Which of these endocrine glands is endodermal in origin:
A.Pituitary gland
B.Adrenal gland
C.Thyroid gland
D.Pineal body
A.Pituitary gland
B.Adrenal gland
C.Thyroid gland
D.Pineal body
A.Embryonal knob
B.Hensen’s knot
C.Corona radiata
D.None of these
A.Adrenaline
B.Thyroxine
C.Prolactin
D.Growth hormone
A.A foetal part contributed by the embryo through allantois and chorion
B.A maternal part contributed by the mother through uterine wall
C.Both (a) & (b)
D.None of these
A.Kill all the tadpoles
B.Keep them in larval stage
C.Accelerate their metamorphosis
D.Slow down their metamorphosis
A.Morula formation
B.Blastula formation
C.Gastrula formation
D.Neurula formation
A.Thyroid
B.Thymus
C.Adrenal
D.Parathyroid
A.Early blatula stage
B.Neurula stage
C.Early gastrula stage
D.Late gastrula stage
A.From evaluation to fertilization
B.From fertilization to cleavage
C.From conception to parturition
D.Of implantation of the embryo
A.It is only-single layered
B.During its formation involution and invagination processes occur
C.Blastopore and archenterons are not formed
D.The archenterons is filled with fluid