Match the Following Column A Column B 1. Vitamin A a. Rickets 2. Vitamin B b. Night blindness 3. Vitamin C C. Sterility 4. Vitamin D D. Beri beri 5. Vitamin E E. Scurvy

1-b Night blindness is caused due to the deficiency of vitamin A in our diet. People with night blindness experience a poor vision at night. 2-d Deficiency of vitamin B causes beriberi. Nervous weakness and fatigue are the symptoms of beriberi. 3-e Deficiency of vitamin C causes scurvy. Swollen, spongy and bleeding gums are observed in this type of disease. 4-a Deficiency of vitamin D causes rickets. Weak and flexible bones are the symptoms of rickets. Ricket is generally seen in children and we find them having bowed legs, knock knees, deformed skull, etc. 5-c Deficiency of vitamin E causes sterility. People who are suffering from sterility are not able to reproduce. Column A Column B 1. Vitamin A b. Night blindness 2. Vitamin B d. Beri beri 3. Vitamin C e. Scurvy 4. Vitamin D a. Rickets 5. Vitamin E c. Sterility

The chemical constituents present in our food are called nutrients. The nutrients are essential for our body as they provide energy, helps in growth and protects us from various diseases. The nutrients that are required in large quantities are carbohydrates, proteins and fats and they are called macro-nutrients. Vitamins and minerals are called micronutrients as they are required by the body in less amount. Water also plays a very important role in our diet as it is involved in many biochemical reactions.