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.

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

2.

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

Mysticeti

Archaeoceti

Odontoceti

None of the above

3.

The English name for Tursiops truncatus is:

Hector's dolphin

Northern Bottlenose whale

Common dolphin

None of the above

4.

Which of the following cetaceans can reach speeds of over 30 km/h?

Southern Right whale

Bottlenose dolphin

Humpback whale

Dall's porpoise

5.

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

6.

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

Gray whale

Beluga

Minke whale

Southern Right whale

7.

The diet of Mysticeti (toothless whales) includes:

Copepods

Krill

Small fish

Marine mammals

8.

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

9.

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

10.

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

Risso's dolphin

Gray whale

False killer whale

Beluga