Maximum types of microorganisms carved on pencil leads
The record for carving out the names of the maximum number of types of microorganisms on pencil leads was set by Vishnuja K.J. (born on May 4, 1996) of Thrissur, Kerala. She carved out the names of 7 types of microorganisms: Algae, Archaea, Bacteria, Fungi, Helminths, Protozoa and Virus on 7 different pencil leads, as confirmed on April 30, 2021.