Q1: Choose the correct option for each question.
(i) What causes the coloured patches on Disha's uttapam?
(a) Dust
(b) Mould
(c) Oil
(d) Sugar
(ii) Which method keeps air away from pickles?
(a) Drying
(b) Pickling
(c) Eating
(d) Freezing
(iii) What is the role of microbes in food?
(a) Spoiling food
(b) Making food rise
(c) Preparing food
(d) All of the above
(iv) Which fruit did Disha's father bring home?
(a) Mango
(b) Lychee
(c) Banana
(d) Apple
(v) What does refrigeration do to microbes?
(a) It speeds them up
(b) It kills them
(c) It slows them down
(d) It has no effect
Q2: Fill in the blanks with the correct words from the chapter.
(i) Microbes can be found in __________, water, air, and inside us.
(ii) Drying food removes __________ from it.
(iii) Good microbes help the idli batter __________.
(iv) Eating bad food can cause __________.
(v) Seasonal fruits taste better when they are __________.
Q3: State whether the following statements are True or False. Correct the false statements.
(i) Microbes are only found in soil and water.
(ii) Oil prevents air from reaching pickles.
(iii) Refrigeration is not useful for preserving food.
(iv) Chewing food properly releases saliva.
(v) Eating quickly is safe and doesn't lead to choking.
Q4: Match the items in Column A with the correct descriptions in Column B.

Q5: Answer the following questions in 2-3 sentences each.
(i) What causes food to spoil?
(ii) How can we stop food from spoiling?
(iii) Why is it important to chew our food well?
(iv) What should we do to keep our teeth healthy?
(v) What are some foods that help with digestion?
Q6: Answer the following questions in 4-6 sentences each. Use examples from the chapter to support your answers.
(i) Explain how microbes affect our food. Describe both harmful and helpful effects.
(ii) Describe four methods of food preservation and how they work.
(iii) Why is proper chewing important? Explain the role of different teeth and saliva.
(iv) What would happen without food preservation methods? Discuss the problems.
You can find Worksheet Solutions here: Worksheet Solutions: Mystery of Food
| 1. What does "food mystery" mean and why do we need to understand where our food comes from? | ![]() |
| 2. How can I identify which foods are healthy and which are unhealthy in my daily diet? | ![]() |
| 3. What are the main food groups and why does each group matter for our body? | ![]() |
| 4. Why do some foods spoil quickly while others last longer, and how does this connect to food safety? | ![]() |
| 5. How does farming and where our vegetables grow affect the food we eat every day? | ![]() |