The correct option is B If both the assertion and reason are true but the reason is not a correct explanation of the assertion
In angiosperm, sporophylls are organized into flowers. Both microsporophylls and megasporophylls are specialized. A microsporophyll or stamen consists of a filament and an anther. A megasporophyll or carpel is rolled and partly sterilized to produce a stigma, style and ovary containing ovules.