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Study the following table: Group Parts of stamen Parts of pistil A Anther, filament Ovary, stigma, style B Anther, petal Anther, sepal, stigma C Stigma filament Style, stigma, sepal D Style, ovary Anther, filament, ovary   The group in which the parts of stamen and parts of pistil are correctly shown is

Study the following table: Group Parts of stamen Parts of pistil A Anther, filament Ovary, stigma, style B Anther, petal Anther, sepal, stigma C Stigma filament Style, stigma, sepal D Style, ovary Anther, filament, ovary   The group in which the parts of stamen and parts of pistil are correctly shown is Correct Answer A

Concept:

Mode of Reproduction in Plant

  • There are two modes of reproduction in plants: Sexual and Asexual. 
  • The sexual mode of reproduction takes place through flowers by transfer of pollen grains. 
  • The asexual mode of reproduction includes vegetative propagation, spore formation, fragmentation, etc. 

Flower as Reproductive Part

  • The flower is considered the reproductive part of the plant in case of sexual reproduction. 
  • The flower contains a male part and a female part. 
  • The male part is known as stamen and the female part is known as the pistil. 
  • The male part or stamen consists of anther and filament. 
    • The anther produces pollen grains while the stamen supports the anther.
    • Pollen grains contain male gametes. 
  • The female part or pistil consists of Ovary, stigma, style. 
    • The ovary contains female gametes or ovules. 
  • Male and a female gamete fuse to form a zygote. 
  • This happens through the process of pollination.
    • In pollination, the pollen grains from the anther go to stigma and fertilization happens in the ovary. 
    • The transfer of pollen grains from stamen to pistill takes place through insects, air, water or other mediums.

Conclusion:

  • Anther and Filament is the part of stamen and Ovary, stigma, style are part of pistil. 
  • This is represented in section A, so it the correct answer. 

Additional Information

Pollination

  • The pollen grains by different means like wind, insects, or other methods get transferred to stigma. 
  • From stigma, the pollen grains reach to ovary. 
  • The ovary contains one or more ovules.
  • The female gamete or the egg is formed in an ovule In sexual reproduction a male and a female gamete fuse to form a zygote.
    • If pollination happens in the same flower it is termed self-pollination. 
    • If pollination happens from one flower to another it is called cross-pollination. 

Unisexual and BIsexual Flower

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  • Flowers that contain either only pistils or only stamens are called unisexual flowers. Examples: Corn, papaya 
  • Flowers that contain both stamens and pistil are called bisexual flowers. Examples: mustard, rose.

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