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.

Balaena mysticetus is the scientific name for:

Bowhead whale

Humpback whale

It is a synonym with Mysticeti

Great Misty whale

2.

Parental care is common to:

All animals in the sea

All vertebrates, whether on land or sea

All cetaceans and sharks

All cetaceans

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.

The Whale Shark is a shark, not a whale. It follows that:

It is not a mammal

It is a fish

It is not an air breather

It does not suckle its young

5.

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

6.

Some tourists tell you they have seen a mother and calf Gray whale pair in Patagonia:

It could be, but only during the Southern Hemisphere winter

It is impossible, because the Gray whale only inhabits the West coast of South America

It is impossible, because the Gray whale only inhabits the Northern Hemisphere

It is very possible, since the Gray whale is the most sighted cetacean in Patagonia

7.

Herman Melville's white whale in the novel Moby Dick was actually:

A Great White Shark

A Whale Shark

A Sperm whale

A Blue whale

8.

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

9.

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

10.

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

Focusing the sounds used in echolocation

Excreting

Feeding

Mating