
From NCERT
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Urine formation involves three main processes, including all of the following, except:
1. Glomerular filtration
2. Reabsorption
3. Tubular secretion
4. Synthesis of urea by JG cells
1. Glomerular filtration
2. Reabsorption
3. Tubular secretion
4. Synthesis of urea by JG cells
Subtopic: Formation of Urine |
96%
From NCERT
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On an average, 1100-1200 ml of blood is filtered by the kidneys per minute which constitute roughly:
| 1. | 10% of the blood pumped out by each ventricle of the heart in a minute. |
| 2. | 20% of the blood pumped out by each ventricle of the heart in a minute. |
| 3. | 30% of the blood pumped out by each ventricle of the heart in a minute. |
| 4. | 40% of the blood pumped out by each ventricle of the heart in a minute. |
Subtopic: Formation of Urine |
78%
From NCERT
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