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


7.
Uricotelism is found in:
A.
Mammals only
B.
Reptiles, birds, land snails, and insects
C.
Bony fishes
D.
Aquatic amphibians
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ANSWER :
B. Reptiles, birds, land snails, and insects
8.
Which of these nitrogenous wastes requires the LEAST amount of water for excretion?
A.
Ammonia
B.
Uric acid
C.
Urea
D.
Creatinine
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ANSWER :
B. Uric acid
9.
Which is the most toxic nitrogenous waste?
A.
Urea
B.
Ammonia
C.
Creatinine
D.
Uric acid
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ANSWER :
B. Ammonia
10.
Adult frogs are ureotelic but tadpoles are:
A.
Aminotelic
B.
Uricotelic
C.
Ammonotelic
D.
Same as adults
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ANSWER :
C. Ammonotelic
11.
Birds and reptiles excrete uric acid because:
A.
Uric acid is more nutritious
B.
Their kidneys cannot make urea
C.
It tastes better
D.
It minimizes water loss, important for terrestrial life and shelled eggs
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ANSWER :
D. It minimizes water loss, important for terrestrial life and shelled eggs
12.
The main excretory organ in humans is:
A.
Liver
B.
Skin
C.
Kidney
D.
Lungs
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ANSWER :
C. Kidney