Digestion treasure hunt
Explore the human digestive system with our GPS scavenger hunts. Learn through play how food is converted into energy and which organs are involved. A perfect way to bring biology to life!
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Featured this week: example questions for Digestion
New example questions from the library every Monday. Updated on 5 October 2026.
Where does the food go when it comes out of your stomach?
Through your bowels
To your head
To your hands
Outwardly
What does a zebra eat?
Grass
Fish
Meat
Candy
What does good food smell like?
Good
Dirty
To nothing
Acid
What shape did you choose?
Flat and wide
Tall and thin
Round as a ball
Like a star
How many times a day do people usually eat?
Three times
One hundred times
Never
Once a week
What sound do you make when you swallow food?
Swallow
Flutes
Singing
Hits
Where is your throat?
In your neck
In your foot
In your arm
On your head
What helps an elephant eat?
His trunk
His ears
His tail
His legs
Where in your body are the good substances from food absorbed?
In your gut
In your hair
In your nails
In your eyes
What is bile good for?
To digest fat
To make water
To breathe
To hear
What helps against constipated tummy?
Drink and exercise a lot
Watching a lot of TV
Eating a lot of sweets
Sleeping a lot
What feeling do you get when you have eaten too much?
You feel very full
You get more hungry
You become cheerful
You will run faster
What do you create in your mouth when you eat?
Saliva
Milk
Water
Juice
Where does the food go after your stomach?
To your gut
To your head
To your arms
To your legs
What is the best thing to eat when you are sick?
Light things like soup
Lots of sweets
Very spicy food
Nothing at all
Which food gives a lot of gas?
Beans
Ice cream
Candy
Water
What happens to sugar in your mouth?
Bacteria turn it into acid
It is immediately saved
It gets bigger
It disappears by itself
What colour is bile?
Yellow-green
Red
Blue
Purple
What is the name of the tube that carries food from your mouth to your stomach?
Esophagus
Trachea
Small intestine
Large intestine
What is the function of choosing?
Crushing food
Biting off food
Storing food
Spitting out food
Approximately how long does food stay in your stomach?
2 to 4 hours
10 minutes
1 day
1 week
Where is the largest amount of bacteria in your body?
In your gut
In your hair
In your eyes
In your toes
What happens when you chew too little?
Your stomach has to work harder
You become stronger
Your teeth are falling out
You get blue teeth
Why is it important to chew properly?
Your stomach then has less work to do
Food gets heavier
Your teeth get bigger
You get full faster
What happens when you eat too fast?
You disrupt the natural digestive process
Food is better digested
You get more energy
Nothing special happens
What is the approximate pH of your stomach acid?
1-2 (very acidic)
4-5 (moderately acidic)
7 (neutral)
8-9 (basic)
Which organ can best regenerate (repair itself)?
Liver
Stomach
Pancreas
Gallbladder
What is produced when you think of good food?
More saliva
Less saliva
More bile
Less heartburn
Approximately how long does it take for food to go all the way through your body?
1 to 3 days
2 to 4 hours
1 to 2 weeks
30 minutes to 1 hour
What substance in your stomach kills bacteria in food?
Stomach Acid
Saliva
Gal
Bowel juice
On average, how many litres of saliva does an adult human produce per day?
1.5 litres
0.5 litres
3 litres
5 litres
How many litres of blood flow through your liver every minute?
1.5 litres
0.5 litres
3 litres
5 litres
Which muscle prevents food from flowing back from stomach to oesophagus?
Lower oesophageal sphincter
Upper oesophageal sphincter
Pylorus
Anal sphincter
Where is insulin produced?
Islets of Langerhans
Liver
Stomach
Small intestine
Which part of the nervous system primarily regulates digestion?
Parasympathetic
Sympathicus
Central nervous system
Motor nerves
Where is vitamin B12 absorbed?
Terminal ileum
Duodenum
Jejunum
Stomach
Which enzyme breaks down lactose?
Lactase
Maltase
Sucrase
Amylase
What bacteria can cause stomach ulcers?
Helicobacter pylori
Escherichia coli
Salmonella
Streptococcus
Where are fatty acids and glycerol mainly absorbed?
Lymphatic vessels
Blood vessels
Bile duct
Pancreatic duct
Which reflex prevents you from breathing while swallowing?
Epiglottis closes
Tongue moves up
Jaws clench shut
Close nostrils
Which movement helps transport food through the oesophagus to the stomach?
Peristalsis
Segmentation
Pendulum movement
Haustral motion
Which part of the small intestine is the longest?
Ileum
Duodenum
Jejunum
Cecum
How much stomach acid does a healthy stomach produce per day?
2-3 litres
0.5-1 litre
4-5 litres
6-7 litres
Which bacteria in the colon produce vitamin K?
Escherichia coli
Helicobacter pylori
Streptococcus mutans
Clostridium botulinum
Which nutrient can be absorbed directly by the stomach wall?
Alcohol
Glucose
Amino acids
Fatty acids
Which cells in the pancreas produce insulin?
Beta cells in the islets of Langerhans
Alpha cells in the islets of Langerhans
Acinus cells
Ductus cells
How many litres of saliva does an average adult produce per day?
1-1.5 litres
0.2-0.5 litres
2-3 litres
4-5 litres
Which cell fragments help blood clotting and are also affected by vitamin K?
Platelets
Red blood cells
White blood cells
Plasma cells
What form of transport is used for glucose absorption in the gut?
Active transport linked to sodium
Passive diffusion
Facilitated diffusion
Endocytosis
Which substance activates pepsinogen to the active enzyme pepsin?
Hydrochloric acid (HCl)
Bicarbonate
Gastrin
Intrinsic factor
What is the function of gastrin?
Stimulation of gastric acid production
Inhibition of bowel movements
Stimulation of bile production
Activation of pancreatic enzymes
Which hormone inhibits stomach acid production?
Somatostatin
Gastrin
Secretine
Cholecystokinin
Which enzyme breaks down nucleic acids into nucleotides?
Nuclease
Peptidase
Lipase
Amylase
Which nerve stimulates the production of saliva?
Nervus facialis and glossopharyngeus
Nervus vagus
Nervous trigeminal nerve
Nervus hypoglossus
What is the optimal pH for the action of pancreatic amylase?
8-8.5
1.5-2
6-7
4-5
Which structures increase the surface area of the small intestine the most?
Microvilli
Folds of Kerckring
Small intestines
Peyer's patches
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Frequently asked questions
A Digestion scavenger hunt is a GPS-guided outdoor activity with quiz questions about Digestion, part of the theme Biology. You walk a route past various locations and answer fun questions along the way.
There are 1968 questions available about Digestion: 1968 multiple choice questions, 0 open questions and 0 assignments. The category Biology has more than 34844 questions in total.
There are Digestion questions for all ages: from 3-5 years (toddlers) to 20+ (adults). The questions are automatically adapted to the chosen level.
Go to oppatt.io, create a free account, choose the theme Biology and select Digestion as the topic. Choose an age category and location, and you'll have a complete scavenger hunt within a minute.