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The Ultimate Jellyfish Venom Quiz
by Staff
The jellyfish is an unusual and fascinating marine animal. Despite its semi-transparent, gelatinous appearance the jellyfish has a painful, venomous sting if you come into contact with one of its tentacles. Take this quiz and learn more about this unique sea creature.

Would you describe the jellyfish as a poisonous or a venomous marine creature?

  • both
  • poisonous
  • venomous

Where does a venomous creature usually acquire its poison?

  • from what they eat
  • produce it themselves
  • produced during mating season

What is common to different venomous creatures?

  • lying in wait for prey
  • means of delivering the venom
  • immunity to venom of other creatures

Which marine creature has the deadliest venom?

  • Portuguese Man-of-War
  • hydra
  • box jellyfish

How long does it take for the box jellyfish venom to kill a human?

  • five minutes
  • ten minutes
  • fifteen minutes

Just how much venom does this deadly creature have?

  • 20 adults
  • 40 adults
  • 60 adults

What are nematocysts?

  • the actual stinger
  • tiny stinging darts
  • cells of the tentacle

How many nematocysts are there in each tentacle?

  • 5000
  • 2000
  • 500

What are cnidoblasts?

  • stinging trigger
  • venom container
  • cells that house nematocysts

The venom of the box jellyfish is described as dermonecrotic. What does that mean?

  • damages functioning of the brain
  • kills skin cells and underlying tissue
  • affects the nervous system

What happens when you try to shake the stingers off?

  • The tentacles contract and stick tighter.
  • The tentacles back off but the stingers can rip your skin while retreating.
  • The stingers detach from the nematocysts and are driven far beneath the surface of your skin.

Is there an effective first aid prior to medical treatment?

  • carbonated soft drink
  • cold fresh water
  • vinegar

How do some Australians avoid jellyfish stings?

  • They rub insect repellant on their skin before entering the water.
  • They wear women's pantyhose when swimming.
  • They trail ribbons behind them to distract the jellyfish's tentacles.

What is a common method of measuring the toxicity of a substance?

  • WD-40
  • Toxicon
  • LD50

Why are researchers phasing out this method?

  • to reduce the deaths of test animals
  • not accurate enough
  • frequent changes in the chemical compositions of venoms

What other reasons are there for seeking alternatives?

  • These experiments are expensive and funding is scarce.
  • The rapid evolution of the different types of venom makes it impossible for research to keep up.
  • Test animals don't respond the same way as humans.

What is an inland taipan?

  • venomous cone snail
  • deadly snake
  • freshwater jellyfish

Just how deadly is it?

  • It is fatal to humans with no known antidote.
  • Kills prey in seconds.
  • Venom from one bite can kill 15,000 mice.

How are venomous creatures benefiting mankind?

  • Part of the cone shell's venom has been developed into a drug for chronic pain.
  • Jellyfish venom has been modified to act as a tranquilizer for horses.
  • Components of the cone snail venom were modified to develop shark repellants.

What animal is contributing to fighting cancer?

  • funnel-web spider
  • copperhead snake
  • sea wasp