Author Biography: achernar

The game is simple: some of the world's greatest mountain ranges will give a brief description of themselves, and you have to guess who they are. Enjoy yourself!

On the basis of its chemical composition, matter is classified into 'elements', 'compounds' and 'mixtures'. In this quiz, I'll give a substance or a brief description of one, and you tell me whether it's an element, compound or mixture. Enjoy! Recommended for grades: 6,7,8

Look at the series, determine the pattern, and find the value of the unknown number!

As you get the answers to the questions in this quiz, you'll begin to see a pattern developing...have fun!

Unscrupulous tourism industry entrepreneurs are desperately trying to portray their solar system bodies as ideal tourist destinations through their brochures. Can you say which they are advertising? Recommended for grades: 7,8,9

How much much are you aware of about the planet we live on, the third planet from the Sun? Take this true/false quiz, and see how much you know. Recommended for grades: 8,9,10

In this quiz, I'll give a few lines about a metal, and you have to say which metal I'm talking about. Enjoy! Recommended for grades: 9,10,11

This quiz tests your familiarity with letters from the Greek alphabet that have pervaded almost every field of science, technology and mathematics. You should do fine even if Ancient Greek isn't quite your forte...have fun!

A cell is "the fundamental structural and functional unit of all life forms". This quiz is all about what a typical animal cell is made up of, and how the various parts of a cell function.

A quiz on linear equations in one variable to re-live old memories of high school math. All answers are positive integers. You might want to make a note of the answers as you progress. Enjoy! Recommended for grades: 8,9,10

Malnutrition is seldom heard of in developed countries, but unfortunately, in third-world countries, it is the cause of a large number of deaths. Take this quiz to see what you know about nutritional deficiency diseases.

New to the fabulous world of organic chemistry? Then this quiz is just what you need; enjoy! Recommended for grades: 11,12

When one utters the word 'chemical', what most people envision is a mad scientist in a lab-coat mixing brightly-coloured liquids, bubbly test-tubes, and frequent explosions. This quiz focuses on the more "down-to-earth" aspects of chemistry.

The human eye is among the most complex and versatile optical instruments- whether natural or human-made- found on Earth. Take this quiz and see what you know about this remarkable photoreceptor organ which most of us are fortunate enough to possess.

Approximately 85% of the world's population believes in the existence of 'God', 'gods', or simply - the 'divine' (Source: CIA World Factbook). However, their beliefs about its *nature* aren't the same...

Farming is the occupation which keeps us all fed; without which we'd all starve. But how aware are you of what goes on behind the scenes? Step into a farmer's shoes and see how much you know.

A quiz on the major rivers of India, all you need is a rough idea of the paths of the more important rivers, and you should have no problems at all. Have fun!

A right triangle is nothing but a triangle which has one angle having a measure of 90 degrees. Test your knowledge about these, in a mixture of practical and theoretical questions. (Don't worry, no trigonometry involved!)

The world's ten longest rivers; a brief description will be given of each of them, and you have to say which ones they are. Please enjoy!

The word "symbiosis" means "the living together in more or less intimate association or close union of two dissimilar organisms". This quiz focuses on "mutualism", i.e. symbiotic relationships where both organisms benefit. Enjoy!

Like the title says- a quiz containing an assortment of extremely long words. Have fun!

Seeing the tremendous popularity of "common bond"-type quizzes, I decided to create one myself, themed on science and technology. The final answer, a fruit, is in some way related to the answers to the first 9 questions. Enjoy!

Most elements react with oxygen to form compounds called *oxides*. See how much you know about the various oxides of elements presented here. Recommended for grades: 11,12

Based on information provided to you about a number, you have to say what that number is. Though a pencil and paper might be helpful, they aren't strictly necessary. Enjoy!

Baking soda- sodium hydrogencarbonate (commonly referred to as sodium bicarbonate)- is an indispensable ingredient in most baked goods which we consume; see how much you know about this compound.

Test your knowledge of this set of lazy elements... and enjoy! Recommended for grades: 11,12

A blend of questions on the subject of science...enjoy!

How well do you know the constellations?

Sorry to disappoint Modern Art-enthusiasts...this quiz has nothing to do with van Gogh's famous picture; rather, it's about all the twinkling specks of light that we can see (with or without optical aids) in the night sky. Enjoy!

Stranded in the middle of nowhere in the Northern Hemisphere, completely disoriented, don't know which is the way home...what could be more helpful than the Pole Star to guide you? Take this quiz and see how much you know about the Pole Star.

The imaginary unit, i, may seem out-of-this-world, but it really isn't; take this quiz and test your familiarity with i and the wonderful world of complex numbers. Enjoy!

A senior person in Saddam Hussain's inner circle, whose antics during the 2003 American war earned him the nickname "Baghdad Bob", and after the downfall of the Ba'ath Party, found himself a large cult following! Take this quiz and find out who, and how.

This wide, wide world contains an incredible variety of animals. Among these are the not-so-well-known coelenterates. Some of you may ask- what in the world is a 'coelenterate'? Take this quiz and learn something new!