Is present between the two microsporangia in one anther lobe
Option: 4
More than one correct
Answers (1)
Between the two microsporangia in one anther lobe, the endothecium is thin-walled and forms the stomium or line of dehiscence of the anther.
Hence, the stomium is formed by endothecium and is present between the two microsporangia in one anther lobe. So, the correct answer is option d.