Riddles
Biology
Sports
Chemistry
Where is this city?
100

I have a spine but no bones. Many leaves but I'm not a plant. What am I?
Bonus: Explain it

A book.
Bonus: The spine holds the pages together, a leaf is a paper, and each side of the leaf is a page.

100

What is the largest organ?
Bonus: What is the largest internal organ?

Skin
Bonus: Liver

100

Who is Morocco going against this World Cup 2026 FIFA?

Haiti, Scotland, Brazil

100

What is the lightest element in the periodic table?

Hydrogen

100

Where is the city of Manchester?

England

200

I have many keys, but none of them open locks. I have space but no room. You can enter but can't go in, escape but can't leave. What am I?

A keyboard
200

What are the 4 nucleotide bases of DNA?
Bonus: What base is only in RNA?

Adenine, Thymine, Guanine, Cytosine
Bonus: Uracil

200

Which countries' favorite sport is Hockey?
Hint: There are 3

Canada, Finland, Latvia

200

What two elements of the periodic table are by default a liquid?

Bromine and Mercury
200

Where is the city of Sao Paulo?

Brazil

300

A man pushes his car to a hotel and tells the owner he is bankrupt. Why?

He's playing Monopoly

300

Which two penguin species exclusively live in Antarctica?

The Emperor and Adélie Penguin

300

How do you score 3 points instead of the standard 2 in basketball?

Score behind the three-pointer line.

300

What is a neutral pH?
Bonus: What is the difference in acidity between a pH of 3.0 and a pH of 4.0?

7
Bonus: a pH of 3.0 is 10 times more acidic than a pH of 4.0

300

Where is the city of Budapest?

Hungary

400

I am a word of 5 letters. Take away a letter and I am a form of energy. Take away two letters and you need me to live. Take away more letters, and you find me in every sentence. Take no letters, and I can fulfill one of your needs. What am I?

Wheat

400

What organ releases a hormone to lower glucose levels in the human body? Name both the organ and hormone

Pancreas, Insulin

400

What are the colors of the 5 rings on the Olympics, in order?

Blue, Yellow, Black, Green, Red (Left to Right)

400
What is the chemical symbol for eggshell?

CaCO3 (calcium carbonate)

400

Where is the city of Dar es Salaam?

Tanzania

500

I can make a new world, but I have no hands.
You can never feel pain, but every emotion can occur.
The moment you open your eyes to find me, I am gone.

A dream

500

Why does zabiha meat, according to science, taste better and last longer without spoiling?

A calm animal will not use up glycogen, allowing it to be converted into lactic acid via anaerobic respiration. This lowers the pH of the meat, making it tender and less allowing for bacteria to develop.

500

What is the most amount of Red Cards given in a soccer match?

36, between two Argentinean football clubs. They started fighting, so the referee gave red cards to all 22 players, the substitutes, and some of the coach staff.

500

What are the differences between a sulfite, a sulfate, a phosphate, and a phosphite?

A sulfate and sulfite have Sulfur as their central atom, a phosphate or phosphite have Phosphorus as their central atom.

Phosphate and sulfate bond with 4 oxygen atoms, sulfite and phosphite bond with 3 oxygen atoms.

500

Where is the city of Tashkent?

Uzbekistan