Biology is the study of life in all its splendid variation. From the smallest cells to the largest beasts, biology sheds light on the miracle that is biological life. A little knowledge of biology can go a long way to helping out with many situations. So how about you? Do you think you remember some basic biological knowledge? Prove it by acing our test!
QUIZ: Do You Know About the Great Science Discoveries?
Take our quiz and see if you can recall the great inventions that made our lives better.
Quiz: How Well Do You Recall Basic Biology?
we're about to test your rudimentary understandings of biology. Do you have the required knowledge?
Test Your Knowledge of Our Solar Neighborhood!
This quiz will put your knowledge of our solar system to the test!
Geography Quiz: Let's See What You Know of the World!
In order to pass this test you need to be a real man or woman of the world.
QUIZ: Can You Answer All of These Trick Questions?
Knowledge is a tricky thing. You can easily be deceived into thinking you know something you really don't. This trick question quiz is sure to throw you!
Take Our Quiz: Do You Know Basic Physics?
A quiz to test your knowledge and/or memory of basic physics!
Can You Guess the Answers to These Riddles About Nature?
Nature isn't just the inspiration for conventional forms of art, it can also be a great way to challenge your mind when phrased as riddles
These Riddles Will Definitely Test How Sharp You Are...
How sharp do you think you are? Take on these lateral thinking challenges and see if you can answer them all correctly. Good Luck!
Challenge: Can You Spot the Hiding Animal?
Sometimes, when we're not all that attentive, we can easily miss the wonderful things hidden in nature. Find out if you can spot the animals in the pictures.
You’ll Love Solving These Fun Little Riddles!
Give your brain a fun little workout and challenge yourself to solve all these riddles
Challenge Your Mind and See If You Can Solve These Riddles
See how you fair in these 5 popular logic riddles - they start out easy, but be prepared, the last one is pretty tough.
Test Your Mental Sharpness With These Brainteasers
See if you can figure out all of these brainteasers without peeking at the answers.
Can You Answer All 10 Old Riddles?
These riddles are over 70 years old, but I bet they can still kick your butt today. Care to try and beat all 10 questions?
How Many of These Clever Riddles Can You Answer?
How many of these riddles can you guess?
Can You Crack Our Riddles? Give it a Try!
Give your brain a work out with these difficult riddles. Our tip - Think outside the box!
You Don't Genius to Solve This, But it Surely Helps!
This isn't just another easy test - can you crack it?
These Riddles Will Really Mess With Your Brainbox!
If you're feeling like a smarty pants today, then we've got one heck of a treat in store for you, since these riddles will test your mental capacity to the max!
Riddle Me This: Test Your Logic by Solving Riddles!
These tricky riddles are not only fun but also will test your brain - give them a go, and see if you can solve them all!
Give Your Brain a Good Workout 10 Tricky Riddles!
These 10 challenging riddles will give your brain the exercise that it requires.
Spot the Differences & Test Your Observational Skills!
Only the most observant of people can find all the differences between these images. Are you one of that select band of clever clogs?
Let's Play a Game: Spot the Doubled Animal!
Are you ready for a quick game of wits? Let's see how fast you can locate the animals that appear twice in this game!
Have a Go at Solving These Tricky Murder Riddles
Halloween is just around the corner, so to get you in the mood, we've given you 11 murder riddles to solve. Do you think you have what it takes? Find out now.
What You See In These Images Will Tell You About Yourself
Many personality tests rely on your choices to determine your personality, but this optical illusion test will work entirely on your subconscious...
Are You a Riddle Master? Try Out These Tricky Brainteasers
If you love riddles, here are 10 tricky ones that will give you the challenge that you're craving.
This Riddle Proved Too Hard For Me, Can YOU Solve It?
Are you clever enough for this riddle?
Challenge: Are You Clever Enough For This Riddle?
A simple riddle that will drive you crazy!
Can You Correctly See What's Hidden in These Images?
Can you see what's really hidden in these images? Click on each one to find the answer.
Put Your Riddle-Solving Skills to the Test Here!
Here we've collected for you 8 challenging riddles for you to set your mind to. You can click on each riddle photo to discover the answer.
Can You Solve These 10 Tricky Riddles? Give It a Go!
If you love to test yourself with challenging riddles, then give these 10 a go!
Quick Test: Choose an Eye and Discover More About Yourself
The eyes are a window to the soul - choose yours and see what it says about you.
10 Tricky Riddles That Could Potentially Drive You Crazy!
Here are 10 tricky riddles that you might find challenging to solve...
Can You Guess These Ancient Riddles?
Can you solve these riddles thousands of years old?
Can You Beat These 8 Difficult Riddles? Give it a Go!
Are you a riddle master? Test yourself out with these 8 tricky riddles. We'd be surprised if you can answer them all!
The 1st Move You Make in Monopoly Can Say a Lot About You
Choose the game piece you'd like to play Monopoly with, and we'll tell you who you are!
Only a Few People Can See What's Hiding in This Image
What hides behind this red circle? Only a few can tell...
These 8 Fun Riddles Will Test You to the Max!
Do you think you're a riddle brainbox? If so, give these 8 tricky riddles a try!
Can You Solve These Tricky Little Riddles?
While some of us are good at solving riddles, others are just not. How do you do? Here are 9 tricky little riddles to put your brains to the test.
Can You Solve These 8 "Mind Blowing" Riddles?
These riddles will show you that brain-teasing isn't just for kids. Do you have what it takes to solve these 8? Give them a go to find out!
Can You Crack the Assassin's Riddle?
The following puzzle begins with a secret agent sneaking into a high-stakes poker game...
Can You Solve These 10 Most Intriguing Logic Puzzles?
Everyone loves a good logic puzzle, and I'm absolutely certain that you'll enjoy these. But can you figure out the answers? Click here now to have a go!
These Riddles Have Simple Answers, But Can You Find Them?
These riddles all have very simple answers, but may not be as easy to solve as they appear.
8 Tricky Riddles That'll Definitely Test Your Brain
Here are 8 challenging riddles that are bound to get your brain working.
Challenge: Think You Can You Crack These 5 Math Riddles?
Test your math knowledge with these 5 fun math riddles.
Can You Crack These 8 Challenging Riddles?
Do you think you're a bit of a riddle master? If so, give these 8 tricky riddles a go!
Brain Buster Challenge: Solve These Riddles!
These tricky riddles are a great way to get your mind thinking. Do you have what it to solve them?
Can You Count All the Tigers Hiding in This Photo?
It might look like there are but 4 tigers in this image, but there are a lot more. How many can you find? Click on the image to see how many there are.
Can You Solve These Fun Brainteasers?
Brainteasers are a great way to dust off your critical thinking skills. Here are 10 logic brainteasers that will either stump or stun you!