Question

hello people ~
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
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Answer 1

Answer:

The wall layers of a microsporangium from outermost to innermost are: epidermis, endothecium, middle layers and tapetum. The first three layers generally provide protection and help in dehiscence of anther. Tapetum performs nutritive function for pollen grains.

Answer 2

Answer:

Epidermis and tapetum

Explanation:

There are usually four layers located

1. epidermis
2. endothecium
3. middle layer
4. tapetum.

epedermis ann endothecium are the outer layers which provide support to innner most .

So option D is correct