In a flower, if the megaspore mother cell forms megaspores without undergoing meiosis and if one of the megaspores develops into an embryo sac,

To polish a gold ornament, it is dipped in a liquid called aqua regia (a mixture of hydrochloric acid and nitric acid). On getting the environment of aqua regia, the...

Yes, if the embryo develops from the cells of nucellus or integument it will be diploid.

On crossing red and white flower only red colour flower appeared in the F1 generation. But the white colour flower again appear in the F2 generation which is raised out...

This is because the pistil is intact due to which cross-pollination takes place leading to fertilisation and formation of fruit.

The correct answer is (2)  The first cell of female gametophytic generation in angiosperm is megaspore. It undergoes three successive mitotic division to form 8-nucleated and 7-celled embryo sac.

c. Pollen grain

a. Synergid, zygote and primary endosperm nucleus

b. Synergids and antipodals

a. Parthenocarpy

(A) for tir dic In the first and second statements, the common code word is green and the common word is sac.  So, green means sac. In the first and third...