ICSE Class X Biology 2013 Solved Papers

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SECTION - II
Given below is a diagram of the lateral section of a testis of a man. Study the same and answer the questions that follow:
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Question : 38
Total: 90
What is the significance of the testes being located in the scrotal sac outside the abdomen ?
Solution:  
Testis are located in scrotal sac because it provides 23C less temperture than the body temperature, which is required for maturation of sperms.
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