General Knowledge

Question 1

What is the largest organ in the human body?

Accepted Answer

The skin

Question 2

What is the chemical symbol for gold?

Accepted Answer

Au

Question 3

How many continents are there?

Accepted Answer

7

Question 4

What is the hardest natural substance on Earth?

Accepted Answer

Diamond

Question 5

Which planet is known as the Red Planet?

Accepted Answer

Mars

Question 6

What is the largest ocean on Earth?

Accepted Answer

The Pacific Ocean

Question 7

What year did the Berlin Wall fall?

Accepted Answer

1989

Question 8

What is the speed of light approximately?

Accepted Answer

300,000 kilometers per second (186,000 miles per second)

Question 9

Which country has the most time zones?

Accepted Answer

France (12 time zones including overseas territories)

Question 10

What is the smallest country in the world by area?

Accepted Answer

Vatican City

Question 11

What is the most spoken language in the world by native speakers?

Accepted Answer

Mandarin Chinese

Question 12

What is the longest river in the world?

Accepted Answer

The Nile River (approximately 6,650 km)

Question 13

Which element has the atomic number 1?

Accepted Answer

Hydrogen

Question 14

What is the capital of Australia?

Accepted Answer

Canberra

Question 15

How many bones are in the adult human body?

Accepted Answer

206

Question 16

What is the tallest mountain in the world?

Accepted Answer

Mount Everest (8,849 meters / 29,032 feet)

Question 17

Who invented the telephone?

Accepted Answer

Alexander Graham Bell (patented in 1876)

Question 18

What is the currency of Japan?

Accepted Answer

Yen

Question 19

What percentage of Earth's surface is covered by water?

Accepted Answer

About 71%

Question 20

Which blood type is considered the universal donor?

Accepted Answer

O negative

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