How many calories are gained by drinking a glass of water ?

The food that gives more calories per unit mass of food is

Which of the following vitamins are water soluble ?

Kwashiorkor, a form of malnutrition, is caused by deficiency of which of the following?

Some vitamins are fat soluble while others are water soluble. Which of the following are water soluble :

Organisms capable of using CO₂ as principal carbon source are called :