IMO Practice Test — Adaptations: Built to Survive
6 Questions • 12 min • Olympiad level
12:00
Question 1 of 6
hard
A behaviour that helps survival, like birds flying to warm lands in winter, is called…
Migration
Camouflage
Dissolving
Reflection
Explanation: Migration is a behaviour adaptation for survival.
Question 2 of 6
hard
A polar bear's black skin under white fur helps it to…
Hide food
Look pretty
Swim faster
Soak up Sun warmth
Explanation: Black skin absorbs the Sun heat to keep warm.
Question 3 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 4 of 6
hard
Why is a camel's thick fur on top but thin underneath a clever desert design?
Top fur blocks Sun heat; thin belly lets heat escape
It looks nice
It stores water
It helps swimming
Explanation: This fur pattern shields from Sun yet lets body heat out.
Question 5 of 6
hard
A cactus does most of its food-making in its green stem because it has almost no…
Leaves
Roots
Flowers
Water
Explanation: With spiny tiny leaves, the cactus stem makes the food.
Question 6 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.