Camel is a desert animal, that can live without water for many days, because

Yeast is an important source of

Which one of the following vitamins is essential for coagulation of blood?

Deficiency of which one of the following causes xeroph thalmia

Deficiency of which vitamin results in inflammation of skin and eczema along with diarrhoea?

Polio disease is caused by?

DNA is stored majorly in ___ of the cell.

About 70% of the Sun is made up of ____.