Is phenylketonuria related to albinism? Give reason for your answer.

Is zero a rational numbers ? Give reasons for you answer .

Will ultrasonic waves how any polarization? Give reason for your answer.

Can RNA be amplified by PCR? Give reason for your answer.

Gene therapy is an attempt to correct a Genetic defect by providing a normal gene into the individual. By this the function can be restored. An alternate method would be to provide gene product known as enzyme replacement therapy, which would also restore the function. Which in your opinion is a better option? Give reasons for your answer.

A 10 year old child is suffering from chicken pox. Is this infection good or bad? Give reason for your answer.

In different food chains of different ecosystem the placement of man is not metioned you give placement in a suitable food chain and give reason for your answer.

State whether the following statements are true or false. Give reasons for your answers. The sum of the interior anlges of a quadrilateral is 350^(@)