Question

Roughage has no nutritive value, yet it is needed by our body. Justify. [1 mark]

Answer 1

• Roughage, also known as dietary fibres are found in vegetables and fruits.They cannot be digested and does not add any nutritional value in our diet. (0.5 marks)
• They help in the removal of undigested food and thus, helps to maintain a healthy digestive system. (0.5 marks)