Topic Details (Notes format)

Who is known as the "Iron Man of India"?

Who discovered the complement system?

Which part of the human eye controls the amount of light entering?

Which is the deepest known canyon in the solar system, located on Mars?

Which bone is commonly called the collarbone?

Which Greek letter is often used to denote an angle in polar coordinates, typically measuring from the positive x-axis?

Which element has the chemical symbol "Tl"?

Which is the nearest star to Earth after the Sun?

Which element has the chemical symbol "At"?

Which element has the chemical symbol "Np"?