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प्रश्न
Draw a T.S. of a young anther of an angiosperm. Label the different layers of the wall and write their functions.
उत्तर
(i) It is generally surrounded by four wall layers the epidermis, endothecium, middle layers and the tapetum.
(ii) Tho outer three wall layers perform the function at protection and help in dehiscenceof anther to release the pollen.
(ii) The innermost wall layer is the tapetum. It nourishes the developing pollen grains.
APPEARS IN
संबंधित प्रश्न
Transfer of pollen grains from the anther to the stigma of another flower of the same plant is called ______.
Number of prothallial cells present in male gametophyte of flowering plant is ______.
Proximal end of the filament of stamen is attached to the ______.
Point out the odd one.
Spiny or sticky pollen grains and large, attractively coloured flowers are associated with ______.
Callase enzyme which dissolves callose of pollen tetrads to separate four pollens is provided by ______.
Pollen grain is a ______.
How many pollen mother cells should undergo meiotic division to produce 64 pollen grains?
Mark the odd one.
Draw a neat and well labelled diagram of T.S. of anther.
