What plants need to grow
6 free practice questions with explanations
PassNova has 6 free Kids Plants & Growing practice questions on What plants need to grow, each with a clear explanation. Practise them in the browser with instant feedback — 100% free, no sign-up, on any device. Updated for 2026.
What plants need to grow: example questions & answers
6 worked examples with answers and explanations below. Practise them in the browser with instant feedback on every answer.
Which of these does a plant need to grow well?
- AMilkshake
- BChocolate
- CWater✓
- DToys
Answer: Plants need water to stay healthy and grow big and strong.
Plants use light from which big, bright thing in the sky to help them grow?
- AA rainbow
- BA lamp switched off
- CThe Moon
- DThe Sun✓
Answer: Sunlight gives plants the energy they need to make food and grow.
What might happen to most plants if they get no water at all for a long time?
- AThey grow much taller
- BThey wilt and dry out✓
- CThey turn into animals
- DThey start to sing
Answer: Without water, plants droop, dry out, and can die.
Which gas from the air do plants take in to help make their food?
- ABubbles
- BSteam
- CCarbon dioxide✓
- DSmoke
Answer: Plants breathe in a gas called carbon dioxide from the air to help make food.
Where do most plants get the water they need to grow?
- AFrom bees who bring it
- BFrom their leaves eating it
- CFrom the clouds through their petals
- DFrom the soil through their roots✓
Answer: Roots soak up water from the soil and send it up through the plant.
A plant kept in a dark cupboard with no light will most likely become what?
- AWeak and pale✓
- BVery tall and strong
- CBright and healthy
- DFull of flowers
Answer: Plants need light to make food, so one in the dark grows weak and pale.