Innermost wall layer of microsporangium which nourishes the developing pollen grain is called _____

Innermost layer of microsporangium which nourishes the developing pollen grain is called.

The inner wall of pollen grain is called

Innermost microsporangial wall layer that nourished pollen grains is

Microsporangium of anther is surrounded by four wall layers. Name the wall layer which nourishes the developing pollen grains.

Microsporangium is generally surrounded by four wall layers. Name the layer which nourishes developing pollen grains.

A cell possess dense cytoplasm and generally have more than one nucleus and are also nourish to developing pollen grains. The cell is

Arrangement of four wall layers in microsporangium from inside to outside is as follows:

The innermost wall layer of pollen sac is tapetum. Its function is in