Riddle 1
Riddle 2
Anatomy
Science 1
Science 2
100

You see me once in June, twice in November and not at all in May. What am I?

The letter "E"

100

Two fathers and two sons are in a car, yet there are only three people in the car. How?

There's the grandfather, father and son

100

How many teeth does an adult human have?

"32"

100

What is the hardest natural substance on earth?

Diamond

100

What is the chemical symbol for gold?

Au

200

What five letter word becomes shorter when you add two letters to it?

Short

200

If two's company, and three's a crowd. What are four and five?

Nine

200

What is the main organ of the respiratory system?

The lungs

200

What is the chemical symbol for water?

H2O

200

What is the study of fungi called?

Mycology

300

A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many  eggs are left unbroken?

Three

300

What building has the most stories?

The library

300

What system is responsible for breaking down food?

The digestive system

300

What gas do plants absorb from the atmosphere?

Carbon Dioxide

300

Which planet is known as the red planet?

Mars

400

A man is standing in the rain without an umbrella or hat and didn't get a single hair on his head wet. Why?

He is bald

400

It belongs to you, but other people use it more than you do. What is it?

Your name

400

Which part of the brain controls balance and co-ordination?

Cerebellum

400

How many bones are there in the adult human body?

"206"

400

What is the largest mammal on earth?

Blue Whale

500

They look like twin brothers, both sturdy and tall. They work together and go everywhere together. But they only go near solid food and do not care for soup. Who are they?

Chopsticks

500

If you're running in a race and you pass the person in second place, what place are you in?

Second place

500

What part of the eye controls light entry?

The pupil

500

Which force pulls objects towards the earth?

Gravity

500

How many planets are there in our solar system?

Eight