Does `log_(2)0` exist ? Give reason .

Prove log_(b) 1=0

Is pressure a scalar or a vector ? Give reason.

Does self incompatibility impose any restrictions on autogamy ? Give reason and suggest the method of pollination in such plants

Which of the following relations are functions? Give reason {(2,0), (4,8), (2,1), (3,6)}

If A =Ø and B=Ø then does A and B are mutually exclusive. Give reason of your dedication.