Animals quiz
Only Marine Biologists Get 20/25: Ocean Animals Quiz
Ocean animals quiz: only marine biologists get 20 out of 25! Test your sea animal knowledge with 25 questions from easy to insane about dolphins, whales, sharks, octopuses, seahorses and coral reefs. Play with your family, keep score and comment your result out of 25!
- 27 questions
- 6 min
- 10 Easy
- 8 Medium
- 6 Hard
- 3 Genius
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Only Marine Biologists Get 20/25: Ocean Animals Quiz: questions and answers
Try to answer first, then tap a question to see the answer.
Which freezes first: fresh water or ocean water? Fresh water · Ocean water · Same time
Fresh water – Salt lowers the freezing point, so the ocean has to get colder to freeze!
Which of these has five arms? Jellyfish · Starfish · Octopus
Starfish – Some starfish have more than 20 arms!
What do dolphins breathe through? Gills · Their skin · A blowhole
A blowhole
Which sea animal walks sideways? Eel · Crab · Shark
Crab
Which of these is a seahorse? Jellyfish · Starfish · Seahorse
Seahorse
Sea otters like to float on their... Sides · Backs · Tummies
Backs
Which sea animal squirts ink to escape danger? Dolphin · Seal · Octopus
Octopus
A group of fish swimming together is called a... Flock · School · Pack
School
Which animal lays its eggs on a beach? Seal · Dolphin · Turtle
Turtle
Wild penguins mostly live near which pole? Both poles · South Pole · North Pole
South Pole
Clownfish make their home in... Seaweed · Sand holes · Anemones
Anemones – Their slimy coat protects them from the stings!
Which parent carries seahorse babies? Both · Dad · Mom
Dad – Seahorse dads have a pouch and give birth!
Which is the biggest fish in the ocean? Great white · Manta ray · Whale shark
Whale shark
How do dolphins sleep? Standing up · Half-awake · On the seabed
Half-awake – One half of the brain rests while the other keeps watch!
Which sea animal can change color to hide? Humpback whale · Elephant seal · Cuttlefish
Cuttlefish
A group of whales is called a... Pack · Pod · Herd
Pod
What do sea otters use to crack open shells? Teeth · Claws · Rocks
Rocks
A blue whale's heart is about the size of a... Small car · A football · A bucket
Small car
Which deep-sea fish uses a glowing lure to catch prey? Anglerfish · Clownfish · Pufferfish
Anglerfish – Its glowing lure shines in the pitch-black deep!
Is coral an animal, a plant or a mineral? Mineral · Animal · Plant
Animal – Corals are tiny animals called polyps!
The sunlit top layer of the ocean ends at about... 200 meters · 2,000 meters · 20 meters
200 meters
Why is the ocean salty? Rock salts · Fish sweat · Whale tears
Rock salts – Rivers wash salts from rocks into the sea!
How long can a sperm whale hold its breath? 9 hours · 90 min · 9 min
90 min
A group of jellyfish is called a... Bloom · Pod · Flock
Bloom
How many species of sea turtle are there? 7 · 12 · 20
7
The ocean zone below 1,000 meters is called the... Sunlight zone · Midnight zone · Twilight zone
Midnight zone
Which is the biggest animal that has ever lived? Blue whale · Megalodon · Giant squid
Blue whale