Parabronchi are present in__________?
Parabronchi are present in__________?
A. cockroach
B. frog
C. fish
D. birds
A. cockroach
B. frog
C. fish
D. birds
All of the following are elements that plants need in very small amounts except___________?
A. Iron
B. Hydrogen
C. Chlorine
D. Copper
A Amino acids
B. RNA
C. Nucleotides
D. Polypeptides
The arrangement of unequal dichotomous branches in one plane during evolution of leaves is called_____________?
A. Overtopg
B. Fusion
C. Webbing
D. Planation
A. Metacentric
B. Sub-metacentric
C. Acrocentric
D. Telocentric