Excretory Products and their EliminationHard

Question

Find out the correct statement

Options

A.Kidneys do not play any significant role in ammonia removal.
B.Human kidneys can produce only hypertonic urine nearly five times concentrated than the initial filtrate.
C.Urea may be retained in the kidney matrix of all animals to maintain a desired osmolarity.
D.All the above

Solution

NCERT Page No. # 297 (Eng), 290 (Hindi)

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