Topic Details (Notes format)

Which element is known as the basis of organic life?

Which type of electromagnetic radiation has a wavelength shorter than visible light but longer than X-rays?

Which layer of Earth’s atmosphere absorbs most of the ultraviolet radiation from the Sun?

Which mathematician introduced the Cartesian coordinate system in ‘La Géométrie’?

What is the SI unit of electric current?

Which city in the Netherlands is known for its canals, museums, and Anne Frank House?

Which bird is often called the symbol of peace?

Who composed the National Song of India, "Vande Mataram"?

Who discovered roentgenium?

Who discovered the structure of collagen?