Can You Pass This Difficult Knowledge Quiz?


By: Annette

5 Min Quiz

Image: Shutterstock

About This Quiz

Throughout life, you never stop learning. You learn a lot in school, but you'll need more than just that. If you're passionate about a large variety subjects, you've likely picked up more knowledge than even you realize. However, in order to retain a really broad knowledge base, you need to be pretty darn smart - and if yours is so vast as to dazzle your entire social circle, that would indicate that you are indeed a bona fide brainbox.

Sure, you can name the planets and you know who invented the telephone, but can you name the loudest animal on the planet? Do you know what a bathyscaphe is? Maybe you can identify the number of cells in a human (to the nearest trillion, anyway)? Do you know what a Eustachian tube is? Can you identify the presidents of the United States? Do you know the definitions of many words? This quiz will put your knowledge of all subjects to the test, but it shouldn't be any trouble for a genius!

Do you consider yourself to be a genius? If you can answer the questions on this quiz, you probably are! So if you think you have what it takes, test yourself by taking this quiz!

What does an endocrinologist​ specialize in?

An endocrinologist is a doctor that specializes in hormones. If you're suspecting low-T, he or she is the doctor to see.


Which famous children's book was illustrated by its author?

Lewis Carroll, the author of "Alice's Adventures in Wonderland," was also its original illustrator. Carroll was a mathematician at the time.


What is a bathyscaphe?

A bathyscaphe is a type of submersible vessel. It's the vessel that deep-sea explorer Auguste Piccard used.


What is the southernmost state in the continental U.S.?

Florida is the southernmost state in the continental U.S. Miami is the southernmost major metropolis. Hawaii, which is a state but not part of the continental U.S., is further south.


How much of the moon's surface can we see from Earth?

From Earth, it's possible to see as much as 59% of the moon's surface. It's thanks to slight lunar wobbling that we're able to see so much of it.


What is the pilomotor reflex?

The pilomotor reflex refers to the phenomenon of goosebumps raising on your skin. This can happen due to temperature​ or emotions.


Where is the Eustachian tube?

The Eustachian tube is found in the middle portion of the ear. The tube is about 35 mm long in adult humans.


What is one sport where neither the spectators nor the players know the score?

Boxing is one sport where no one knows what the score is until the competition is done. No one knows who the technical leader is, either.


How many punctuation marks are in English grammar?

There are 14 punctuation marks in English grammar. They are the period, comma, colon, semicolon, dash, hyphen, apostrophe, question mark, exclamation point, quotation marks, brackets, parentheses, braces, and ellipses. And then there's the interrobang.


Which is the loudest animal on Earth, to the human ear?

The sperm whale is loudest, based on decibel levels. However, it's complicated, given questions of frequency and duration, plus sound in air vs. sound in water. Other candidates for the loudest include the sperm whale, pistol shrimp and bulldog bat.


Which of these is north of Maine?

Paris is actually north of the state of Maine. So is all of Great Britain.


Which is farther west, Portland, OR, or Los Angeles, CA?

Portland, Oregon, is further west than Los Angeles. Reno, Nevada, is also slightly more to the west.


How is the Milky Way Galaxy shaped?

The Milky Way Galaxy is disk-shaped. There's a rod at the center of it, and then a series of arms spiraling around it.


What does acclimatized mean?

A person is acclimatized when they have adjusted to the temperature, altitude and other conditions in a location. Another word for this is acclimated.


Where is the hyoid?

The hyoid bone is located in the neck. It's the only bone not attached to another bone.


Who was the 23rd president of the U.S.?

Benjamin Harrison was the 23rd president of the United States. He was president from 1889 to 1893.


What famous landmark is moving backward?

Niagara Falls is constantly moving backward, due to erosion from the force of the water. It once eroded more than 3 feet per year, but with water diversion for hydro-electricity the falls now erode less than one foot per year.


Which vegetable is perennial​?

Both asparagus and rhubarb can reproduce on their own. Many other vegetables must be replanted each year.


What fruit has seeds on the outside?

Only strawberries have seeds on the outside. These seeds are the fruit's ovaries, called "achenes."


What is the only fruit or veg never frozen or preserved?

Lettuce is the only produce that is never frozen, canned, or preserved in any way. Just think of how gross canned lettuce would be!


Dr. Yoshiro Nakamatsu is a famous inventor who _____ to stimulate his brain.

Dr. Yoshiro Nakamatsu has invented over 3,500 things in our modern world. He is fighting cancer with many strategies, including singing to trigger cancer immunity in the brain.


Which burns more calories?

In the sleeping state, you burn more calories than while you're awake and watching television. Go to bed earlier!


When does honey spoil?

Honey is one of the only foods that never spoils. You could eat the ancient honey of our ancestors.


Alexander Graham Bell invented the telephone and which of these?

Alexander Graham Bell invented many things. These include a metal detector, hydrofoil and audiometer.


How many stars are in the Milky Way?

Astronomers estimate that there are 100 to 400 bbillion stars in the Milky Way alone. There are then countless other galaxies.


How many cells are in the human body?

Scientists estimate that there are 37.2 trillion cells in the human body. This will vary from person to person, of course.


What is the smallest country in the world?

Vatican City is the smallest country in the world. It measures only 0.2 square miles - smaller than Manhattan.


What percentage of people are left-handed?

About ten percent of humans are left-handed. Is it a myth that left-handed people are smarter? Don't ask a left-handed person.


How many letters are in the Hawaiian alphabet?

There are only 13 letters in the Hawaiian alphabet - five vowels and eight consonants. Communication is simple and easy when you're living the spirit of Aloha.


Insects have how many legs?

All insects have six legs. They also, for the most part, have four wings.


How many plays did Shakespeare write?

The general consensus is that Shakespeare wrote 37 plays. That being said, there are theories that he didn't write them all.


What do you get when you add up all the numbers from 1 to 100 consecutively?

When you add up all those numbers consecutively, you come to 5,050. Go ahead and try it on a calculator.


Where are one-quarter of your bones?

Believe it or not, one-quarter of your total bones are in your feet. Talk about a complex part of your anatomy!


How many seconds are in a year?

There are a total of 31,536,000 seconds in each year, not counting leap years. That's 60x60x24x365! Let's make them all count, you genius you.


What is 20°C translated into Fahrenheit?

20°C translates into 68°F. This is the lower limit for what is defined as room temperature.


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