Urinary bladder is absent in?

VAN-0001

QUESTION

Urinary bladder is absent in?

OPTIONS

(A) Ox
(B) Dog
(C) Fowl
(D) Horse

ANSWER

(C) Fowl

EXPLANATION

Urinary bladder is absent in fowl because birds excrete nitrogenous waste mainly as uric acid and do not have a urinary bladder, which reduces body weight for flight. Ox, dog, and horse are mammals and normally possess a urinary bladder for temporary storage of urine.

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