(A) Amanitin
(B) Cyclohexamide
(C) Penicillin
(D) Chloramphenicol
Tag: Zoology mcqs
nucleolar organizer contains __ tRNA genes.
(A) 45
(B) 450
(C) 2500
(D) 4500
Nucleolar organizer is separated from rest of chromosomes is?
(A) Primary constriction
(B) Chromomere
(C) Secondary constriction
(D) Centromere
The virus used during cell fusion techniques is called?
(A) Rous sarcoma
(B) Influenza
(C) Retrovirus
(D) Sendai
When cell wall is removed from the plant cell it is called?
(A) Protoplast
(B) Protoblast
(C) Mytoplast
(D) Prothallus
Birds that fly at high altitudes need and especially respiratory system because?
(A) At high altitude the air sacs do not function.
(B) There is little oxygen in the atmosphere at high altitude.
(C) At high altitude birds flap their wings faster.
(D) There is little carbon dioxide at high altitudes.
This is not the character of Primates?
(A) Opposable digits
(B) Binocular vision
(C) A well developed cerebrum
(D) A Cloaca
Ctenoid scales are present on the bodies of?
(A) Chondrichthyes
(B) Osteichthyes
(C) Cyclostomes
(D) Myxini