41) By which organisms greenhouse gases like Nitrous oxide and methane can be produced in major
Ans) Bacteria
Biology Test Biology Test Biology Test
42) The most adaptable and versatile in all organisms is
Ans Bacteria
43) In which micro-organism hormone is generally absent
Ans) Bacteria
44) What is the AIDS virus
Ans) Single-stranded RNA
45) What does the virus contain
Ans) Single-strained RNA
46) What does the virus contain
Ans) Nucleic acid and protein
47) What are rod-shaped bacteria called
Ans) Bacillus
48) By which penicillin is produced
Ans) By a mould
49) What do pathogenic bacteria secrete
Ans) Antigens
50) From which antibiotic penicillin is extracted
