Home
Class 12
BIOLOGY
What is placenta ?Give its functions ...

What is placenta ?Give its functions ?

Promotional Banner

Topper's Solved these Questions

  • SEXUAL REPRODUCTION IN FLOWERING PLANTS

    MODERN PUBLICATION|Exercise Competition File (Objective Type Questions (MCQ))|89 Videos

  • SEXUAL REPRODUCTION IN FLOWERING PLANTS

    MODERN PUBLICATION|Exercise Competition File (Assertion & Reasons Type Questions)|19 Videos

  • SEXUAL REPRODUCTION IN FLOWERING PLANTS

    MODERN PUBLICATION|Exercise Revison Exercises (IV. Short Answer Type -II Questions)|42 Videos

  • REPRODUCTIVE HEALTH

    MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST (SECTION D (LONG ANSWER QUESTION))|2 Videos

  • STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION

    MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST|15 Videos

Similar Questions

Explore conceptually related problems

(a) How is polyspermy prevented in human ? (b) What is placenta ? Write four functions of human placenta.

What is placenta ? Explain the functions of placenta.

What is pigeon milk? Give its function.

What is blubber ? Give its function.

What is salt bridge? Give its functions.

What is osphradium? Give its function.

What is bone narrow? Give its function.

What is Z-line ? Give its function.

MODERN PUBLICATION-SEXUAL REPRODUCTION IN FLOWERING PLANTS-Revison Exercises (VI. Long Answer Type Questions)
  1. Describe different types of cross pollination in plants.

    Text Solution

    |

  2. Differentiate between self and cross pollination. Mention two contriva...

    Text Solution

    |

  3. WHAT IS APOMIXIS AND POLYEMBRYONY

    Text Solution

    |

  4. Define double fertilization. Explain the process with the help of suit...

    Text Solution

    |

  5. Raja a science student observed the structure of mature embryo sac com...

    Text Solution

    |

  6. Explain megasporogenesis till the formation of embryo sac. Support you...

    Text Solution

    |

  7. What is placenta ?Give its functions ?

    Text Solution

    |

  8. Explain the formation of embryo sac in plants.

    Text Solution

    |

  9. Explain the structure of typical angiospermic ovule.

    Text Solution

    |

  10. With the help of labelled diagrams, depict the stages of a microspore ...

    Text Solution

    |

  11. Describe double fertilization and its significance.

    Text Solution

    |

  12. (a) Define cleistogamy. What type of pollination occurs in cleistogamo...

    Text Solution

    |

  13. Draw a neat labelled diagram of T.S. of mature anther.

    Text Solution

    |

  14. With the help of a labelled diagram, describe the structure of typical...

    Text Solution

    |

  15. Explain with the help of a diagram the development of a mature embryo ...

    Text Solution

    |

  16. (i) Draw a diagram of a section of a megasporangium of a flowering pla...

    Text Solution

    |

  17. Describe the post festulolium changes in embryo sac.

    Text Solution

    |

  18. Write an essay on the development of female gametophyte. Illustrate th...

    Text Solution

    |

  19. What is crom pollination? Write two advantages of crow-pollination,

    Text Solution

    |

  20. What is megasporogenesis? Explain the development of eight nucleate em...

    Text Solution

    |