Enhanced Science 10 Reproductive System Quiz
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Questions and Answers

What is the function of fructose in semen?

  • Increase acidity of the female vagina
  • Stimulate peristaltic contractions of the female reproductive tract
  • Provide energy for sperm (correct)
  • Help dissolve clots in semen

    • What is the role of prostaglandins in semen?

  • Increase acidity of the female vagina
  • Dissolve clots in semen
  • Provide energy for sperm
  • Stimulate peristaltic contractions of female reproductive tract (correct)

    • What count of sperm cells per mL is considered infertility (sterility)?

  • < 50-75 million/mL
  • > 120-150 million/mL
  • < 20-25 million/mL (correct)
  • > 50-120 million/mL

    • How do anticoagulant factors in semen function?

    <p>Dissolve clots in semen</p> Signup and view all the answers

    What determines the sex of an organism?

    <p>Number of chromosomes</p> Signup and view all the answers

    What initiates ejaculation?

    <p>Sympathetic nerve impulses</p> Signup and view all the answers

    Which organ in the male reproductive system is responsible for producing sperm cells?

    <p>Testes</p> Signup and view all the answers

    What is the main function of the urethral sphincters during ejaculation?

    <p>To constrict and prevent semen from entering the urethra</p> Signup and view all the answers

    What is the function of the scrotum in the male reproductive system?

    <p>Maintain temperature of testes</p> Signup and view all the answers

    Which part of the male reproductive system is responsible for storing sperm cells?

    <p>Epididymis</p> Signup and view all the answers

    What are the secondary sex organs in females?

    <p>Uterine tubes, Uterus, Vagina</p> Signup and view all the answers

    What are secondary sex characteristics?

    <p>Features that attract sexes to each other</p> Signup and view all the answers

    What is the main function of the bulbospongiosus muscles of the penis?

    <p>Propelling semen from the urethra</p> Signup and view all the answers

    How long are sperm cells typically viable for?

    <p>2 days</p> Signup and view all the answers

    What is the approximate number of sperm cells that reach the destination during fertilization?

    <p>100</p> Signup and view all the answers

    How many spermatozoids does a man deposit during sexual intercourse?

    <p>200 million</p> Signup and view all the answers

    How many sperm cells out of the millions deposited actually reach the egg?

    <p>~300-500</p> Signup and view all the answers

    What is the likelihood of a single sperm fertilizing the egg?

    <p>1 in hundreds of millions</p> Signup and view all the answers

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