PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free Demo1. With a neat labelled diagram describe the parts of a typical angiospermic ovule.
a. The is the major component of the ovule, which is surrounded by two and has a opening.
b. A stalk termed the connects the ovule to the ovary wall.
c. is the basal part.
d. The of the ovule contains seven cells and eight nuclei located within the nucellus.
e. Out of the seven cells, three cells are located at the micropylar end and form the .
f. The remaining three cells at the chalaza end form the .
g. The remaining two nuclei are called , and are present at the centre.
h. In the egg apparatus, one forms the female gamete or , and the remaining two cells are the .
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