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 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
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
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 6 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.