Food Preservation

Q.

Why are filter feeders important in aquatic ecosystems?

Q.

Chemical preservatives like benzoic acid and sodium benzoate are commonly used to preserve milk.

1. True
2. False

Q. To prevent milk from spoiling, it is boiled.

1. True
2. False

Q. Which of the following ingredients added to a dish called mamidi tandra is a preservative?

1. Mangoes and Jaggery
2. Sugar and Jaggery
3. Chilli and Jaggery
4. Mangoes and Sugar

Q. Which of the following food preservation methods remove water from the food item?

1. Sugar
2. Vinegar

3. Spices

4. Oil

Q. Acts that keep oneself clean is known as 'Hygiene'.

1. True
2. False

Q. How does aam papad help in the preservation of mangoes?

Q. Rice flour is adulterated by adding ______.

1. water
2. chalk powder
3. stones
4. sugar

Q.

Pyramids of Giza have ___ preserved in jars from 3000 years ago, which is still edible.

Q.

Ramesh bought some food items from the market and kept it on the table for a few days. He noticed that a food item got spoiled.

Identify the food item that Ramesh bought.

1. Onion
2. Pulses
3. Milk
4. Potato

Q.

Give two examples for each of the following substances - food preservatives

Q.

Which of the following is an adulterant used in milk?

1. Starch

2. Red dye

3. Salt

4. Lime water

Q. Which of the following can be eaten raw?

1. Cucumber
2. Tomato
3. Carrot
4. Potato

Q. Which of the following food items contain preservative that can harm us?

1. Chips
2. Pizza
3. All of the above
4. Soda

Q. How does adding kerosene in stagnant water help in preventing malaria?​

Q. Excess use of preservatives in food items can harm us.

1. True
2. False

Q.

Why is excess intake of table salt i.e. common salt harmful?

Q. A person bought a loaf of bread. He realised that it was spoilt even before opening it. Which among the following reasons helped him realise it?

1. Change in colour
2. Change in taste
3. Change in odour
4. Change in temperature

Q. Identify the factors that will help one to determine if the meat is unfit for consumption.

1. Meat appears to be firm
2. Slimy layer on the meat
3. Meat appears to be juicy
4. Brown patches on the meat

Q.

Define the following term:

Preservatives.

Q.

Germs do not enter our body when we consume unwashed or undercooked food.

1. False

2. True

Q.

Give two examples.

Chemicals used as food preservatives

Q.

Mention a few examples of food preservatives.

Q. Choose the word which best expresses the meaning of the given word/phrase:

1. Wild
2. Hungry
3. Angry
4. Quick

Q. Which of the following is/are not considered as a balanced diet for adolescence?

1. Aerated drinks
2. Pulses
3. Alcohol
4. Both B and C