Home
Class 10
BIOLOGY
(i) State any two changes seen in boys a...

(i) State any two changes seen in boys at the time of puberty.
(ii) Define implantation and fertilization.

Text Solution

Verified by Experts

(i) Boys begin to have thick hair growth on the face. Their voice begins to crack.
(ii) Implantation is the process of fixing of zygote to the uterine wall.
Fertilization is the union of male and female gamete to form a zygote.
Promotional Banner

Topper's Solved these Questions

  • HOW DO ORGANISMS REPRODUCE?

    OSWAAL PUBLICATION|Exercise TOPIC - 3 (REPRODUCTION IN HUMAN BEINGS)(LONG ANSWER TYPE QUESTIONS)|12 Videos

  • HOW DO ORGANISMS REPRODUCE?

    OSWAAL PUBLICATION|Exercise NCERT CORNER (INTEXT QUESTIONS)|12 Videos

  • HOW DO ORGANISMS REPRODUCE?

    OSWAAL PUBLICATION|Exercise TOPIC - 3 (REPRODUCTION IN HUMAN BEINGS)(SHORT ANSWER TYPE QUESTIONS - I)|10 Videos

  • HEREDITY AND EVOLUTION

    OSWAAL PUBLICATION|Exercise NCERT CORNER TEXTBOOK EXERCISES|11 Videos

  • LIFE PROCESSES

    OSWAAL PUBLICATION|Exercise NCERT CORNER ( TEXTBOOK EXERCISES )|13 Videos

Similar Questions

Explore conceptually related problems

What are the changes seen in girls at the time of puberty?

What are the changes seen in girls at the tiine of puberty?

a) what are the changes seen in girls at the time of puberty ? b ) Where does the zygote implanted in human beings ?

State any two conditions essential for good health.

State any two conditions essential for being free of disease.

State any two differences between arteries and veins.

State any two universal rules of binomial nomenclature.

State any two practices which can help In the protection of our evironment.

OSWAAL PUBLICATION-HOW DO ORGANISMS REPRODUCE?-TOPIC - 3 (REPRODUCTION IN HUMAN BEINGS)(SHORT ANSWER TYPE QUESTIONS - II)
  1. What is placenta? Write any two major functions of placenta. Ans. A di...

    Text Solution

    |

  2. List six specific characteristics of sexual reproduction.

    Text Solution

    |

  3. Write two examples each of sexually transmitted diseases caused by (i)...

    Text Solution

    |

  4. State one function of each of the following parts of human male reprod...

    Text Solution

    |

  5. What are the functions of testis in the human male reproductive system...

    Text Solution

    |

  6. (a) Mention the role of the following organs of human male reproductiv...

    Text Solution

    |

  7. Is copy of DNA formed during reproduction identical to the original ce...

    Text Solution

    |

  8. State in brief the function of the following organs in the human femal...

    Text Solution

    |

  9. (i) How many eggs are produced every month by either of the ovaries in...

    Text Solution

    |

  10. In the diagram of human male reproductive system given below : (i) L...

    Text Solution

    |

  11. Suggest three contraceptive methods to control the size of human popul...

    Text Solution

    |

  12. DNA content has the tendency to double itself during sexual reproducti...

    Text Solution

    |

  13. List any four methods of contraceptions used by humans. How does their...

    Text Solution

    |

  14. List three points of significance of reproductive health in a society.

    Text Solution

    |

  15. (i) Mention two secondary sexual characteristics in human male. (ii)...

    Text Solution

    |

  16. (i) State any two changes seen in boys at the time of puberty. (ii) ...

    Text Solution

    |

  17. Explain the following : (i) Testes and Ovaries are considered as the...

    Text Solution

    |