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(a) Draw a diagrammmatic sketch of a tr...

(a) Draw a diagrammmatic sketch of a transverse section of an anther of an angiosperm .Label its different walls and the tissue forming microspore mother cells.
(b) Describe the process of microsporogenesis upto the formation of a microspore.
(c) Write the function of 'germ pore' in a pollen grain of an angiosperm.

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(b) [Only microsporogenesis point is to be written].

(c) Germ pore plays important role in plant fertilization. It helps in the formation of polen tube and release the male gemete during fertilization.
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(a) Draw a labelled schematic diagram of the transverse section of a mature anther of an angiosperm plant. (b) Describe the characteristic features of an insect pollinated flower.

(a) Draw a labelled schematic diagram of the transverse section of a mature anther of an angiosperm plant. (b) Describe the characteristic features of an insect pollinated flower.

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Draw a labelled diagram of the sectional view of a mature pollen grain of angiosperms. Explain the function of generative cell and vegetative cell

If a typical angiospermic anther has 25 microspore mother cells in its each sporangium, calculate the total number of microspore tetrads, pollen grains and male gametes respectively produced by this anther.

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