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In selective reabsorption useful substances such as glucose, amino acids and water are
AConverted into urea inside the kidney itself
BReleased into the urine as waste material
CStored in the urinary bladder permanently
DTaken back from the filtrate into the blood
Answer & Solution
Correct answer: D. Taken back from the filtrate into the blood
1. After ultrafiltration, the filtrate has many useful substances.
2. The kidney tubule cells actively reabsorb them.
3. Selective means glucose, amino acids and water go back to blood.
4. So option A is correct.
_Source: Selina Concise Biology Class 10, Ch 8 The Excretory System (Mistral OCR'd PDF), section on selective reabsorption_
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