6. Which of the following is NOT a mode of bacterial reproduction?
a) binary fission
b) conjugation
c) budding
d) mitosis
7. Bacteria that can survive in extreme conditions, such as hot springs or deep-sea vents, are called:
a) methanogens
b) halophiles
c) thermophiles
d) psychrophiles
8. Which of the following diseases is caused by the bacterium Streptococcus pyogenes?
a) tuberculosis
b) pneumonia
c) strep throat
d) gonorrhea
9. Antibiotics are commonly used to treat bacterial infections. How do antibiotics work?
a) they directly attack and destroy bacterial cells
b) they boost the immune system to fight off bacteria
c) they prevent bacterial cells from reproducing
d) they prevent bacteria from entering the body
10. Which of the following is an example of a beneficial bacterium?
a) E. coli
b) Salmonella
c) Lactobacillus acidophilus
d) Clostridium botulinum
