PassNova has 6 free Kids Sea Life practice questions on Fish, each with a clear explanation. Practise them in the browser with instant feedback — 100% free, no sign-up, on any device. Updated for 2026.
Fish: example questions & answers
6 worked examples with answers and explanations below. Practise them in the browser with instant feedback on every answer.
What body part do fish use to breathe underwater?
- AGills✓
- BNostrils
- CFins
- DLungs
Answer: Fish take in oxygen from the water using their gills.
What are the flat, thin parts on a fish that help it swim and steer?
- AFeathers
- BFins✓
- CWhiskers
- DClaws
Answer: Fish use their fins to push through the water and change direction.
Many fish bodies are covered in small overlapping plates called what?
- AShells
- BBark
- CFur
- DScales✓
Answer: Scales cover and protect a fish's skin like tiny armour.
How do most fish have their babies?
- ABy giving birth to live pups only
- BBy building nests in trees
- CBy laying eggs✓
- DBy making a cocoon
Answer: Most fish lay lots of tiny eggs in the water that hatch into baby fish.
Which of these is a fish that people often keep as a pet in a bowl or tank?
- AGoldfish✓
- BJellyfish
- CCuttlefish
- DStarfish
Answer: A goldfish is a real fish, while a starfish and jellyfish are not fish at all.
What is a group of fish swimming together usually called?
- AA herd
- BA school✓
- CA pack
- DA flock
Answer: Many fish swim together in a group called a school to stay safe.