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.

Strandings of cetaceans can be caused by:

Military sonar systems

Infections and other diseases

Local changes of the Earth's magnetic field

Ancestral desire of cetaceans to come back to land

2.

Which of the following cetacean species do not have a dorsal fin?

Gray whale

Beluga

Minke whale

Southern Right whale

3.

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

Tonga

The Bering Sea

Maldives

Antarctica

4.

Which of the following assertions are true?

Cetaceans evolved from land mammals

The ancestors of cetaceans always inhabited the sea

Cetaceans evolved from a now extinct warm-blooded fish

Baleen whales (Mysticeti) are believed to have evolved from reptiles

5.

Which of the following assertions about Pilot whales are true?

There are two species, one called short-finned and the other long-finned

Two different species are known, both belonging to the genus Globicephala

Two different species are known, whose distributions rarely overlap

Two different species are known, whose distributions broadly overlap

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.

Resident Orcas in British Columbia are:

Fish eaters

Marine mammal eaters

Omnivorous

Filter feeders

8.

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

The Common dolphin

The Bryde's whale

The Dugong

The Minke 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.

Porpoises have the following distinctive features:

Lack of beak

Lack of blowhole

Spade-shaped teeth

They belong to the Phocoenidae family