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WorksheetsFood Spoilage
Total questions: 30
Worksheet time: 17mins
Food can be spoil. How can you determine the food was spoiled?
when the food was in the garbage bin
Have bad smell ,the color and the texture changed
have dark color and moist
when the food stored in the fridge more than 1 week.
Which one factor can you see on the spoiled bread?
mold on the surface of the bread
sour taste
the color turned to greenish
smell like fish
Why does food spoiled?
It past its expire date
The food made from organic matter
The food eaten by ant
The growth od microorganism on the food
The picture showed a spoiled bread. What type of microorganism cause the bread to spoiled?
Bacteria
Virus
Protozoa
Fungi
Which microorganism can make the milk spoil?
Fungi
Protozoa
Bacteria
Virus
Microorganism can growth in suitable condition such as...
(can be more than one answer)
warm
flown air
moist
suitable acidic
Why did some of food in the fridge delayed its food spoilage?
There air no air in the fridge
Microorganism can live in cold temperature
The temperature is not suitable for microorganism growth
Microorganism will die in the fridge
Ramli bought a fried rice and decided to have the meal on the next day. He put the food on the table. On the next day, the food was smelly and the rice's texture changed. Give an inference based on the observation on the food.
Ramli did not put the food in the fridge
The microorganism growth and reproduce on the food
The food was not cooked well
The food is not healthy
How can we prevent food wasting?
We should buy more fast-food, we don't have to prepare it at home.
We can eat more spicy food, it is so delicious!
We mustn't throw away food which can be reused.
We should eat in restaurants, so not to throw away food at home.
What can we do with leftovers after lunch?
We can reuse them in another dish.
We can put it to cupboard for another few days until we want to eat it again.
We can give them to kids to play with and have fun.
We should throw them away because everyone is full after meal.
What kind of food do we waste the most?
Fruit, vegetables
Sweets
Dairy products
Herbs and spices
Pasteurization is important when:
main spoilage microbes are not very heat resistant
water used should not be contaminated with spoilage and pathogenic organisms.
introducing as few spoilage organisms as possible.
Low temperature reduces the
activity of microorganisms by reducing the chemical reaction and action of enzymes.
cheapest form of radiation for food preservation.
concentrations of an antibiotic, thus resistant strains finally develop.
hazard is reported and possible control measures are identified.
What does the ‘best before’ date label mean?
You must throw the food out after the date
You must eat the food on that date
It's illegal to eat the food after that date
The food is safe to eat after its best before date but may not be at its best
How does freezing work to preserve food?
Provides an acidic environment.
Removes oxygen exposure.
Removes water content.
Removes water content by freezing water particles.
How does adding sugar work to preserve food?
Water content is decreased.
Removes oxygen exposure.
Provides an acidic environment.
Freezes the water content in food.
Which food preservation technique works by providing an acidic environment?
Adding Sugar.
Sun-Drying.
Adding Lactic Acid.
Pickling.
What food preservation technique has been used here?
Pickling.
Adding Salt.
Adding Lactic Acid.
Adding Sugar.
What food preservation technique has been used here?
Pickling.
Adding Sugar.
Freezing.
Dehydrating.
What food preservation technique has been used here?
Adding Sugar.
Freezing.
Dehydrating.
Vacuum Sealing.
What food preservation technique has been used here?
Freezing.
Dehydrating.
Adding Sugar.
Vacuum Sealing.
Select a food preservative from the following
Sodium Benzoate
Streptomycin
Chloromycetin
All the above
Process of preservation of milk
Fermentation
Pasteurisation
Salting
Dehydration
Jams, jellies and squashes are examples of
Preservation by Sugar
Preservation by Canning
Preservation by dehydration
Preservation by vinegar
Most microbes cannot grow and multiply when the
conditions are dry
temperature is low
temperature is very high
All the above
Not a food preservative
Vinegar
Butter
Sugar
Mustard oil
What method of food preservation is used in the picture?
Salting
Drying
Freezing
Pickling
The main reason for preserving food is to :
Improve its colour and taste
Increase its shelf life
Make costly food available
Change its texture
Food spoilage is due to...
Micro-organisms and toxin produced
Microorganisms and excess production
Enzymes an excess production
All the above
Salt and sugar remove ____ from food
Germs
Bacteria
Water
Fungus
