Question

Structure of microspore and pollen grain

Answer 1

hi dear
here are the structure
hope it work

Answer 2

 

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 .

hope it helps you
#be brainly