ICSE Class X Biology 2015 Solved Papers

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The diagram given below shows a section of a human kidney. Study the diagram carefully and answer the questions that follow:
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Question : 74
Total: 98
Why does part '2' have a striped appearance?
Solution:  
Part 2 (Medulla) has the loop of Henle of all the nephrons. So they have appearance like stripes.
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