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.

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

2.

What baleen whales are mostly seen in Peninsula Valdes (Argentina)?

Orcas, which hunt seal and sea lion pups right up the beach

Southern Right whales

Blue whales

None of the above

3.

Which of the following places are known to be summerly feeding grounds for migrating whales?

Tonga

The Bering Sea

Maldives

Antarctica

4.

The reason(s) why cetaceans look more like fish than land mammals is (are):

Interspecific breeding

By coincidence

Convergent evolution

Divergent involution

5.

What is the smallest rorqual (whale with throat grooves)?

The Common dolphin

The Bryde's whale

The Dugong

The Minke whale

6.

Which of the following cetaceans belong to the Delphinidae family?

Orca

False killer whale

Cuvier's Beaked whale

Manatee

7.

Which of the following assertions about the Humpback whale are true?

It is the most acrobatic of all baleen whales (Mysticeti)

It only inhabits the Northern Hemisphere

It has unusually long, very distinctive flippers (pectoral fins)

Its songs (only males sing) are well known for their complexity and variety

8.

Which of the following countries are still involved in whaling?

Tonga

Japan

Norway

Italy

9.

Talking about the ability of some cetaceans to make sounds and process the echoes bouncing back:

Echolocating cetaceans can recognise a woman being pregnant and may be therefore particularly careful and cautious in her presence

Echolocating cetaceans can see air in our lungs and therefore understand we cannot breathe underwater

Being echolocated by a cetacean is a guarantee the animal will not bump into you by mistake

Echolocation is the use of sound (and relative echoes) to locate objects, estimate their distance, shape and density

10.

Parental care is common to:

All animals in the sea

All vertebrates, whether on land or sea

All cetaceans and sharks

All cetaceans