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 can be sometimes mistaken for Orcas by Whale Watchers?

Risso's dolphin

Gray whale

False killer whale

Beluga

2.

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)

3.

Which of the following cetaceans belong to the Delphinidae family?

Orca

False killer whale

Cuvier's Beaked whale

Manatee

4.

The so-called melon in Odontoceti plays a crucial role in:

Focusing the sounds used in echolocation

Excreting

Feeding

Mating

5.

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

6.

What is echolocation?

A natural occurring sonar system, extensively used by toothed whales

It is synonym with radar

The ability to locate a prey using natural biomagnetism

The use of electric fields to locate both preys and predators

7.

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

8.

Some river dolphins are:

Able to crawl for more than a mile on land

Almost completely blind

In great danger of extinction

Well adapted to feed on birds

9.

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

Tonga

The Bering Sea

Maldives

Antarctica

10.

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

It performs the longest seasonal migrations between breeding and feeding grounds

It has a higher than average number of parasites

Its scientific name is Eschrichtius robustus

Females are larger than males