The outermost and innermost wall layers of microsporangium in an anther are respectively
A. endothecium and tapetum
B. epidermis and endodermis
C. epidermis and middle layer
D. epidermis and tapetum.
Answer:D
The outermost and innermost wall layers of microsporangium in an anther are respectively
A. endothecium and tapetum B. epidermis and endodermis C. epidermis and middle layer D. epidermis and tapetum.