Define microspore.

Define transport

Assertion : In a microsporangium, the tapetal cells possess little cytoplasm and generally have a single prominent nucleus. Reason : During microsporogenesis, the microspore mother cells (M M Cs) undergo mitotic divisions to produce hapliod microspore tetrads.

Assertion : Pollen grains are the immediate product of meiosis of the microspore mother cell. Reason : The pollen grain have diploid number of chromosomes.

Arrange the following terms in the correct developmental sequence : Pollen grain , sporogenous tissue, microspore tetrad ,pollen mother cell, male gametes .

A flower of tomato plant following the process of sexual reproduction produces 240 viable seeds. What is the minimum number of microspore mother cells involved in this process?

Define couple.