Question

Arrange the following stages of embryo development in dicots from earliest to latest.

• A. (iv)-(ii)-(i)-(iii)
• B. (iii)-(i)-(ii)-(iv)
• C. (i)-(ii)-(iii)-(iv)
• D. (ii)-(iv)-(i)-(iii)

Answer 1

The correct option is D

(ii)-(iv)-(i)-(iii)

In dicots, the zygote develops into an embryo at the micropylar end. Zygote gives rise to the proembryo and subsequently to the globular stage which later forms a cordate shaped or heart-shaped embryo. Further development of the heart shaped embryo leads to the mature embryo stage.