Biology
They are considered to be the most primitive and are surely the first of the vertebrates

Reptiles
Jawless fishes
Frogs
Amphibinas

ANSWER DOWNLOAD EXAMIANS APP

Biology
Osmosis is the flow of solution from higher concentration to a solution of lower concentration through a semi permeable membrane. What is incorrect in this statement?

Character of semi permeable membrane is not given
All are incorrect
The flow of solution is not possible through semi permeable membrane
Exact concentration of solution is not given

ANSWER DOWNLOAD EXAMIANS APP