Question

Which of the given options shows a mature female gametophyte in angiosperms?

• A. 2 cells: micropylar end; 2 cells: antipodal end; 2 cells: centre
• B. 3 cells: antipodal end; 3 cells: micropylar end; 1 cell: centre
• C. 3 cells: antipodal end; 2 cells: micropylar end; 1 cell: centre
• D. 3 cells: antipodal end; 4 cells: micropylar end; 2 cells: centre

Answer 1

The correct option is B 3 cells: antipodal end; 3 cells: micropylar end; 1 cell: centre

A mature ovule has seven cells and eight nuclei in its structure as shown in the given table.
p - (ii) ; q - (i) ; r - (iv); s - (iii)
$\begin{array}{ccc}\text{Cell in mature ovule}& \text{Location}& \text{Number of cells}\\ \text{Antipodal cells}& \text{Chalazal end}& 3\\ \text{Synergids}& \text{Micropylar end}& 2\text{(surrounding the}\\ & & \text{female gamete)}\\ \text{Egg cell}& \text{Micropylar end}& 1\text{(female gamete)}\\ \text{Central cell}& \text{Centre}& 1\text{(large central cell)}\end{array}$