5 Food Safety Exercise Question 1 and 2 7th General Science easy Answer Maharasht state board Part 1 1. Complete the following statements by using the correct option from those given below. (Irradiation, dehydration, pasteurization, natural, chemical) (a) Drying the food grains from farms under the hot sun is called .......... . (b) Materials like milk are instantly cooled after heating up to a certain high temperature. This method of food preservation is called ............ . (c) Salt is a .................. type of food preservative. (d) Vinegar is a .................. type of food preservative. In 1954, Parliament passed the Prevention of Food Adulteration Act. It has been amended from time to time and the amendment of 1976, provides for ‘life imprisonment’ for the person involved in adulterating food with a harmful substance. There are clear directions that food should be properly stored, packing material should not endanger the food or medicines and there should clear and legible information on it about the manufacturing date, expiry date, and instructions for storage. 1. Some chemicals are injected into fruits to make them more attractive and tasty. 2. Milk vendors add urea to the milk so that it appears to have higher fat content. 3. Shopkeepers change the ‘Expiry date’ of the food packets and air tight containers to avoid a financial loss. 4. Calcium carbide and some other chemicals are used to make fruits look more attractive, e.g., bright yellow bananas. 5. Frequently, harmful chemicals like carbonated soda, phosphoric acid, etc. are mixed with cold drinks. Exercise Do you know? Always remember - 2. Answer the following questions in your own words. (a) How is milk pasteurized? (b) Why should we not consume adulterated food materials ? (c) What precautions do your parents take to keep foodstuffs safe ? (d) How does food spoilage occur ? Which are the various factors spoiling the food? (e) Which methods of food preservation would you use ? 3. What shall we do? (a) There are vendors selling uncovered sweetmeats in open places in the market. (b) A ‘pani-puriwalla’ is serving the pani puri with dirty hands. (c) We have purchased a large quantity of fruits and vegetables. (d) We need to protect foodstuffs from pests like rats, cockroaches, wall- -lizards, etc. 4. Find the odd-man-out. (a) salt, vinegar, citric acid, sodium benzoate (b) lakhi dal, brick dust, metanyl yellow, turmeric powder (c) banana, apple, guava, almond (d) storing, freezing, settling, drying 5. Complete the chart below. S.No. Foodstuff Adulterant 1. ----- Metanyl yellow 2. Black pepper ----- 3. ----- Iron filings 4. Honey 6. Explain why this happens and suggest possible remedies. (a) Qualitative wastage of food. (b) The cooked rice is underdone. (c) The wheat that was bought is a bit moist. (d) The taste of yoghurt is too sour/slightly bitter. (e) Cut fruits have turned black. 7. Give reasons. 1. Food remains safe at 5o Celsius. 2. Nowadays, food is served buffet style during large gatherings.