What are deficiency diseases?

What is deficiency disease of proteins in our body?

Which one of the following is a protein deficiency disease?

(a) A 1-3 years old child is underweight, has stunted growth, poor brain development, loss of appetite anaemia, protruding belly, slender legs and bulging eyes. What type of deficiency disease is he suffering from? (b) A person is suffering from bacterial growth in eyes, thickening, keratinization and ulceration of cornea. What type of deficiency disease is he suffering from?

The protein deficiency disease is known as

Which of the following is a protein deficient disease?

Name the deficiency disease caused due to deficiency of vitamin A

Osteomalacia is a deficiency disease of