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Class 5 The Mystery of Food worksheet
CBSE Science. Microbes and spoilage, preserving food, fermentation, seasonal foods, teeth and healthy eating. Every sheet has 20 questions in three sections and an answer key, and the numbers change every time.
Sample questions
Real questions from this chapter, as the app sets them. Tap Answer to see the answer and working.
Section A · multiple choice
- 1.
Tiny living things that can only be seen with a microscope are called:
- seeds
- crystals
- insects
- microbes
Answer
(d) microbes
- 2.
Dried red chillies is mostly kept from spoiling by:
- sealing in airtight packs
- boiling and keeping it cold
- drying in the sun
- lots of sugar
Answer
(c) drying in the sun
- 3.
Which of these is made with the help of useful microbes?
- roasted corn
- fruit salad
- boiled egg
- bread
Answer
(d) bread
Section B · short answer
- 4.
What three things do microbes need to grow?
Answer
Moisture, air and warmth (a suitable temperature).
- 5.
Name the teeth: (a) the teeth that grind food (b) the flat teeth at the very front
Answer
(a) molars (b) incisors
Section C · long answer
- 6.
Explain why food spoils, and four ways to stop it.
Answer
Microbes grow on food when they get moisture, air and warmth, and make it smell and go bad. We stop them by drying (removing moisture), salting or adding sugar, covering with oil (keeping out air) and keeping food cold in a fridge.
Fresh sheets for your child
In the app, every The Mystery of Food sheet is new: the app remembers the questions your child has already had and leaves them out. Print the sheet as a PDF, or use notebook mode and write the answers in a notebook.
Coming soon for Android and iPhone.