IMO Practice Test — Our Body & Senses
6 Questions • 12 min • Olympiad level
12:00
Question 1 of 6
hard
Why is eating different kinds of food better than one food only?
One food is tastier
Each food gives the body something it needs
It costs less
It looks better
Explanation: A variety of food gives the body all it needs.
Question 2 of 6
hard
Which body part protects the soft brain inside?
The ear
The hair
The nose
The skull (head bone)
Explanation: The hard skull protects the brain.
Question 3 of 6
hard
In the dark you find a switch by feeling the wall. Which sense helps?
Smell
Sight
Taste
Touch
Explanation: In the dark, touch helps us feel our way.
Question 4 of 6
hard
Why should we cover the mouth when we cough?
To stop germs spreading to others
To look nice
To stay warm
To eat faster
Explanation: Covering a cough stops germs reaching others.
Question 5 of 6
hard
Which two senses work together to enjoy food?
Taste and smell
Sight and hearing
Touch and hearing
Smell and hearing
Explanation: Taste and smell together let us enjoy food.
Question 6 of 6
medium
Why are our joints, like the elbow, useful?
They make sound
They give colour
They let body parts bend and move
They store food
Explanation: Joints let our arms and legs bend.