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Micro-organisms treasure hunt

Discover the hidden world of micro-organisms with a unique GPS scavenger hunt that reveals the invisible heroes and enemies of our ecosystem. Learn how bacteria, viruses and fungi affect our daily lives as you explore interesting locations and discover fascinating scientific facts.

Step 1 of 3 Free, so it costs you nothing! Really!

Next you pick the location(s) and select questions, your own or ours. 194.498 questions to choose from.

Made 2 days ago: Enkhuizen city walk in Enkhuizen

Micro-organisms treasure hunt - GPS treasure hunt Biology

Available biology treasure hunts (1)

Start location

Fun in het Noorderplantsoen

Groningen, Groningen, Netherlands
Doe deze speurtocht en ontdek het Noorderplantsoen in Groningen. Succes!
Biologie 18+ year
35 min 1,0 km 11 2

Featured this week: example questions for Micro-organisms

New example questions from the library every Monday. Updated on 12 October 2026.

How do some mikrobs move?
They swim with tiny tails They walk with legs They fly with wings They jump like frogs
What do mikrobs do when they can't find food?
They die or sleep They will sing They get bigger They change colour
What do hospitals use to clean everything?
Strong cleaning agents Ordinary water Perfume Paint
What colour does bread get when bad mikrobs grow on it?
Green and white Pink Blue Yellow
What happens when microorganisms lack food?
They die They get bigger They turn red They go dancing
How do some microorganisms move?
With little tails With big wings With four legs With wheels
How do you look at microorganisms?
With a microscope With your naked eyes With a magnifying glass With a telescope
How big are micro-organisms?
Smaller than a pinprick As big as a ball As big as a dog As big as a house
Create a micro-organisms treasure hunt for Ages 3-4
Which micro-organisms help make bread?
Yeast Small ants Baby frogs Mini butterflies
What micro-organisms do you help flush away when brushing your teeth?
Cavity-making bacteria Good bacteria that help Small teeth White mice
What do you smell when yeast works in bread dough?
A sweet smell Nothing Flowers Fish
How fast can bacteria grow?
Very fast Very slow Only at night Sunday only
What do good bacteria do for your body?
They keep you healthy They make you bigger They make you faster They make you smarter
What do bacteria like to eat?
Sugar Stone Plastic Metal
What happens when you put alcohol on a wound?
Bacteria die Your wound gets bigger Your wound turns blue Flowers grow
What do doctors use against bad bacteria?
Medicine Candy Toys Books
Create a micro-organisms treasure hunt for Ages 5-6
What do bacteria in your mouth like to eat?
Sugar and food waste Toothpaste Water Toothbrush bristles
What micro-organisms are in kefir?
Kefir grains with good bacteria Little frogs White beans Yellow beads
How do bacteria multiply?
By splitting in two By laying eggs By having babies By making seeds
What do bacteria do to waste in nature?
They break it down They make it bigger They make it lighter They make it more beautiful
What does the word 'micro' mean?
Very small Very large Very quickly Very slowly
What do we call pathogens that are smaller than bacteria?
Viruses Elephants Gnomes Dragons
What happens in your body when you get sick from a virus?
Your body makes soldiers to fight Your body turns blue Your body gets smaller Your body makes more hair
What do you call bacteria that help you?
Good bacteria Bad bacteria Neutral bacteria Weird bacteria
Create a micro-organisms treasure hunt for Ages 7-8
Why can you get sick from bad water?
It may contain harmful microorganisms Water is always toxic Water has too much oxygen Water is too wet
Why do you cough and sneeze when you have a cold?
To get viruses out of your body To get more viruses in To make sound To make your lungs bigger
What is a culture in a laboratory?
Bacteria growing deliberately in a container A kind of microscope A drug A disease
Why does old meat smell dirty?
Due to bacteria breaking down the meat Due to too much oxygen Due to too much water Due to too much sugar
What do good bacteria do in your gut?
They help digest food They make you sick They make your bowels bigger They do nothing
What is a good way to keep food good for a long time?
Freezing Putting it in the sun Wetting Warming up
How can you prevent food from spoiling?
By keeping it cool and dry By putting it in the sun By getting it wet By blowing against it
Which micro-organisms help make cheese?
Bacteria and fungi Viruses only Algae only No micro-organisms
Create a micro-organisms treasure hunt for Ages 9-10
What colour does bread usually turn when it becomes mouldy?
Green or blue Red Yellow Purple
How long can some bacteria survive without food?
Years A few hours Maximum one day One week
What are antibiotics?
Drugs that kill bacteria Nutritional supplements Vitamins Painkillers
Which micro-organism is used to make yoghurt?
Lactic acid bacteria Yeast Viruses Algae
What is the smallest microorganism?
A virus A bacterium A protozoa A fungus
What is a bacterium?
A single-celled micro-organism without a cell nucleus A multicellular organism with a cell nucleus A virus that causes disease A fungus that makes bread go mouldy
How old are the oldest known microorganisms on Earth?
About 3.5 billion years About 1,000 years About 1 million years About 100 million years
What micro-organisms create the smell of old socks?
Bacteria Viruses Yeasts Algae
Create a micro-organisms treasure hunt for Ages 11-12
What are bacilli?
Rod-shaped bacteria Round bacteria Spiral bacteria Triangular bacteria
What disease is caused by varicella-zoster virus?
Chicken pox Measles Red dog Whooping cough
Which micro-organisms are responsible for the formation of yoghurt?
Lactic acid bacteria Yeasts Mold Viruses
How are most viral diseases transmitted?
Through drip infection or contact Only by water Only through food Through the air without contact
What is an endos trace?
A survival form of some bacteria A reproductive organ of fungi A movement organ of protozoa A component of viruses
Which bacterium causes the disease tetanus?
Clostridium tetani Escherichia coli Staphylococcus aureus Streptococcus pyogenes
What is a capsule in bacteria?
A protective layer around the cell The DNA of the bacteria An organ of movement A food organ
Which mould often grows on stale bread?
Rhizopus (bread fungus) Penicillium Aspergillus Candida
Create a micro-organisms treasure hunt for Ages 13-14
What structure is used by bacteria for movement?
Flagella Cilia Pseudopodia Ribosomes
Which micro-organism was accidentally discovered by Alexander Fleming when he had not cleaned his petri dishes properly?
Penicillium notatum Streptomyces griseus Bacillus subtilis Aspergillus niger
What is the unique characteristic of prions compared to other pathogens?
They do not contain nucleic acid They can only infect plants They reproduce only in water They are only active at low temperatures
What property do halophilic archaea have?
They need high salt concentrations They only live in acidic environment They can only live in hot springs They produce methane
What happens during sporulation in bacteria?
Formation of resistant endospores Cell division accelerates DNA is repaired Cell wall thickens
What is the role of bacteriophages in nature?
Control of bacterial populations Production of oxygen Decomposition of dead organic matter Stitching
What is the role of mycorrhizal fungi in plants?
Improving nutrient uptake UV protection Increasing photosynthesis efficiency Regulation of plant growth
Which micro-organism is used to produce sake (rice wine)?
Aspergillus oryzae Saccharomyces cerevisiae Rhizopus oligosporus Monascus purpureus
Create a micro-organisms treasure hunt for Ages 18+

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Frequently asked questions

A Micro-organisms scavenger hunt is a GPS-guided outdoor activity with quiz questions about Micro-organisms, part of the theme Biology. You walk a route past various locations and answer fun questions along the way.

There are 2022 questions available about Micro-organisms: 2022 multiple choice questions, 0 open questions and 0 assignments. The category Biology has more than 35836 questions in total.

There are Micro-organisms 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 Micro-organisms as the topic. Choose an age category and location, and you'll have a complete scavenger hunt within a minute.