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Per NCERT, what is the BASIC FILTRATION UNIT of the kidney?
AThe villus
BThe atrium
CThe nephron — a coiled tube with a cluster of thin-walled blood capillaries collected by Bowman's capsule
DThe alveolus
Answer & Solution
Correct answer: C. The nephron — a coiled tube with a cluster of thin-walled blood capillaries collected by Bowman's capsule
Per NCERT §5.5.1, nephron = kidney's filtration unit. Alveolus is in lungs; villus in intestine; atrium in heart.
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