Biology
Chemistry
Math
Science
Just for fun
100

The process in which plants use carbon dioxide and water in the sunlight

Photosynthesis

100

What is the main component (compound) of the human body?

Water around 70%

100

At our school's elevator it says: "Maximum of 630 kg and 9 people". So how much must be our weights in the average?

70 kg

100

The largest planet in our solar system, famous for its Great Red Spot

Jupiter

100

What’s the name of the wizarding school in Harry Potter?

Hogwarts

200

The process in which cell uses the glucose and oxygen to produce energy

Cellular respiration

200

Which element forms in our ears to protect our ear drums from the insects?

S (sulfur)

200

Humans produce about 1.5 liters of saliva per day. How much saliva would be produced in October?

46.5 L

200

What is the largest ocean on Earth?

Pacific

200

What goes up but never comes down?

Age

300

 The largest organ in the human body

Skin

300

What is the formula for the glucose?

C6H12O6

300

A human hair grows an average of 0.35 mm per day. How long would it take for your hair to grow 105 cm? 

3000 days or around 8.22 years 

300

Who firstly showed that electricity may affect muscles by electrifying dead frogs?

Luigi Galvani

300

Mount Everest is located on the border of which two countries?

Nepal and China

400

The substance in red blood cells that carries oxygen

Hemoglobin

400

Main element in the hemoglobin

Fe (iron)

400

If you take 5 breaths in 20 seconds, what is your respiratory rate in breaths per minute?

15 breaths/minute

400

Why do we see lightning before we hear thunder?

Speed of light

400

How many months in a year have 28 days?

Every month

500

What is the part of the brain which controls fear?

Amygdala

500

What is called as the stomach acid?

Hydrochloric acid (HCl)

500

If you count 32 beats in 15 seconds as in "We are your friends" movie, what is your heart rate in beats per minute thereby?

128 beats/minute

500

The name for the scale that compares the hardness of different minerals.

Mohs' scale

500

Who is the only goalkeeper who had received Ballon d'Or?

Lev Yashin, 1963