Microbiologists study microscopic organisms, either unicellular (single cell), multicellular (cell colony) acellular (lacking cells). It encompasses sub-disciplines such as virology, mycology, parasitological and bacteriology.
English, Biology, Chemistry and either Physics or Mathematics
Microbiologists are typically employed by colleges and universities (education), pharmaceutical companies, public health laboratories, medical research laboratories or institutes, biotechnology industries, Oil companies, water and food processing industries.
Read: The overview – NATURAL, LIFE AND PHYSICAL SCIENCES