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Presentation of class 4 on flower


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Presentation of class 4 on flower

  1. 1.  By:Bilal Moiz, Abbas Ali, MurtazaSoomro,M.Wadood and Ahmed Iqbal
  2. 2.  Petals are modified leaves that surround thereproductive parts of flowers. They are oftenbrightly colored or unusually shaped to attractpollinators. Examples of plants in which theterm tepal is appropriate include genera such asAloe and Tulipa.
  3. 3. The petal of the flower is observedunder the digital microscope.
  4. 4. By:Talha,Ayesha,Faraz,Saim&ZohalV-A
  5. 5.  Together, all of the petals of a flower arecalled a corolla. Petals are modified leaves that surroundthe reproductive parts of flowers. They are often brightly colored orunusually shaped to attract pollinators.
  6. 6. By: Hamza,Jawad,Ahmedand Huda
  7. 7.  The sepals are the green-leaf likestructures that enclose and protectthe developing flower. It is a modifiedleaf in the outermost whorl calyx of aflower.The calyx (which the sepals are theouter part of) protects the bud beforeit opens. The sepal allows the calyx toopen and provides rigid support for thepetals and reproductive organs of theflower.
  8. 8. The sepals observed under thedigital microscope.
  9. 9. By; Ahsan Arham Huzaifa Soban andMohib
  10. 10. The stamen is the pollen-producing reproductive organ of aflower. Stamenstypically consist of a stalk calledthe filament
  11. 11.  A male flower has pollen grains on it . Stamen is the male part of the flowerThe stamen observed under thedigital microscope
  12. 12. Made byZainab, Basit,Farida,Zara and Ayesha
  13. 13.  Pistil one of the four basic parts of a flower. The pistil is usually called the female. A flower may have one or more simple pistilsmore simple pistils. The stigma is often sticky or hairy, to retain thepollen.
  14. 14.  A flower may have one or more pistils whichconsist of a basal portion called the ovarywhich contains the embryo seeds or ovules andarea where the pollen is received called thestigma. Often the stigma may be borne on astalk-like structure called the style. The pistilconsists of ovule-bearing basic units calledcarpels.
  15. 15.  The ovules observed under the digitalmicroscope