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(a) Draw a diagrammatic sketch of a tra...

(a) Draw a diagrammatic 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 microsperm.
(c) Write the function of 'germ pore' in a pollen grain of an angiosperm.

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( c) Germ pore (s) is the region where the exine is very thin of absent and through it the pollen tube emerges at the time of germination on stigma.
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