The organ which stores carbohydrates as glycogen in the human body is 

Hemoglobin is an important constituent of 

Blood pressure is the pressure exerted by blood on the walls of 

Which one of the Endocrine glands are known as master gland? 

The most abundant element in the human body is 

In electric supply lines in India, which parameter is kept constant? 

The primary colours in photography are –

Acid rain is mainly a mixture of—