Q 01/05

Which film director piloted a submersible alone to the bottom of the Challenger Deep in March 2012?

A) Steven Spielberg

B) James Cameron

C) Ridley Scott

D) Peter Jackson

Answer · why

B) James Cameron

James Cameron made the dive in the Australian-built Deepsea Challenger, sinking for more than two and a half hours to reach the seabed.

Q 02/05

Which deep-sea fish lures prey with a glowing bait that dangles from a modified fin spine on its head?

A) Viperfish

B) Dragonfish

C) Anglerfish

D) Lanternfish

Answer · why

C) Anglerfish

Anglerfish light their lure with colonies of glowing bacteria, and their jaws and stomachs stretch to swallow prey up to twice their own size.

Q 03/05

Which crescent-shaped Pacific feature contains the Challenger Deep, the deepest known point in any ocean?

A) Mariana Trench

B) Tonga Trench

C) Kermadec Trench

D) Philippine Trench

Answer · why

A) Mariana Trench

The Mariana Trench plunges almost 11 km, so its floor lies farther below sea level than the summit of Everest stands above it.

Q 04/05

Which sea monster of Norwegian sailors' lore is thought to have been inspired by sightings of giant squid?

A) Leviathan

B) Jörmungandr

C) Charybdis

D) Kraken

Answer · why

D) Kraken

The Kraken was first described in a Norwegian glossary of 1646, and the giant squid that may lie behind the tales can grow more than 10 metres long.

Q 05/05

Which fish from deep waters off Australia was voted mascot of the Ugly Animal Preservation Society?

A) Blobfish

B) Monkfish

C) Stonefish

D) Wolffish

Answer · why

A) Blobfish

The blobfish floats just above the seabed without swimming, because its jelly-like flesh is slightly less dense than water.