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

  • POLLUTION (ENVIRONMENTAL ISSUES)

    ALLEN|Exercise S|22 Videos
  • REPRODUCTION IN ORGANISMS AND SEXUAL REPRODUCTION IN FLOWERING PLANTS

    ALLEN|Exercise EXERCISE-IV (Assertion & Reason )|24 Videos

Similar Questions

Explore conceptually related problems

How many ovules are present in an ovary?

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 ?

Name all the steps involved in this process of sexual reproduction.

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

What is the minimum number of carbon atoms of an alkane must have to form an isomer?

Process of sexual reproduction which involves meiosis and syngamy is

The minimum number of C atoms an alkyne must have to show diastereomerism:

Megaspores are produced from megaspore mother cells after

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

To produce 16 pollen how many microspore mother cells are required?

ALLEN-REPRODUCTION IN ORGANISMS & SEXUAL REPRODUCTION IN FLOWERING PLANTS-Question
  1. Differentiate between gametogenesis from embryogenesis.

    Text Solution

    |

  2. What are chasmogamous flowers? Can cross-pollination occur in cleistog...

    Text Solution

    |

  3. Make a list of any three outbreeding devices that flowering plants hav...

    Text Solution

    |

  4. Differentiate between microsporogenesis and megasporogenesis. Which ty...

    Text Solution

    |

  5. Why are angiosperm anthers called dithecous ? Describe the structure o...

    Text Solution

    |

  6. Double fertilization is reported in plants of both, castor and groundn...

    Text Solution

    |

  7. Describe the development of endosperm after double fertilization in an...

    Text Solution

    |

  8. State what is apomixis. Write its significance. How can it be commerci...

    Text Solution

    |

  9. Why do hermaphrodite angiosperms develop out breeding devices? Explain...

    Text Solution

    |

  10. Why are some seeed refferred to as apomictic seeds ? Mention one adant...

    Text Solution

    |

  11. (a) Explain triple fusion in angiosperm. (b) Write the fate of the p...

    Text Solution

    |

  12. What is self-incompatibility? Why does self-pollination not lead to se...

    Text Solution

    |

  13. Define (a) Juvenile phase, (b) Reproductive phase, (c) Senescent...

    Text Solution

    |

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

    Text Solution

    |

  15. (a) Explain the process of microsporogenesis in angiosperms. (b) Dra...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  18. (a) Draw a labelled diagram of the sectional view of microsporangium ...

    Text Solution

    |

  19. Plan an experiment and prepare a flow chart of the steps that you woul...

    Text Solution

    |

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

    Text Solution

    |