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.

Which of the following assertions about the Orca are true?

It has the widest distribution of all cetaceans

It is the only cetacean known to kill other mammals

It is known to attack humans

It is a highly social animal

2.

Porpoises have the following distinctive features:

Lack of beak

Lack of blowhole

Spade-shaped teeth

They belong to the Phocoenidae family

3.

The Whale Shark is a shark, not a whale. It follows that:

It is not a mammal

It is a fish

It is not an air breather

It does not suckle its young

4.

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

5.

Which of the following cetaceans are only found in the Gulf of California (Sea of Cortez)?

Gray whale (Eschrichtius robustus)

Boto (Inia geoffrensis)

Vaquita (Phocoena sinus)

Dall's porpoise (Phocoenoides dalli)

6.

Which of the following species can be sometimes mistaken for Orcas by Whale Watchers?

Risso's dolphin

Gray whale

False killer whale

Beluga

7.

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

Interspecific breeding

By coincidence

Convergent evolution

Divergent involution

8.

Which of the following cetaceans belong to the Delphinidae family?

Orca

False killer whale

Cuvier's Beaked whale

Manatee

9.

Is Orcinus orca a toothed or a toothless cetacean?

Toothless

Toothed

Orca is not a cetacean

None of the above

10.

Which members of the Balaenopteridae family are known to prefer warm waters year round?

Blue whale

Minke whale

Bryde's whale

Fin whale