(A) Syncytial hypothesis
(B) Colonial hypothesis
(C) Radiate hypothesis
(D) None of the above
Tag: Zoology mcqs
Cyclic AMP activates enzyme?
(A) Protein Kinase
(B) Adenylate cyclase
(C) Endonuclease
(D) None of the above
Median eye is present in?
(A) Mammals
(B) Reptiles
(C) Birds
(D) Amphibians
Preen glands are present in?
(A) Ambhibians
(B) Fishes
(C) Reptiles
(D) Birds
In chick embryo the depression forms at the anterior end of the primitive streak that marks the beginning of an inward migration of epiblast cell is?
(A) Hensen’s node
(B) Hypoblast
(C) Archenteron
(D) Blastoderm
In female mammals which of the following hormone induces the mammary glands to secrete and eject milk?
(A) Oxytocin
(B) Prolactin
(C) Inhibin
(D) Relaxin
Flat worms, some cnidarians and gastromolluscs move by means of waves of activity in the muscular system. This type of movement is called?
(A) Looping movement
(B) Pedal locomotion
(C) Water vascular movement
(D) Walking
The C4 photosynthetic process was discovered by?
(A) Blackman
(B) Marshal Hatch
(C) Rogerslack
(D) Both B & C