Question

Zygote undergoes cleavage while moving through the isthmus of the oviduct towards the uterus and forms daughter cells called blastomeres. The embryo with $8$ to $16$ blastomeres is called $I$____ which continues to divide to form $II$____ in uterus. The blastomeres in the $II$____ are arranged into an outer layer called $III$____ and an inner group of cells called the inner cell mass.

	I	II	III
A	Morula	Blastocyst	Haemocytoblast
B	Morula	Gastrula	Haemocytoblast
C	Blastula	Gastrula	Trophoblast
D	Momla	Blastocyst	Trophoblast

• A. a
• B. b
• C. c
• D. d

Answer 1

Answer: (D)

Correct answer is (d) d