All MCQs Tests - VU ZOO501 - Developmental Biology

Question 1: During mammalian cleavage the trophoblast cells secrete fluid into the morula to create a blastocoels this process called as __________.

Question 2: The cytotrophoblast initially adheres to the __________ through a series of adhesion molecules.

Question 3: In Nematode cleavage is __________.

Question 4: Between the area pellucida and the area opaca is a thin layer of cells called the __________.

Question 5: The cells adjacent to the chorda-mesoderm, the paraxial mesoderm cells, are the presursors of the in __________ fish.

Question 6: Chorion is derived from __________ cells.

Question 7: A __________ is a cell derived from cleavage in an early embryo.

Question 8: In Tunicate the second Cleavage __________.

Question 9: Fishes, __________, and birds undergo discoidal meroblastic cleavage, wherein the early cell division do not cut through the yolk of the egg.

Question 10: The cells adjacent to the chordamesoderm, the paraxial __________ cells, are the presursors of the mesodermal somites.