White of an egg turns violet when two drops of copper sulphate and ten drops of caustic soda is added to it. This indicates the presence of

Chemical substances needed by our body are called:

Banana is a source of:

Which of the following is not a nutrient?

Which of the following contain zero value calories?

Deficiency of Vitamin C causes a disease known as:

A person whose diet is deficient proteins may have:

The Vitamin lost by heating is:

Which of the following set of minerals are required by human body ?

Mohan has a cup of rice, two chappaties, two vegetable curries and ghee in his plate of meals. What is missing in his meals ?