Quiz: If You Know 21/35 of These Facts, You May Deserve a PhD
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If You Know 21/35 of These Facts, You May Deserve a PhD
By: Robin Tyler
Image: Getty Images via Liyao Xie

About This Quiz

The world is indeed a strange place.

Sometimes, you cannot actually believe some of the true facts that pertain to our world, its people and the fauna and flora that we find on our beautiful planet. 

For instance, did you know that earth is the only planet not named after a god? What about the fact that "hello" wasn't a greeting used until the telephone came along. And who introduced it? Thomas Edison. Although, the inventor of the telephone wanted the greeting to be "Ahoy!" Let's all just agree that "Ahoy" is infinitely cooler!

Or did you know that elephants can't jump (which let's be honest, seems pretty logical)? Sticking with the animal world, a tarantula (shudder!) can live without food for 24 months and the tongue of a blue whale is heavier than an African elephant. 

Interesting facts, right? And you will find many more in our quiz. Except you have to answer them. Do you think you can do it? Some are extremely difficult, so a score of 21 out of 35 will be excellent. 

So what you waiting for! Jump right in and show us what you are made of! You got this!

Good luck, and enjoy it!

2 of 35
Catnip also affects wild cats like lions and tigers. Is this statement true or false?
3 of 35
What is the fastest land animal on the planet?
4 of 35
The oldest star discovered in the universe is ________ years old.
5 of 35
Is your left lung smaller than your right lung?
6 of 35
We all blink, right? All the blinking we do in one day equates to having your eyes closed for how long?
7 of 35
The ocean is rich with both fauna and flora. How much of the world's plant life is actually found there?
8 of 35
What is the only bird in the world that is able to fly backward?
9 of 35
Which continent on Earth is the only one with no active volcano?
11 of 35
Can you name the largest organ in the human body?
12 of 35
Which part of their bodies do elephants use to help regulate their body temperature?
13 of 35
The pupil of an octopus is rectangular. True or false?
15 of 35
At what age do oak trees first produce acorns?
16 of 35
Which of these oceans is the saltiest?
17 of 35
Which of these are immune to many types of diseases?
18 of 35
Any idea as to the most active muscle in your body?
19 of 35
Dogs sweat through their _______
20 of 35
Fredric Baur, the inventor of the Pringles can, had his ashes buried in one when he died.
22 of 35
What color do you see if you open your eyes in a pitch black room?
23 of 35
Sea otters hold hands while sleeping. True or false?
24 of 35
What's the national animal of Scotland?
25 of 35
How long does the shortest regular commercial flight take?
26 of 35
Animal rights organization PETA asked music group, the Pet Shop Boys to change their name to the Rescue Shelter Boys. True or false?
27 of 35
How long does a person on average spend waiting for a traffic light to turn from red to green in their lifetime?
28 of 35
What color would Coca-Cola be without coloring?
29 of 35
What is the speed of a human sneeze?
30 of 35
How long does it take a sloth to travel a mile (if it wanted to, that is)?
31 of 35
Coconuts kill how many people around the world each year?
32 of 35
Are avocados poisonous to birds?
33 of 35
Which animal never stops moving, even when it sleeps?
34 of 35
Can dragonflies walk?
35 of 35
"I will be there in a jiffy." How long is a jiffy exactly?
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