Chapter 3: Mindful Eating: A Path to a Healthy Body
Comprehensive Exercise (Made for exam preparation)
Class 6 Science
Question 1: Choose the correct option (Multiple Choice Questions):
1. What does a blue-black colour indicate when diluted iodine is added to a food item?
Answer: (C) Presence of Starch.
2. Which test is used to check the presence of fats in food?
Answer: (B) Oily patch on paper.
3. According to the ancient quote, a healthy person is one who eats food that is:
Answer: (B) Wholesome and in moderate quantities.
4. Which of the following is a good source of starch?
Answer: (B) Slice of potato.
5. Why are dietary fibres important for our body, as advised to the grandma in the chapter?
Answer: (B) They help in passing stool easily.
Question 2: Fill in the blanks with the appropriate words:
- 1. Food choices vary from one state to another in a diverse country like India.
- 2. A few drops of diluted iodine solution are used to test the presence of starch in food items.
- 3. An oily patch on a piece of paper shows that the food item contains fat.
- 4. Some nutrients like starch (a type of carbohydrate) and fat can be detected using simple tests.
- 5. Water is not only essential for our body but is also good for our planet.
Question 3: State whether the following statements are True or False:
- 1. We eat the exact same kind of food in every meal.
Answer: False. - 2. Crushed peanuts will leave an oily patch on a piece of paper.
Answer: True. - 3. Starch is a type of carbohydrate.
Answer: True. - 4. A slice of potato will not change its colour when iodine solution is added.
Answer: False. - 5. To stay healthy, one must eat food appropriate for the season, time, and place.
Answer: True.
Question 4: Match the items in Column 'A' with the correct items in Column 'B':
| Column 'A' | Column 'B' |
|---|---|
| 1. Diluted Iodine Solution | (a) Helps in passing stool |
| 2. Oily Patch on Paper | (b) Contains Fats |
| 3. Slice of Potato | (c) Used to test Starch |
| 4. Dietary Fibre | (d) Contains Starch |
| 5. Butter or Oil | (e) Shows presence of Fat |
Correct Matches:
- 1 → (c) Used to test Starch
- 2 → (e) Shows presence of Fat
- 3 → (d) Contains Starch
- 4 → (a) Helps in passing stool
- 5 → (b) Contains Fats
Question 5: Classification. Classify the following 5 food items into "Items containing Starch" and "Items containing Fats":
Items: 1. Slice of potato, 2. Crushed peanuts, 3. Boiled rice, 4. Butter, 5. Oil.
- Items containing Starch: 1. Slice of potato, 3. Boiled rice.
- Items containing Fats: 2. Crushed peanuts, 4. Butter, 5. Oil.
Question 6: Answer the following questions in one sentence:
1. What does an oily patch on a paper held against light indicate?
Answer: An oily patch on the paper shows that the food item contains fat.
2. What is the colour change when iodine solution is added to a starch-rich food?
Answer: The food item turns blue-black in colour, indicating the presence of starch.
3. Why did the doctor advise the boy's grandma to eat food high in fibre?
Answer: The doctor advised her to eat fibre-rich food because she had difficulty in passing stool.
4. What are some food items we can use to test for starch?
Answer: We can use items like a slice of potato, cucumber, bread, or boiled rice to test for starch.
5. What is the main message of the verse "annena jātāni jīvanti"?
Answer: It reminds us that food is an essential component of our daily life and is necessary for living beings.
Question 7: Give scientific reasons:
1. Reason: A slice of potato turns blue-black when iodine is dropped on it.
Answer: Because a potato contains starch, and starch reacts with diluted iodine solution to produce a blue-black colour.
2. Reason: We wrap crushed peanuts in a paper and press it.
Answer: We do this to test for fats; peanuts contain fat which transfers to the paper and leaves a translucent oily patch.
3. Reason: We should be mindful of what we eat.
Answer: Because eating wholesome food in moderate quantities, according to the season and place, helps us maintain a healthy body.
4. Reason: Dietary fibres should be a part of our daily diet.
Answer: Because dietary fibres help our body in easy digestion and prevent difficulties in passing stool.
5. Reason: If a food item contains a little water during the fat test, we allow the paper to dry first.
Answer: Because water can make the paper wet and mimic a patch; drying it ensures that the remaining patch is truly an oily patch caused by fat.
Question 8: Answer the following questions in short (2-3 sentences):
1. Describe the steps to test the presence of fats in a food item.
Answer: Take a small part of the food item, place it on a piece of paper, and press it gently without tearing the paper. If the food leaves an oily patch on the paper that faintly shines against the light, it shows the presence of fats.
2. What does a "healthy person" mean according to the Subhashita mentioned in the chapter?
Answer: According to the text, a healthy person is someone who eats food that is wholesome, consumed in moderate quantities, and is appropriate for the season, time, and place.
3. List four food items from the chapter that you can take on a dish to test for the presence of starch.
Answer: You can take a slice of potato, cucumber, bread, and some boiled rice to test for the presence of starch.
4. Why is grouping and testing food items important in science?
Answer: Testing helps us detect which specific nutrients, like starch or fat, are present in our everyday food. It helps us understand our diet better.
5. What do you observe when you compare your weekly food list with your friends' lists?
Answer: We observe that there is a huge variety in the food eaten by us. We find both similarities and differences, showing the diversity of food choices across different people and regions.