(A) Tempo evolution
(B) Parallel evolution
(C) Divergent evolution
(D) Convergent evolution
Tag: Zoology mcqs
Myelin sheath is derived from the?
(A) Schwann cells
(B) Microglia
(C) Neuroglial cells
(D) Nerve cells
Uterine tube terminate in a hollow muscular organ in front of the rectum and behind the urinary bladder is called?
(A) Cervix
(B) Vagina
(C) Uterus
(D) Endometrium
Main substance reabsorbed in the descending limb of the loop of Henle is?
(A) Potassium
(B) Sodium
(C) Water
(D) Ammonia
Studies that involve a single dose or exposure of very short duration are?
(A) Sub Chronic
(B) Acute
(C) Observation period
(D) Chronic
Which of the following is known as pacemaker of the heart?
(A) Conus Arteriosus
(B) S-A node
(C) Purkinje fibers
(D) A-V node
Arms are absent in class?
(A) Echinoidea
(B) Ophiuroidea
(C) Crinoidea
(D) Asteroidea
Which fishes have well developed stomach and intestine than that of herbivores of comparable size?
(A) Predatory
(B) Strainer
(C) Sucking
(D) Grazing