Question

The sequence of development of embryo sac is

• A. archesporium $\to$ megaspore $\to$ megasporangium $\to$ embryo sac
• B. archesporium $\to$ megaspore $\to$ megaspore mother cell $\to$ embryo sac
• C. archesporium $\to$ megaspore $\to$ megaspore $\to$ embryo sac
• D. None of the above

Answer 1

The correct option is B archesporium $\to$ megaspore $\to$ megaspore mother cell $\to$ embryo sac

Above is a diagrammatic representation of sequence of development of the embryo sac(female gametophyte) and also Ragweed pollen grain(male gametophyte).

So, the correct answer is 'B'.