Excretory Products and Their Elimination (Modes of Excretion- Ammonotelism, Ureotelism, Uricotelism,...) NEET Questions

Biology - Human Physiology

Excretory Products and Their Elimination (Modes of Excretion- Ammonotelism, Ureotelism, Uricotelism,...) MCQ Questions


13.
Each human kidney is composed of approximately how many nephrons?
A.
10,000
B.
100
C.
1 million (10 lakh)
D.
1 lakh
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ANSWER :
C. 1 million (10 lakh)
14.
The functional unit of the kidney is:
A.
Loop of Henle
B.
Glomerulus
C.
Bowman's capsule
D.
Nephron
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ANSWER :
D. Nephron
15.
The kidneys are located:
A.
In the pelvic cavity
B.
On either side of the vertebral column, between the last thoracic and 3rd lumbar vertebrae
C.
In the thoracic cavity
D.
Inside the liver
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ANSWER :
B. On either side of the vertebral column, between the last thoracic and 3rd lumbar vertebrae
16.
The outer concave region of the kidney where blood vessels and ureter enter/exit is called:
A.
Calyx
B.
Medulla
C.
Cortex
D.
Hilum (or hilus)
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ANSWER :
D. Hilum (or hilus)
17.
The renal pelvis extends into the kidney as projections called:
A.
Bowman's capsules
B.
Pyramids
C.
Cortices
D.
Calyces (singular: calyx)
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ANSWER :
D. Calyces (singular: calyx)
18.
The kidney has two main regions:
A.
Cortex and pelvis
B.
Medulla and ureter
C.
Outer cortex and inner medulla
D.
Hilum and pelvis
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ANSWER :
C. Outer cortex and inner medulla