The bold head person is called in Hindi as _____

First person to give Azan (Athan) was

Biggest producer of potato in the world

What is a person who studies viruses called

Which radiation helps to synthesize Vitamin-D in our Body

Which is the first antibiotic?

Artificial Heart is Invented/discovered by

What illness is 'pertussis'

Which animal causes the bubonic plague?

Pure It Water Purifier is manufactured by