State the evolution with the help of similarifies and dismilarities of heart of different vertebraters.

State the different parts of reflex arc.

State the differences between the nucleus of bacteria and nucleus of yeast.

(a) What is adaptive radiation. (b) Explain with the help of suitable example where adaptive radiation has occurred to represent convergent evolution.

heart wood differs from sapwood in

State the difference between binary fission and budding .

[A] : [A]: ECG is a record of electrical activity of the heart that shows certain waves called PQRS and T waves. [R]: It gives important information concerning the spread of excitation to the different parts of heart and helps in diagnosis of heart disor- ders.

State about the evolution of heart of vertebrate. What is vestigial organ ? [3+2]

Name the valves in the human heart and state their locations.

State the difference between pili and fimbriae.

State two difference of meiosis and mitosis