What is dicliny?

What is funicle? What is hilum?

To avoid self-pollination and provide contrivance for cross pollination, the pollen grains of some flowers have no fertilizing effect on the stigma of the same flower but causes death. What is this condition called? (A) Homogamy (B) Dicliny (C) Self sterility (D) dichogamy

What is Penicillin? What is it used for?

What is RuBisCO? What is function?

What is matter? what is diffusion?

What is periodicity? What is the cause for it?

What is viscosity ? What is the cause of it ?

What is music and what is noise?