Home
Class 12
BIOLOGY
A flower of tomato plant following the p...

A flower of tomato plant following the process of sexual reproduction produces 240 viable seeds.
Answser the following questions giving reasons :
(a) What is the minimum number of pollen grains that must have been involved in the pollination of its pistil ?
(b) What would have been the minimum number of ovules present in the ovary ?
(c) How many megaspore mother cells were involved ?
(d) what is the minimum number of microspore mother cells involved in the above case ?
(e) How many male gametes were involved in this case ?

Promotional Banner

Topper's Solved these Questions

  • SEXUAL REPRODUCTION IN FLOWERING PLANTS

    MODERN PUBLICATION|Exercise Revison Exercises (III. Short Answer Questions)|16 Videos
  • SEXUAL REPRODUCTION IN FLOWERING PLANTS

    MODERN PUBLICATION|Exercise Revison Exercises (B. (Questions From Cbse Board Examinations)|19 Videos
  • SEXUAL REPRODUCTION IN FLOWERING PLANTS

    MODERN PUBLICATION|Exercise Revison Exercises (II. Very Short Answer Type Questions)|24 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

Aflower of brinjal plant following the process of sexual reprodution prroduces viable seeds. Answer thr following questions giving reasons: How many ovules are minimaly involved ? ( b) How many megaspore mother cells are involed ? (c ) What is the minimum number of pollen grains that must land on stigma for pollination ? ( d) How many male gametes in the above cese ?

A flower of tomato plant following the process of sexual reproduction produces 200 viable seeds. Answer the following question giving reasons: What would have been the minimum number of ovules present ii) per-pollinated pistil ? How many microspore mother cells would minimally be required to produce requisite number of pollen grains ? How many pollen grains must have minimally pollinated the carpel ? (d) How many male garnets would have used to produce these 200 viable seeds ? How many :megaspore mother cells were required in this process?

A flower of brinjal plant, following the process of sexual reproduction , produces 360 viable seeds. Answer the following questions giving reasons: (a) How many ovules are minimally involved ? (b) How many megaspore mother cells are involved ? (c ) What is the minimum no. of pollen grains that must land on stigma for pollination ? (d) How many male gametes are involved in the above case ? (e ) How many microspore mother cells must have undergone reduction division prior to dehiscence of anther in the above case ?

Process of sexual reproduction which involves meiosis and syngamy is

To produce 500 pollen grains, how many microspore mother cells are required ?

Determine the number of microspore mother cells that are necssary to produce 200 pollen grains ?

During the process of sexual reproduction in flowering plants, double fertilisation involves

If there are 4 pollen mother cells in anthers, what will be the number of pollen grains ?

MODERN PUBLICATION-SEXUAL REPRODUCTION IN FLOWERING PLANTS-Revison Exercises (B. Questions From Cbse Board Examinations)
  1. (a ) Trace the development ofmegaspore mother cell up to the formation...

    Text Solution

    |

  2. Give reasons why: (i) Most zygotes in angiosperms divide only afte...

    Text Solution

    |

  3. How does the megaspore mother cell develop into 7-celled, 8 nucleate e...

    Text Solution

    |

  4. (a) Draw a labelled diagram of the sectional view of a typical anatrop...

    Text Solution

    |

  5. With a neat, labelled diagram, describe the parts of a mature angiospe...

    Text Solution

    |

  6. (a) Draw a diagrammatic sectional view of a mature anatropous ovule an...

    Text Solution

    |

  7. a) Coconut palm is monoecious, while date palm is dioecious. Why are t...

    Text Solution

    |

  8. (a) Explain the phenomenon of double fertilization . (b) Draw a lab...

    Text Solution

    |

  9. a) Why does endosperm development precede development in angiosperm s...

    Text Solution

    |

  10. (a) Explain the different ways apomictic seeds can develop. Give an ex...

    Text Solution

    |

  11. A flower of tomato plant following the process of sexual reproduction ...

    Text Solution

    |

  12. (a) Describe is sequence the process of microsporogenesis in angiosper...

    Text Solution

    |

  13. (a) As a senior biology student you have been asked to demonstrate to ...

    Text Solution

    |

  14. (a) A capsicum flower has 240 ovules in its ovary . But , it produces ...

    Text Solution

    |

  15. A flower of brinjal has 520 ovules in its ovary . However, it produces...

    Text Solution

    |

  16. Read the following statement and answer the questions that follows: ...

    Text Solution

    |

  17. (a) When a seed of an orange is squeezed , many embryos , instead of...

    Text Solution

    |

  18. Mention various devices to discourage self pollination and encourage c...

    Text Solution

    |

  19. The embryo sac in female gametophyte is seven cells and eight nucleate...

    Text Solution

    |

  20. List the charges that occur when an ovule matures into seed.

    Text Solution

    |