Foundation
Biology Foundation
Excretion
Question

The urine under normal conditions does not contain glucose because

glucose in glomerular filtrate is converted into glycogen

glucose in glomerular filtrate is reabsorbed in uriniferous tubules

the normal blood sugar is fructose

glucose of blood is not filtered in the glomerulus

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Solution

When the glomerular filtrate comes in the proximal convoluted tubule, reabsorption of glucose and amino acids takes place through active transport. So, there is no glucose found in the urine.