IMO Practice Test — Plants: Life & Growth
6 Questions • 12 min • Olympiad level
12:00
Question 1 of 6
hard
A pea pod is a fruit, and the peas inside it are the…
Leaves
Petals
Roots
Seeds
Explanation: Peas are the seeds inside the pod fruit.
Question 2 of 6
hard
A seed with a tasty fruit around it is most likely spread by…
Animals that eat the fruit
Magnets
Electric wires
Sound waves
Explanation: Animals eat the fruit and spread the seeds inside.
Question 3 of 6
hard
A flower that has both stamens and a pistil is called a ___ flower.
Half
Complete (bisexual)
Dead
Fruit
Explanation: A flower with both male and female parts is complete.
Question 4 of 6
hard
Why are green plants called the 'producers' of nature?
They never move
They are green
They are tall
They make food that feeds other living things
Explanation: Plants produce the food that other living things depend on.
Question 5 of 6
hard
Why do many flowers have a sweet smell and nectar?
To make seeds heavy
To taste nice
To scare birds
To attract insects that help pollination
Explanation: Scent and nectar draw insects that carry pollen.
Question 6 of 6
hard
Wind-pollinated flowers often have light, dry pollen and are usually…
Full of nectar
Very bright and scented
Dull and not scented
Closed tight
Explanation: Wind flowers need no bright colour or scent to attract insects.