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 baleen whales have typical callosities on its head?

Humpback whale

Right whale

Gray whale

Bryde's whale

2.

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

Blue whale

Minke whale

Bryde's whale

Fin whale

3.

Which of the following species are known to sometimes kill other marine mammals?

Sperm whale (Physeter macrocephalus)

False killer whale (Pseudorca crassidens)

Humpback whale (Megaptera novaeangliae)

Orca (Orcinus orca)

4.

The so-called baleen in toothless whales (Mysticeti) serve the purpose of:

Filtering the water and retain food

Filtering the oxygen contained in the water

Chewing preys

Increasing streamlining

5.

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

6.

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

7.

Which of the following baleen whales are unmistakable because of their typical V-shaped blow?

Gray whale

Right whale

Minke whale

Humpback whale

8.

The diet of Mysticeti (toothless whales) includes:

Copepods

Krill

Small fish

Marine mammals

9.

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)

10.

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