Arrange the following terms in the correct developmental sequence: Pollen grain, sporogenous tissue, microspore tetrad, pollen mother cell, male gametes
The correct development sequence is as follows:
Sporogenous tissue - pollen mother cell - microspore tetrad - Pollen grain male gamete
During the development of microsporangium, each cell of the sporogenous tissue acts as a pollen mother cell and gives rise to a microspore tetrad, containing four haploid microspores by the process of meiosis (microsporogenesis). As the anther matures, these microspores dissociate and develop into pollen grains. The pollen grains mature and give rise to male gametes.
Which statement is incorrect?
Pollen grains are generally _________ in outline measuring _________ micrometers in diameter.
...... posses dense cytoplasm and generally have more than one nucleus
After demonstration of totipotency, a botanist wishes to produce identical plants from an angiosperm by tissue culture. The parts or tissues which are likely to yield haploid embryos are
$A$ - Only some cells of the sporogenous tissue is capable of giving rise to microspore tetrad.
$R$- The microspores are arranged in a cluster of four cells - the microscopic tetrad.