In angiosperms,the four microspores of a tetrad are covered by a layer which is made up of:

The middle layers of the microsporangium are located between which of the following layers?

Describe the internal structure of a microsporangium.

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:

Palynology is the study of

Select the incorrect statement regarding microsporogenesis in an anther.