Free quiz · 8 questions · Warm-up to Boss
Sharks quiz
How well do you really know Sharks? These 8 questions start easy and end with a Boss round. There are no multiple choice options: you type what you know, and every answer is checked against the key facts.
60 seconds a question, one 2x boost, and a leaderboard. Playing with friends writes a fresh set of Sharks questions for your group.
The questions
- Warm-up
Sharks breathe underwater without scuba gear: what body parts help them, and what do those parts take from the water?
Show the answer
- Sharks breathe using gills.
- Water flows over the gills.
- The gills take dissolved oxygen from the water.
- Warm-up
What is a baby shark called, and name one way a baby shark can enter the world?
Show the answer
- A baby shark is called a pup.
- Some shark pups hatch from eggs.
- Other shark pups are born live.
- Medium
Some shark species must keep cruising—what breathing method do they use, and what does swimming move across their gills?
Show the answer
- They use ram ventilation.
- Swimming moves water over the gills.
- The gills take oxygen from the water.
- Medium
Shark teeth are replaceable like a conveyor belt: about how many rows can they have, and how do new teeth reach the front?
Show the answer
- Many sharks have several rows, commonly around 5–15.
- Replacement teeth move forward as front teeth are lost or worn down.
- The number of rows varies among shark species.
- Medium
When some sharks bite, what special eye covering can slide into place, and what does it protect the eye from?
Show the answer
- Names the nictitating membrane
- Says it covers or shields the eye
- Says it helps protect the eye from prey, debris, or injury while biting
- Medium
A shark’s skin has tiny tooth-like scales: what are they called, and what advantage do they give as the shark swims?
Show the answer
- They are called dermal denticles, or placoid scales.
- They help reduce drag as the shark moves through water.
- Their shape helps manage water flow over the body.
- They also provide a protective covering.
- Hard
Among hammerhead sharks, which species is the biggest, and what distinctive feature marks the shape of its hammer-shaped head?
Show the answer
- The great hammerhead is the largest hammerhead species
- Its head has a nearly straight front edge
- The great hammerhead’s head is broad and hammer-shaped
- Boss
What is the name of the tiny animal found attached to Greenland shark eyes, and how can its relationship affect the shark’s sight?
Show the answer
- Names the copepod Ommatokoita elongata
- Identifies it as a parasite or parasitic copepod
- Says it attaches to the eye and can impair vision
How scoring works
- Each question has 2 or 3 key facts. Each one earns full, half or no credit, so a wrong answer scores zero.
- Later questions are worth more, fast answers earn a bonus, and great answers in a row build a streak.
- A famous myth or a clear factual error halves the points.
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