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 Gray whale are true?

It performs the longest seasonal migrations between breeding and feeding grounds

It has a higher than average number of parasites

Its scientific name is Eschrichtius robustus

Females are larger than males

2.

The Narwhal has a typical tusk:

Only males and about 3% of females have one

Only females have one

Both males and females have one

No, the Narwhal does not have a typical tusk

3.

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

4.

Talking about evolution, the reason(s) why Cetaceans have almost completely lost their body hair since the time they were land mammals is (are):

Life in the ocean is so psychologically stressful

A fur is not as effective to keep a body warm in the water as it is on land

To increase streamlining

To avoid looking like seals and being hunted

5.

Balaena mysticetus is the scientific name for:

Bowhead whale

Humpback whale

It is a synonym with Mysticeti

Great Misty whale

6.

The English name for Tursiops truncatus is:

Hector's dolphin

Northern Bottlenose whale

Common dolphin

None of the above

7.

The Gray whale was nicknamed Devilfish by whalers because:

Gray whales are naturally extremely aggressive

A Gray whale mother can become particularly aggressive if someone is harming her baby

They thought the evil would eventually get them for their practices

They regularly mistook Gray whales for Marlins

8.

What is echolocation?

A natural occurring sonar system, extensively used by toothed whales

It is synonym with radar

The ability to locate a prey using natural biomagnetism

The use of electric fields to locate both preys and predators

9.

Which of the following baleen whales have typical callosities on its head?

Humpback whale

Right whale

Gray whale

Bryde's whale

10.

Who is the current record holder for deep diving among Marine Mammals?

Blue whale

Sperm whale

Elephant Seal

Cuvier's beaked whale