In human beings, after fertilisation,
Question:

 In human beings, after fertilisation, the structure which gets embedded in the wall of uterus is

(a) ovum

(b) embryo

(c) foetus

(d) zygote

Solution:

(b) After fertilisation, the zygote divides repeatedly to form a ball of hundreds of cells called an embryo. The embryo moves down from oviduct into

the uterus, where it gets embedded. This is called implantation.

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