Q 01/05

Which animal produces cube-shaped droppings?

A) Wombat

B) Koala

C) Capybara

D) Platypus

Answer · why

A) Wombat

Wombat: its 2 cm cubes are thought to stay put on the rocks and logs where it marks territory, and the gut physics behind them won a 2019 Ig Nobel Pri...

Q 02/05

Which animal has three hearts and blue blood?

A) Octopus

B) Lobster

C) Starfish

D) Sea turtle

Answer · why

A) Octopus

Octopus: two hearts pump blood through the gills and one round the body, and that main heart stops while it swims, which is why octopuses mostly crawl...

Q 03/05

Which animal is considered biologically immortal because it can revert its cells to a juvenile stage?

A) Greenland shark

B) Naked mole-rat

C) Turritopsis dohrnii jellyfish

D) Galapagos tortoise

Answer · why

C) Turritopsis dohrnii jellyfish

Turritopsis dohrnii, a jellyfish only about 4.5 mm across, can revert from adult medusa to polyp when starved or injured and start its life cycle over...

Q 04/05

In which animal does the female deposit eggs into the male, who then gives birth?

A) Clownfish

B) Emperor penguin

C) Poison dart frog

D) Seahorse

Answer · why

D) Seahorse

The seahorse: the male carries the eggs in his pouch, expels the young with muscular contractions and can take in a new brood soon after.

Q 05/05

Which fruit is a berry in the botanical sense?

A) Banana

B) Strawberry

C) Raspberry

D) Blackberry

Answer · why

A) Banana

Banana: a botanical berry grows from a single ovary, while a strawberry's 'seeds' are really its true fruits, dotted over swollen flower tissue.