Class 11 Biology Excretory Products and their Elimination Function of the Tubules

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Human urine is invariably acidic because

A
The blood entering the kidney is acidic
B
Kidneys selectively filter out the acidic substances of blood into urine
C
Kidneys secrete acids to keep urine acidic
D
Urine is made acidic in urinary bladder

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Class 11 Questions

Class 11

Biology Questions

Chapter

Excretory Products and their Elimination

Subtopic

Function of the Tubules

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