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.

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

2.

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

3.

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

4.

Which of the following species belong to the suborder Mysticeti?

Sperm whale

Blue whale

Bottlenose dolphin

Northern Right whale

5.

Feeding cetaceans in the wild can:

Have a negative impact on their feeding behaviour

Help them survive

Negatively alter their social behaviour and interactions, for example with males harassing females for a longer time, which they should rather spend searching for food

Help genuine friendship between cetaceans and humans

6.

The diet of Mysticeti (toothless whales) includes:

Copepods

Krill

Small fish

Marine mammals

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.

Resident Orcas in British Columbia are:

Fish eaters

Marine mammal eaters

Omnivorous

Filter feeders

9.

What is the biggest animal that has ever lived on Earth?

The Sperm whale

The Fin whale

Some dinosaur

The Blue whale

10.

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

Focusing the sounds used in echolocation

Excreting

Feeding

Mating