Topic Details (Notes format)

Which is the hardest substance in the human body?

Which subatomic particle discovered by J.J. Thomson carries a negative charge?

In which European city is the Van Gogh Museum located?

Who discovered the mechanism of phototransduction?

In which city is the Brandenburg Gate, a famous historical monument in Germany?

Which Indian festival celebrates the bond between brothers and sisters?

Which Roman structure was used for gladiatorial contests, also called the Flavian Amphitheatre?

What is the hardest natural substance on Earth?

Which continent is known for having the most countries?

What process do plants use to convert sunlight into chemical energy?