| Observe the given diagram of enlarged view of one microsporangium showing wall layers and answer questions that follows |
 |
| (iv) Which of the following wall layer does not helps in dehiscence of anther? |
A) Epidermis
B) Endothecium
C) Middle layer
D) Tapetum
Correct Answer: D
Solution :
[d] A typical microsporangium is surrounded by four wall layers, i.e. the epidermis, endothecium, middle layers and the tapetum. The outer three wall layers are protective in function and help in dehiscence of anther to release pollen grains more than one embryo in a seed. In many Citrus and Mangifera varieties, some of the nucellar cells surrounding the embryo sac start dividing, protrude into the embryo sac and develop into embryos.
You need to login to perform this action.
You will be redirected in
3 sec
