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Question

a) What are deficiency diseases?
b) List the disorders caused due to deficiency of proteins, carbohydrates and fats.

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Solution

a) Nutrients provide us energy. They help in growth and repair of our body. If these nutrients are not taken in optimum quantities for a longer time it leads to deficiencies. Diseases that occur due to deficiency of nutrients are known as deficiency diseases. (1.5 marks)

b)
  • Deficiency of protein: Stunted growth, discolouration of hair and diarrhoea. (0.5 marks)
  • Deficiency of carbohydrates: Weak body and low energy. (0.5 marks)
  • Deficiency of fats: Weak body, increase in hair fall and dry skin. (0.5 marks)

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