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Subjective Questions

Core Concepts and Application

The Mystery of Food · Class 5 The World Around Us

Practise 10 short and long answer questions on Core Concepts and Application from The Mystery of Food. Try writing your own answer first, then tap the question to compare it with the model answer and read the explanation behind it.

1 Who is the detective in The Mystery of Food? 1 mark
Model answer

Disha is the detective who explores how food spoils and why some foods last longer than others.

Explanation

The chapter follows Disha as she investigates food and food preservation.

2 What are microbes, and how can they affect food? 2 marks
Model answer

Microbes are tiny living organisms. Some can cause food to spoil, while some are useful and play positive roles.

Explanation

The chapter explains both food spoilage and the role of good microbes.

3 What is food preservation? 2 marks
Model answer

Food preservation means using methods that help food remain safe and last longer instead of spoiling quickly.

Explanation

The chapter explores traditional and other ways of preserving food.

4 Why is proper food storage important? 2 marks
Model answer

Proper storage helps protect food from conditions that can cause it to spoil. It supports food safety and helps people avoid eating spoiled food.

Explanation

The chapter links safe storage and consumption with health and hygiene.

5 Explain why all microbes should not be considered harmful. 3 marks
Model answer

Some microbes can spoil food, but others are useful. The chapter highlights good microbes, so it is important to understand that microbes can have different effects.

Explanation

The source explicitly covers the role of good microbes as well as food spoilage.

6 How can traditional food-preservation practices be connected to culture? 3 marks
Model answer

Families and communities may pass preservation methods from one generation to another. These practices reflect local food habits and cultural knowledge while helping food last longer.

Explanation

The chapter connects traditional Indian preservation methods with cultural significance.

7 A family finds that food spoils quickly in hot weather. What careful habits could help them? 3 marks
Model answer

The family should store food properly, keep food-handling areas clean and avoid consuming food that appears spoiled. They can follow safe preservation practices suited to the food they are keeping.

Explanation

The chapter stresses proper storage, preservation, health and hygiene.

8 Why is food hygiene important even when food looks normal? 3 marks
Model answer

Food safety depends on more than appearance. Clean handling and proper storage help reduce the risk of consuming unsafe food and support good health.

Explanation

This applies the chapter’s focus on food safety and hygiene.

9 A student says, “All microbes are bad, so we should get rid of every microbe.” Explain why this statement is incorrect. 4 marks
Model answer

The statement is incorrect because the chapter describes both harmful microbes that spoil food and good microbes that are useful. We should understand their different roles rather than assume that every microbe is harmful.

Explanation

The chapter explicitly teaches that good microbes also matter.

10 Describe how Disha’s investigation of food can help a household reduce waste and protect health. 4 marks
Model answer

By understanding why food spoils, a household can store food carefully, use suitable preservation methods and pay attention to hygiene. It can also avoid eating food that has spoiled. These habits help food remain safe and reduce avoidable waste.

Explanation

The chapter links food preservation, storage, consumption and health.