Assertion :- Usually facilitated diffusion is carried out of those substances in which hydrophilic moiety is present
Reason:- Lipoidal nature of plasma membrane creates difficulty in passing of those substances in which hydrophilic moiety is present.

Those substances which can carry or conduct electric charge from one point to another is called

Read the following statements and choose the correct ones-- (A) Diffusion is a slow process and is dependent on a living system. (B) Diffusion of substances with hydrophilic moiety is facilitated by membrane proteins. (C) Facilitated diffusion causes net transport of molecules from a low to a high concentration. (D) Saturations may be achieved in both facilitated diffusion as well as active transport .

A substance which is not present in nature but added to atmoshphere due to human activity and causes adverse effect on environment is called

A substance which is not present in nature but added lo atmoshphere due to human activity and causes adverse effect on environment is called