The Mystery of Food
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Food in Our Body: Chewing and Digestion
SubtopicFood in Our Body: Chewing and Digestion under The Mystery of Food for Grade 5 CBSE.
Preview questions (no answers)
- 1.
The first set of teeth in a human's life are also called:
A.Temporary teeth
B.Permanent teeth
C.Fixed teeth
D.Iron teeth
- 2.
What is the function of the stomach walls?
A.To produce teeth
B.To churn the food with digestive juices
C.To breathe
D.To filter blood
- 3.
Bitter taste is mostly sensed at the ________ of the tongue.
A.Front
B.Sides
C.Back
D.Tip
- 4.
Which of these is a healthy eating habit?
A.Eating very fast
B.Eating while running
C.Chewing food thoroughly
D.Skipping breakfast every day
- 5.
In the provided diagram showing the pathway in the throat, Tube 1 is the food pipe (esophagus) that carries food to the stomach. What is the name of Tube 2, which food might accidentally enter if we talk or laugh while eating, causing us to choke?
A.Liver
B.Windpipe
C.Small Intestine
D.Large Intestine
- 6.
What part of the tooth attaches it to the jawbone?
A.Crown
B.Enamel
C.Root
D.Pulp
- 7.
What is the primary reason why doctors suggest eating balanced meals?
A.To make the food look colorful
B.To get all types of nutrients for growth and energy
C.To make the stomach smaller
D.To reduce the number of teeth we use
- 8.
Which organ converts the excess glucose in our blood into glycogen for storage?
A.Pancreas
B.Liver
C.Stomach
D.Small Intestine
- 9.
What would happen if the small intestine had no villi?
A.Digestion would happen much faster
B.Absorption of nutrients would be extremely slow and inefficient
C.The person would gain weight rapidly
D.The large intestine would take over the job of digestion
- 10.
Which nutrient starts being chemically digested first in the human body?
A.Proteins
B.Fats
C.Carbohydrates
D.Vitamins
Download the worksheet for The Mystery of Food - Food in Our Body: Chewing and Digestion to practice offline. It includes additional chapter-level practice questions.
Microbes: Useful and Harmful
SubtopicMicrobes: Useful and Harmful under The Mystery of Food for Grade 5 CBSE.
Preview questions (no answers)
- 1.
Which of the following is a common symptom of food poisoning?
A.Good energy
B.Better eyesight
C.Stomach ache and vomiting
D.Stronger muscles
- 2.
Bacteria are found:
A.Only in water
B.Only in soil
C.Only in air
D.Almost everywhere
- 3.
Which organism is NOT a microbe?
A.Bacteria
B.Virus
C.Earthworm
D.Amoeba
- 4.
Which of these foods is usually preserved by adding a lot of sugar?
A.Meat
B.Jelly
C.Butter
D.Eggs
- 5.
Microorganisms are grouped by how they live and grow. Some microbes are plant-like because they contain chlorophyll and can produce their own food using sunlight. According to the flowchart, which group of microbes belongs in 'Category X'?
A.Viruses
B.Algae
C.Protozoa
D.Bacteria
- 6.
Why does food stay fresh in a vacuum-packed bag?
A.Because it is very cold inside
B.Because the absence of air (oxygen) prevents microbe growth
C.Because it contains a lot of water
D.Because the bag is made of special metal
- 7.
Mushrooms are a type of fungus. Are all mushrooms safe to eat?
A.Yes, all are safe
B.No, some are highly poisonous
C.Only those that grow on wood are safe
D.Only white ones are safe
- 8.
Which of these is a preventive measure against 'Cholera', which is a water-borne disease?
A.Sleeping under a mosquito net
B.Drinking boiled or purified water and maintaining good sanitation
C.Avoiding direct sunlight
D.Eating only citrus fruits
- 9.
In the 'Nitrogen Cycle', what is the role of 'Denitrifying Bacteria'?
A.They turn nitrogen into plant food
B.They convert nitrogen compounds in the soil back into nitrogen gas for the atmosphere
C.They help the plant roots absorb water
D.They create oxygen from nitrogen
- 10.
The discovery of 'Smallpox' vaccine by Edward Jenner was based on his observation of which other disease?
A.Chickenpox
B.Cowpox
C.Rabies
D.Tuberculosis
Download the worksheet for The Mystery of Food - Microbes: Useful and Harmful to practice offline. It includes additional chapter-level practice questions.
Food Spoilage and Preservation Methods
SubtopicFood Spoilage and Preservation Methods under The Mystery of Food for Grade 5 CBSE.
Preview questions (no answers)
- 1.
Which of these will spoil first in a hot and humid room?
A.Dry rice grains
B.A bowl of cooked rice
C.A packet of biscuits
D.A bottle of honey
- 2.
What should you do if you see a fungus growing on a piece of bread?
A.Eat it quickly
B.Wash it and eat it
C.Throw it away
D.Keep it for tomorrow
- 3.
Which of these is a method of preserving vegetables by keeping them in oil and salt?
A.Canning
B.Pickling
C.Boiling
D.Freezing
- 4.
In which form is salt used to preserve food?
A.Solution in water
B.Dry salt or brine
C.Melted salt
D.Gas
- 5.
A student finds a sealed packet of fruit juice in the pantry that has become swollen and 'puffy' like a balloon. Based on the spoilage process shown in the flowchart, what is the most likely reason for this change?
A.The juice has been enriched with extra vitamins by the manufacturer after packing.
B.The packet was stored in a freezer and the liquid inside turned into solid ice.
C.Microorganisms inside have produced gases as they spoiled the juice.
D.The vacuum seal is pulling more air into the packet from the outside environment.
- 6.
Which of the following is a symptom of food poisoning?
A.Increased height
B.Nausea and abdominal pain
C.Stronger muscles
D.Better hearing
- 7.
A container of jam was left open for two weeks. What is likely to grow on it?
A.Insects only
B.Mold or Yeast
C.Small plants
D.Nothing, sugar prevents all growth
- 8.
Why do we boil water before drinking it in areas where water quality is poor?
A.To make the water taste better
B.To kill any disease-causing microorganisms present
C.To add oxygen to the water
D.To remove the salt from the water
- 9.
Which of these is a traditional Indian method of preserving surplus mangoes for a long duration?
A.Making Aam Panna (fresh drink)
B.Making Aam Papad (Mamidi Tandra)
C.Keeping them in water
D.Keeping them in a closed cardboard box
- 10.
What is the primary danger of consuming food contaminated with 'Salmonella'?
A.Weight gain
B.Severe food poisoning
C.Improvement in eyesight
D.Hair growth
Download the worksheet for The Mystery of Food - Food Spoilage and Preservation Methods to practice offline. It includes additional chapter-level practice questions.
Traditional Indian Food Preservation
SubtopicTraditional Indian Food Preservation under The Mystery of Food for Grade 5 CBSE.
Preview questions (no answers)
- 1.
If we want to keep cooked green vegetables fresh for just one more day without a fridge, what is a traditional method?
A.Keeping them in a warm oven
B.Keeping the bowl in a container of cool water
C.Wrapping them in dry paper
D.Adding a lot of hot water
- 2.
What is the process of turning grapes into raisins (Kishmish) called?
A.Boiling
B.Drying
C.Freezing
D.Pickling
- 3.
What is 'Petha', the famous sweet of Agra, made from?
A.Ash Gourd and Sugar syrup
B.Potatoes and Salt
C.Mango and Chilli
D.Milk and Vinegar
- 4.
Which of these can be preserved for a long time by sun-drying?
A.Cooked Dal
B.Red Chillies
C.Vanilla Ice cream
D.Fresh Milk
- 5.
When fruits are converted into 'Jam' in an Indian kitchen, which two things help in their preservation?
A.Water and Air
B.High Sugar and Boiling
C.Salt and Cold water
D.Oil and Turmeric
- 6.
Why is honey often considered a food that never spoils?
A.It is very thin
B.It has very low moisture and high sugar content
C.It is always kept in the dark
D.Bees protect it from air
- 7.
Which of these is a traditional Indian dry snack made from rice that is preserved by drying and then frying when needed?
A.Rice Pudding
B.Rice Papad (Fryums)
C.Steamed Rice
D.Rice Khichdi
- 8.
Which of these is NOT a traditional Indian preservation technique?
A.Artificial chemical vacuum-packing
B.Sun-drying of vegetables
C.Storing in sugar syrup (Murabba)
D.Pickling in oil and salt
- 9.
In the case of 'Appalam' or 'Papad', if they are not dried properly and some moisture remains in the center, what is likely to happen?
A.Mold will grow in the moist areas even if the outside feels dry
B.The papad will turn into a potato
C.The papad will become extra crispy when fried
D.The salt will disappear from the papad
- 10.
Why do we say that 'Dry fruits' (like raisins/kishmish or dates/khajoor) are 'preserved' versions of fresh fruits?
A.Because their moisture content is so low that microorganisms cannot grow on them
B.Because they are made in a factory instead of on a tree
C.Because they are much smaller than the original fruit
D.Because they contain no sugar compared to fresh fruit
Download the worksheet for The Mystery of Food - Traditional Indian Food Preservation to practice offline. It includes additional chapter-level practice questions.