Directions : In the following question more than one of the answers given may be correct. Select the correct answer and mark it according to the code:
What is true about kidney? (1) Kidneys excrete undigested food (2) Kidneys excrete nitrogenous waste (3) Controls metabolism (4) Maintain osmotic pressure in blood and tissuesA) 1, 2 and 3 are correct
B) 1 and 2 are correct
C) 2 and 4 are correct
D) 1 and 3 are correct
Correct Answer: C
Solution :
Kidneys excrete nitrogenous waste and maintain osmotic pressure in blood and tissues.
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