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Cetaceacetera

written by: leviathan2000
 
Here's an informative quiz on cetaceans (whales, dolphins and porpoises).

Question 1:


In cetaceans, the species identification “rorqual” comes from the Norwegian word “rorhval” which means “furrow.” These furrows are obvious on all rorqual whales. Which of the following is not a rorqual whale?
Sei whale
Beluga whale
Minke whale
Bryde’s whale

Question 2:


Right and gray whales have been over-fished almost to extinction. Which of the following is a gray or right whale?
Narwhal
Sperm whale
Blue whale
Bowhead whale

Question 3:


Narwhals and belugas make up separate subspecies of cetaceans. However, taxonomists often include in it a dolphin which lives in Indo-Pacific waters. What is the name of this dolphin?
Irrawaddy dolphin
Bottlenose dolphin
Risso’s dolphin
Boto

Question 4:


Which whale expels a reddish-brown fluid when threatened, much like an octopus?
Dwarf sperm whale
Fin whale
Pygmy sperm whale
Andrew’s beaked whale

Question 5:


Males of this whale species have one tooth that can grow to be 10 feet (3 m) long.
Strapped-tooth whale
Narwhal
Blainville’s beaked whale
Long-finned pilot whale

Question 6:


The largest family of whales is the beaked whales (Ziphiidae). Most of the scarce information about this family has been found from dead specimens. Their teeth are the most distinctive aspect of these whales; most have only 2-4 oversized teeth. Which whale’s teeth erupt from bulges in the lower jaw?
Longman’s beaked whale
Stejneger’s beaked whale
Blainville’s beaked whale
Arnoux’s beaked whale

Question 7:


The family “delphinidae” include which kind of cetacean?
Southern right whales
Dolphins
Porpoises
Rorqual whales

Question 8:


The family “phocoenidae” describe which group of cetacean?
Dolphins
Indus and Ganges river dolphins
Beaked whales
Porpoises

Question 9:


These cetaceans live off the southern coast of South America and can be found up to 150 miles (240 km) up the Amazon River. They are colored pale blue with a white underside. What is their name?
Tuxici
Franciscana
Amazon dolphin
South American dolphin

Question 10:


Sometimes called the “hooked-finned” porpoise, this animal has a barely noticeable beak. It lives in the deep waters of the northern latitudes between North America and Asia, and is a very fast swimmer (up to 20 mph / 32 km/h). What is its name?
Pantropical dolphin
Pacific white-sided dolphin
Dusky dolphin
Dall’s porpoise

Question 11:


The representatives of this type of dolphins have very small eyes, making them virtually blind. They rely on echolocation to find food and swim in turbid waters. They include the baiji and boto. What are they called?
Oceanic dolphins
Muddy dolphins
Blind dolphins
River dolphins

Question 12:


This family of cetaceans has representatives like the vaquita, the harbor, and spectacled type. They are shy and stay away from boats; however, they are particularly susceptible to fishing lines, nets, and other pollution. Which is the family?
Dolphins
Porpoises
River dolphins
Pilot whales

Question 13:


This oceanic dolphin has distinctive yellow patches on its sides. It is mostly found in the northern latitudes of the Atlantic Ocean.
Common dolphin
Hector’s dolphin
Atlantic white-sided dolphin
Atlantic yellow-sided dolphin

Question 14:


This popular dolphin often herds fish onto the beach in order to eat the stranded fish. As a result, the teeth on one side (usually the right) are worn down due to eating sand as well as the fish. Which is this dolphin?
Right-sided dolphin
Spotted dolphin
Stranded dolphin
Bottlenose dolphin

Question 15:


Which of the following do orca NOT do with their food?
Regurgitate it for their young
Use it as a teaching tool for young orca
Slam it on the surface of the water
Throw it

 


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