Fresh meat is putrefied by

Which of the following is an antibiotic?

Penicillin was discovered while observing the inhibition of growth of which organism?

Identify the correct statements from the following:
$(A)$ Microbes have been used for centuries.
$(B)$ Not all microbes are pathogenic.
$(C)$ There are various methods to culture microbes in a nutrient medium.
$(D)$ Fungi,Cycas,viruses,and bacteria are examples of microbes.

Where are microbes found?

Bordeaux mixture was first used in: