ICSE Class X Biology 2018 Solved Papers

The diagram given below is that of a structure present in a human kidney. Study the same and answer the questions that follow:

Question : 71 of 97

Marks: +1, -0

Name the main nitrogenous waste in it. Mention the three main steps involved in the formation of the fluid mentioned in (iii) above.

Solution:

Formation of the urine occurs in three steps are :
1. Ultrafiltration
2. Selective Reabsorption
3. Tubular Secretion

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