Download Microbiology Worksheet

Microbiology Worksheet
1. Which of the following would have a prokaryotic cell?
a.
a monkey
b.
bacteria
c.
mosquito
d.
fern
e.
tree
2. There are two types of viruses: active viruses and latent viruses. An active virus reproduces
and destroys the cell it attacks, where as a latent virus:
a.
injects its hereditary material into a cell and immediately destroys the cell
b.
injects its hereditary material with the active virus
c.
injects its hereditary material into the host cell and becomes part of the cell's existing
hereditary material without destroying the cell or making new viruses
d.
injects its hereditary material into the host cell and remains does not harm, change, or
destroy, the cell in any way
3. Microorganisms can be
groups.
, working alone or
, working in
4. A virus is a a tiny, non-living particle that invades and multiplies inside a living cell.
a.
True
b.
False
5. A bacteriophage is a virus that infects bacteria.
a.
True
b.
False
6. A vaccine is a virus's genetic material.
a.
True
b.
False
7. A bacterium is a single-celled organism with a prokaryotic cell type.
a.
True
b.
False
8. The food that bacteria consume is called flagellum.
a.
True
b.
False
9. Conjugation results in bacteria that are genetically alike.
a.
True
b.
False
10. An endospore is a dormant form of a bacteria cell.
a.
True
b.
False
11. In pasteurization, heat is used to rid food of harmful bacteria.
a.
True
b.
False
12. A parasite is a protein on the outside of a virus.
a.
True
b.
False
13. Bacteria and other prokaryotes often reproduce through a process called
.
14. Bacteria are EUKARYOTES.
a.
True
b.
False
15. Which of the following is true about a virus?
a.
they are non-living
b.
they do not have nucleus or organelles
c.
they can not be seen with light microscope
d.
they do not have a cell membrane
e.
all of the above
16. What do viruses require to make copies of themselves?
a.
food
b.
light
c.
water
d.
host cell
17. Explain the difference between binary fission and conjugation.
18.
bacteria.
is the process of heating food to a temperature that kills harmful
19. A micro-organism can only be seen using a microscope?
a.
True
b.
False
20. Bacteria can reproduce quickly
a.
True
b.
False
21. Which of the following would MOST LIKELY reproduce through binary fission?
a.
E. Coli bacteria
b.
Starfish
c.
Chimpanzees
d.
All of the above
22. Viruses can multiply only when they are OUTSIDE living cells.
a.
True
b.
False
23. Most biologists today consider viruses to be NONLIVING.
a.
True
b.
False
24. These organisms are members of the domain Bacteria and their cells lack a nucleus
25. Anton van Leeuwenhoek was a German who discovered single-celled organisms in droplets
of pond water.
a.
True
b.
False
26. Microscopic germs that get inside your body and can potentially cause an infection.
a.
disease
b.
benign
c.
mutation
d.
pathogens
27. All bacteria are harmful to humans
a.
True
b.
False
28. Bacteria are one-celled organisms found nearly everywhere on your body.
a.
True
b.
False
29. Give at least 3 differences between bacteria and a virus
30. List the steps of how a bacterium multiplies.
31. Which of the following is NOT a common shape for bacteria?
a.
Cocci
b.
Flagella
c.
Bacilli
d.
Spirilla
32. Sketch how a virus infects a cell.