Who is Joseph Priestly?

Analogy: Oxygen: Joseph Priestley. Nitrogen:_____

Who is considered as the founder of mycology ?

Places A and B are 30 km apart and they are on a straight road. Humid travels from A to B on bike. At the same time Joseph starts from B on bike, travels towards A. they meet each other after 20 minutes . If Joseph would have started from B at the same time but in the opposite direction (instead of towards A) Hamid would have caught up with him after 3 hours . find the speed of Hamid and Joseph .

Who is the first ape man?

Who discovered viroids and virusoids. ?

Who discovered the pollen tube ?

What is nuclein ? Who isolated it?