Home
Class 12
BIOLOGY
Which one of the following statements ab...

Which one of the following statements about human sperms is correct?

A

Acrosome has a conicla pointed structure used for piercing and penetrating the egg, resulting in fetilisation

B

The sperm lysins in the acrosom dissolve the egg envelope facilitating fertilisation

C

Acrosome serves as a sensory struture leading the sperm towards the ovum

D

Acrosome serves no particular function

Text Solution

Verified by Experts

The correct Answer is:
B

Penteration of human sperm is a chemical mechanism. In this, acrosome of sperm undrgoes acrosomal reaction adn releases certain sperm lysins. Which dissolves the egg enevelop locally and make the path, for the ponetration of sperm. Sperm lysins are acidic proteins. These sperm lysins contain a lytic enzyme hyaluronidase that dissolveds the hyaluronic acid polymers in teh intercelluar spaces, whcih holds hte granulosa cells of corona radiata together with corona penetrating enzyme and acrosin.
Promotional Banner

Topper's Solved these Questions

  • HUMAN REPRODUCTION

    ARIHANT NEET|Exercise MEDICAL ENTRANCES SPECIAL FORMAT QUESTIONS (STATEMENTS BASED QUESTIONS)|14 Videos
  • HUMAN HEALTH AND DISEASES

    ARIHANT NEET|Exercise CHAPTER EXCERCISES ((B) MEDICAL ENTRANCES GALLERY (COLLECTION OF QUESTIONS ASKED IN NEET & VARIOUS MEDICAL ENTRANCE EXAMS))|42 Videos
  • MECHANISM OF EVOLUTION

    ARIHANT NEET|Exercise Chapter Exercises (C ) Medical entrances gallary (Collection of Questions Asked in NEET & Various Medical Entrance Exams )|26 Videos

Similar Questions

Explore conceptually related problems

Which one of the following statements about human sperm is correct ?

Which one of the following statements about morula humans is correct?

Which one of the following statements about halogens is correct?

Which one of the following statements about the atmosphere is correct?

Which one of the following statements about microbes is not correct?

Which one of the following statements about viruses is correct?

Which one of the following statements about nitrogenase is correct?

ARIHANT NEET-HUMAN REPRODUCTION -MEDICAL ENTRANCES GALLERY (COLLECTION OF QUESTIONS ASKED IN NEET & VARIOUS MEDICAL ENTRANCE EXAMS)
  1. The best definition of the process of gastrulation is that it is a pro...

    Text Solution

    |

  2. Sertoli cells are found in

    Text Solution

    |

  3. Which one of the following statements about human sperms is correct?

    Text Solution

    |

  4. Vasa efferentia are the ductules leading from:

    Text Solution

    |

  5. The part of Fallopian tube closest to the ovary is:

    Text Solution

    |

  6. In humans, at the end of the first meiotic division, the male germ cel...

    Text Solution

    |

  7. The middle piece of the sperms contains

    Text Solution

    |

  8. After ovulation, Graafian follicle forms

    Text Solution

    |

  9. Which one of the following is the most likely reason of not occurring ...

    Text Solution

    |

  10. In humans the oocyte is maintained in a state of meiotic arrest by the...

    Text Solution

    |

  11. Human chorionin gonadotropin is secreted by

    Text Solution

    |

  12. In human the unpaired male reproductive structure is

    Text Solution

    |

  13. Bartholin's glands are situated

    Text Solution

    |

  14. The parts of male urethra are

    Text Solution

    |

  15. Formation of corpus luteum is infulenced by

    Text Solution

    |

  16. The cavity contained in Graafian follicle is

    Text Solution

    |

  17. Human sperm cells move by means of a

    Text Solution

    |

  18. In oogenesis, when a diploid cell in the ovary undergoes, meiosis, how...

    Text Solution

    |

  19. Vapaciotation of sperm in mammals involves

    Text Solution

    |

  20. Assertion (A) Generally, a woman do not conceive during lactation per...

    Text Solution

    |