IMO Practice Test — Living & Non-Living Things
6 Questions • 12 min • Olympiad level
12:00
Question 1 of 6
medium
The Sun gives light and seems powerful, but it is…
An animal
Living
Non-living
A plant
Explanation: The Sun cannot grow or feed, so it is non-living.
Question 2 of 6
hard
A robot toy can talk and move, yet it is non-living because it…
Is plastic
Is small
Cannot grow or make young ones
Is colourful
Explanation: Robots cannot grow or reproduce, so they are non-living.
Question 3 of 6
medium
Why might a plant in a dark cupboard slowly die?
It has too much air
It is too clean
It cannot get sunlight to make food
It is too tall
Explanation: No sunlight means a plant cannot make its food.
Question 4 of 6
medium
A plant cannot walk, yet it is living. Why?
It is tall
It is green
It grows, feeds and makes seeds
It has no roots
Explanation: Plants grow, make food and seeds, so they are alive.
Question 5 of 6
hard
Coal and oil formed long ago from…
Once-living plants and animals
Pure rock
Sea water
Sand only
Explanation: Coal and oil come from once-living things buried long ago.
Question 6 of 6
hard
Fish need air too. They take it from…
Rocks
The sky
The sand
The air mixed in water, using gills
Explanation: Fish use gills to get air from water.