(A) Thalidomide
(B) Marijuana
(C) Tetracycline
(D) Aspirin
Tag: Zoology mcqs
In vertebrates the yolk in eggs is synthesized in:
(A) Comulus cells
(B) Oocytes
(C) Blood
(D) Liver
The archenteron develops into:
(A) Lumen of digestive tract
(B) Blastocoel
(C) Placenta
(D) Liver
The process by which a tissue causes another tissue to differentiate is called:
(A) Gastrulation
(B) Induction
(C) Cleavage
(D) Differentiation
Which of the following is not the function of testosterone?
(A) Stimulates secondary sexual characteristics
(B) Increases sperm production
(C) Inhibits LH secretion
(D) Aids sperm maturation
The endometrial breakdown occurs due to decrease of?
(A) FSH
(B) Progesterone
(C) Estrogen
(D) None of the above
Hensen’s node in chick embryo is equivalent to?
(A) Atriopore
(B) Anal opening
(C) Dorsal lip of blastopore
(D) Neural opening
Adrenal gland is the derivative of?
(A) Mesoderm
(B) Endoderm
(C) Ectoderm
(D) Ectoderm and Mesoderm