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 are mammals. It follows that:

They cannot be very streamlined

They lay eggs

They need to surface from time to time in order to breathe

They nourish their young with milk

2.

Which of the following countries are still involved in whaling?

Tonga

Japan

Norway

Italy

3.

Is Orcinus orca a toothed or a toothless cetacean?

Toothless

Toothed

Orca is not a cetacean

None of the above

4.

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

Its blow is unique in being projected forward and on the left

It belongs to the suborder Odontoceti

It can dive as deep as 2000 metres (6000 feet)

There is an organ in its head called Spermaceti, containing huge amounts of a waxy substance (which has nothing to do with sperm, though)

5.

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

6.

All cetaceans are:

Warm-blooded mammals

Air-breathing animals

Filter feeders

Fish eaters

7.

The Mexican bays and lagoons of San Ignacio, Guerrero Negro and Magdalena are world-famous breeding grounds for:

Humpback whales

Blue whales

Sperm whales

Gray whales

8.

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

Humpback whale

Right whale

Gray whale

Bryde's whale

9.

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

10.

Which suborder of the Cetacea order does the Sperm whale belong to?

Mysticeti

Archaeoceti

Odontoceti

None of the above