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NEET Biology Human Reproduction Question Bank Critical Thinking Questions

  • question_answer
    In most of the mammals the testes are situated outside the abdominal cavity because [CPMT 1987; Kerala PMT 2005]

    A) Sperms produced in scrotal sac are more in number

    B) Sperms produced in abdominal cavity are provided with less motility

    C) Sperms producd in scrotal sac require lesser temperature for their best fertilization capacity

    D) Sperms produced in scrotal sac are bigger

    Correct Answer: C

    Solution :

    Testes in mammals are present outside the abdominal cavity because maturation of sperm needs low temperature. The temperature of scrotum is below (2 to 4°C) than abdominal cavity.


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