Which of the following options describes tapetum correctly?

The correct option is A Nutritive tissue
Tapetum are tissues constituting the anther. Its functions are:
(a) It provides nutrition to the pollen grains.
(b) It produces pollenkit material sporopollenin.
(c) It secrets enzyme. Eg - callose.

Sporogenous tissues of anther contains the microspore mother cells which undergoes meiosis to produce microspores.

External layer of the wall of microsporangium is called the epidermis.