In an young anther the four rows of cells which later produce pollen are called
Archesporium
Antheridium
Tapetum
Zoosporangium
It’s obvious.
How many microspore mother cells will give rise to $256$ microspores after reduction division
Because of it pollen grains are well preserved as fossils
Male gametophyte in angiosperms produces
Which one of the following statements is not true?
The most resistant organic material known which makes up the outermost layer of pollen wall is
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