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100

What is the saltiest sea in the world?

The Dead Sea.

100

Which actor played Jack Sparrow in the Pirates of the Caribbean series?

Johnny Depp

100

Which particle has a negative electric charge?

Electron

100

Which country has the largest land area in the world?

Russia

100

What is the medical term for high blood pressure?

Hypertension

200

Which marine creature can regenerate lost limbs and even parts of its heart?

The starfish (sea star).

200

Which film franchise features the characters Frodo, Gandalf, and Aragorn?

The Lord of the Rings

200

What is the most abundant gas in the Earth’s atmosphere?

Nitrogen

200

Which country is both an island and a continent?

Australia

200

Which organ is primarily affected by hepatitis?

The liver

300

What sea separates Europe from Africa?

The Mediterranean Sea

300

In Avengers: Endgame (2019), which Infinity Stone does Tony Stark use to defeat Thanos?

All six Infinity Stones, but he primarily wields them via his own Nano Gauntlet

300

What type of bond involves the sharing of electron pairs between atoms?

Covalent bond

300

What is the capital city of Canada?

Ottawa

300

Which vitamin is essential for blood clotting?

Vitamin K

400

Which deep-sea fish is known for its bioluminescence and “angler” method of attracting prey?

The anglerfish

400

Who played the Joker in The Dark Knight (2008)?

Heath Ledger

400

What is the main difference between prokaryotic and eukaryotic cells?

Eukaryotic cells have a nucleus; prokaryotic cells do not

400

Which European country has the most islands

Sweden.

400

What is the mechanism of action of penicillin?

It inhibits bacterial cell wall synthesis

500

Which marine mammal is known for having the largest brain of any animal?

The sperm whale

500

What movie features the fictional company “Weyland-Yutani”?

Alien series

500

Which spacecraft, launched in 1977, is the farthest human-made object from Earth as of 2025?

Voyager 1

500

Which country has this flag?

Cuba

500

What is the name of the protein whose accumulation in the brain is linked to Alzheimer’s disease?

Beta-amyloid