Fun with Quizzes

Are you a Cetacean expert?

Instructions
To pass the test you must answer correctly at least 7 questions out of 10. For each question, one or more answers can be correct and you need to select all the correct options to score a point. Test evaluation is immediate and does not require you to provide any personal data.

1.

The diet of Mysticeti (toothless whales) includes:

Copepods

Krill

Small fish

Marine mammals

2.

In presence of a stranded cetacean, the following actions should be taken:

Gently try to drag the whale or dolphin back to the water

Immediately call the local authorities and experts

Keep the skin of the animal wet

Carefully try to keep the blowhole (or blowholes) free of sand or other materials

3.

Which of the following cetacean species do not have a dorsal fin?

Gray whale

Beluga

Minke whale

Southern Right whale

4.

Which species among the following has disappeared from the North Atlantic due to whaling?

Gray whale

Narwhal

Common dolphin

Vaquita

5.

The Pilot whale has a higher than normal rate of:

Liver diseases

Twin births

Lactic acid formation when diving longer than 15 minutes

Stranding

6.

Which whale species is unique in having three ridges on the top of its head rather than only one?

Blue whale

Fin whale

Humpback whale

Bryde's whale

7.

Which of the following countries are still involved in whaling?

Tonga

Japan

Norway

Italy

8.

Which of the following assertions are true?

Cetaceans evolved from land mammals

The ancestors of cetaceans always inhabited the sea

Cetaceans evolved from a now extinct warm-blooded fish

Baleen whales (Mysticeti) are believed to have evolved from reptiles

9.

In which place(s) are Orcas known to attack mother and calf Gray whale pairs?

Monterey Bay (CA, United States)

Kaikoura (New Zealand)

Portofino (Italy)

Peninsula Valdes (Argentina)

10.

Cetaceans can keep their body warm in the water by means of:

A thick layer of proteins under their skin, called blubber

A huge production of heat, due to constant swimming

A thick layer of fat under their skin, called blubber

A special countercurrent blood-vessel system, which limits the quantity of heat lost from their flukes and flippers