This option is correct as both statements (b) and (c) are correct.

Coconut is a rich source of fats. Oranges, lemons and green vegetables are a rich source of vitamin C.

Carbohydrates are the main source of energy in our body.

Fats are rich in energy and are thus, called the energy bank of the foods.

Pulses are a rich source of plant protein and milk is a rich source of animal protein.

This is the correct option. These contain fibres and roughage that is good for preventing constipation.

Deficiency of vitamin C causes scurvy.

Vitamin C is a water soluble vitamin.

By adding a few drops of iodine solution to a potato we can test the presence of starch in it. Blue-black colour indicates the presence of starch in it.

Iodine is required for proper working of thyroid. Rich sources of iodine are vegetables, mineral water and iodised salt.

Roughages are the indigestible materials in our food. They aid in the digestion of food.

This statement is incorrect. Roughage contains fibre.

This is the correct answer. PEM or Protein Energy Malnutrition causes the diseases kwashiorkor and marasumas.

It is caused by excessive fat intake and overnutrition.

This is the correct matching.  Milk, meat and eggs are good sources of phosphorus. Vegetables, mineral water and iodised salt are good sources of iodine. Green leafy vegetables and fish liver are good sources of iron.