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 species belong to the suborder Mysticeti?

Sperm whale

Blue whale

Bottlenose dolphin

Northern Right whale

2.

The Hector's dolphin is:

One of the smallest of all cetaceans

A dolphin that can only be found in New Zealand waters

A highly endangered species

A close relative of the Hector's beaked whale

3.

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

4.

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

5.

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

Blue whale

Minke whale

Bryde's whale

Fin whale

6.

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

7.

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

8.

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

Risso's dolphin

Gray whale

False killer whale

Beluga

9.

Cetaceans, compared to humans, have:

A higher concentration of myoglobin in muscles

A bigger lung volume relative to total body volume

A higher amount of blood in their circulatory system, relative to total body weight

More efficient biochemical pathways, which enhance their tolerance towards lactic acid

10.

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