World Knowledge Quiz
Test your knowledge about geography, science, and general facts
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Quiz Questions & Answers
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Question 1: How many continents are there on Earth?
5
6
7
8
Question 2: Which of these gases is toxic to humans?
Oxygen
Carbon Monoxide
Nitrogen
Helium
Question 3: What is the capital city of Brazil?
Rio de Janeiro
São Paulo
Brasilia
Santos
Question 4: Which organ in the human body produces insulin?
Liver
Pancreas
Kidney
Heart
Question 5: What is the best natural source of Vitamin C?
Milk
Orange
Rice
Egg
Question 6: Which animal typically sleeps while standing?
Cow
Horse
Dog
Goat
Question 7: How many players make up a basketball team on the court?
4
5
6
7
Question 8: Who is credited with discovering electricity?
Benjamin Franklin
Isaac Newton
Thomas Edison
Nikola Tesla
Question 9: Which is the smallest continent?
Europe
Australia
Africa
Asia
Question 10: What is the freezing point of water?
0°C
-5°C
5°C
10°C
Question 11: What is the largest bird in the world?
Eagle
Ostrich
Swan
Turkey
Question 12: What is the capital of South Africa?
Cape Town
Pretoria
Durban
Bloemfontein
Question 13: Which organ filters blood in the human body?
Heart
Kidney
Lung
Brain
Question 14: How many vowels are there in the English alphabet?
4
5
6
7
Question 15: Which gas is commonly used in welding?
Oxygen
Nitrogen
Acetylene
Helium