Question

When a cylindrical column of radius 5cm is turned counterclockwise in
fluid at 300rpm, obtain the circulation of the fluid in contact with the
column.

Answer 1

Answer:

MMC is a diploid cell which undergoes meiosis to form four haploid microspores which are arranged in a tetrad. This process is known as microsporogenesis. Each of these four microspores develops into a pollen grain. Hence, ploidy of microspore tetrad cells is haploid.