Which of the following metals was first discovered by man:

The cause of Malaria was discovered by:

The Scientist who first discovered that the earth revolves round the sun was

Radioactive waves were discovered by:

The 'Laws of Motion' were discovered by




Who discovered that plants have life?

DNA was discovered by

Radiation was discovered by:

Which of the following is the name of the smallest part of the matter discovered by the scientists?

How many species of living things are discovered up to date?