6. Food and digestion std -4
Science std 4 6. Food and digestion Time to answer Fill in the blanks. 1. Substances found in food which keep our body healthy are known as Nutrients 2. The fibre present in our food is known as Roughage. 3 . calcium help in the formation of teeth and bones. 4. Vitamin. D is made in our body with the help of sunlight. Write true or false 1. Chew food well before swallowing. (T) 2.Always eat fried food, sweets and icecream. (F) 3.Avoid eating green vegetables and fruits (F) 4. One should not overeat. (T) Let us practise 1.Multiple choice questions (MCQs) Tick(√) the correct option. a. Which of the following statements is not true in the context of saliva? Ans. It does not help in digestion. b. Which of the following is a boy building food? Ans. 4.both 1&2 c. Which of the folly digestive system components is the longest? Ans. 1.small intestine d. Ibesity leads to many dise...