Which of the following statements are correct ?

(A) Embryo develops at the micropylar end of the embryo sac where the zygote is situated. 

(B) The early stages of embryo development (embryogeny) are different  in both monocotyledons and dicotyledons.

(C) The zygote gives rise to the proembryo and subsequently to the  heart-shaped after that globular and finally mature embryo .

(D) Embryos of monocotyledons possess only one cotyledon.

Choose the correct  answer from the options given below:

A and D only 

The correct option is (3) A and D only .

(A) Embryo develops at the micropylar end of the embryo sac where the zygote is situated. Most zygotes divide only after certain amount of endosperm is formed.

(B) The early stages of embryo development (embryogeny) are similar in both monocotyledons and dicotyledons.

(C) The zygote gives rise to the proembryo and subsequently to the globular, heart-shaped and mature embryo. In dicots, the zygote undergoes development into an embryo starting at the micropylar end. The zygote transforms into the proembryo, progressing to the globular stage, eventually shaping into a heart-shaped embryo. The continued development of the heart-shaped embryo results in the formation of the mature embryo stage.

(D) Embryos of monocotyledons  possess only one cotyledon. In the grass family the cotyledon is called scutellum that is situated towards one side (lateral) of the embryonal axis.