IMO Practice Test — Adaptations: Built to Survive
6 Questions • 12 min • Olympiad level
12:00
Question 1 of 6
hard
Penguins huddle together in big groups in the cold mainly to…
Find food
Play games
Share warmth and stay warm
Look bigger
Explanation: Huddling shares body heat to fight the cold.
Question 2 of 6
hard
A dolphin lives in water but comes up to breathe air. This shows a dolphin breathes with…
Fins
Gills
Skin only
Lungs, not gills
Explanation: Dolphins are not fish — they breathe air with lungs.
Question 3 of 6
hard
A fish that floats up and down by filling a tiny air bag inside is using its…
Eyes
Tail only
Air bladder
Scales
Explanation: A fish controls its depth with an air bladder.
Question 4 of 6
hard
A pitcher plant traps and digests insects mainly because its soil lacks…
Water
Nutrients it needs
Sunlight
Air
Explanation: It eats insects to get nutrients missing from poor soil.
Question 5 of 6
medium
A desert rat rarely drinks water. It gets most of its water from…
Ice
The sea
Rain daily
The seeds and food it eats
Explanation: Desert rats get water from their food.
Question 6 of 6
hard
Why would a polar bear's white fur be a poor adaptation in a green forest?
It is too soft
It is too warm
It is too heavy
It would stand out instead of hiding
Explanation: White fur hides in snow but stands out in a green forest.