Dog quiz questions for canine enthusiasts

Dogs have earned the title of "man's best friend" through thousands of years of loyalty. Here are eight questions about the stranger side of our canine companions.

1Dogs can be trained to detect diseases in humans. What condition can they identify with up to 98% accuracy by smelling breath or skin?

Answer:Cancer (also accept diabetes or seizures)(click to reveal)

2Why do dogs circle before lying down, even on a perfectly comfortable bed?

Answer:An ancestral instinct to flatten grass and check for predators(click to reveal)

3The Basenji is called the "barkless dog." What sound does it make instead?

Answer:A yodel (or "baroo")(click to reveal)

4What is unusual about the Lundehund, a Norwegian breed originally used for hunting puffins?

Answer:It has six toes on each foot (and can close its ears shut)(click to reveal)

5Dogs' noses are wet for a functional reason. What does the moisture help them do?

Answer:Absorb scent chemicals (making their sense of smell more effective)(click to reveal)

6Which breed holds the Guinness World Record for the longest ears on a dog?

Answer:Bloodhound(click to reveal)

7The Soviet Union created a two-headed dog in 1954. How?

Answer:Surgically grafted a puppy's head and upper body onto an adult dog(click to reveal)

8Dogs can understand human pointing - an ability that even chimpanzees struggle with. Why is this significant?

Answer:It suggests dogs evolved specifically to read human communication(click to reveal)