Question

Structure of microspore and pollen grain

Answer 1

here are ur structure
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Answer 2

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STRUCTURE OF MICROSPORE (POLLEN GRAINS) :

⏩Pollen Grains maybe oval ,ellipsoidal triangular, lobed or even Crescent shaped .
Typically Pollen Grain is a haploid unicellular body with single nucleus .

⏩The outer layer called exam is thick and sculptured or smooth it is the cuticularised and cutin is a special type called sporopollenin which is Resistance to the chemical and biological decomposition so Pollen wall is preserved for long hairs in Fossil deposits .

⏩At certain places the exact remains thing the thing areas are known as gemfos when they are circular in outline and germinal furrows when they are alongated .

⏩The in time is thin and Elastic it emerges out as the Pollen tube from the germ pores during germination .

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