In angiosperms,the site of meiosis is .......

$A$ flower has $10$ stamens,each having a bilobed,dithecous anther. If each microsporangium has $5$ pollen mother cells,how many pollen grains would be produced by the flower?

Haploid or diploid plants can be produced through anther culture. Diploid plants are produced from which of the following?

Pick out the wrong statement.

During meiosis in a pollen mother cell, the daughter cells are interconnected by cytoplasmic passages. The whole structure is called:

When mature anthers of $Datura$ $innoxia$ are cultured in a culture medium supplemented with phytohormones named kinetin,coconut milk,and plum juice,several embryos can be obtained floating inside the microsporangia. These embryos can develop into plants that are: