Answer the following qustions

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BMS (241 )
2015-2016
INAYA MEDICAL COLLEGE
Prof. Dalia M. Mohsen
[ Section :- 1] Answer the following qustions:1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
What is Microbiology?
What are Microorganisms?
Characteristics of cell ?
Enumerate types of Microorganisms?
Enumerate structures outside cell wall of bacteria?
Enumerate flagella arrangement.
Enumerate the extracellular structure?
Functions of bacterial capsule.
Mention bacterial virulence factors ?
Enumerate Euokaryotic cells?
[section 2]-Fill the missing spaces
1-Bacteria are ------------ organisms. Because they have -------------, the
cells are described as prokaryotic.
2-Science deal with the study of Bacteria is called------,While science
deals with Virus is called----------,with the Fungus ------------ and with
Algae is called-----------.
3-Mitochondria, Golgiapparatus ,Ribosomes ,Endoplasmic reticulum
,Nucleus and lysosome are present in -----------------cells, but ------------only is present in Prokaryotic cells.
4-Cell wall is present in both prokaryotic cells and --------------cell from
Euokaryotes.
5-Ribosomes are -------------S in prokaryotes but ---------------Euokaryotes.
S in
6-Most bacteria are -------------– maintain a single shape, and few are ------ they can have many shapes.
7-Cocci that remain in pairs after dividing are called ------------, Cocci
that divide in two planes and remain in groups of four are called ----------, and Cocci that divide in multiple planes and form grape like clusters
are called -----------.
8-----------have a helical shape and fairly rigid bodies but ------ look like
curved rods.
9-From structures outside cell wall of bacteria is ------------ which
Anchored to the wall and membrane by the basal body and used for
movment.
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10-Cocci that remain in chains after dividing are called---------------- are star-shaped and it is a type of unusual bacteria.
11- ---------- antigen is present in Flagella.
12- Flagella is made of protein called --------------.
13-In gram positive bacteria flagella basal body consists of ------rings
(one pair ) while in gram negative bacteria flagella basal body consists
of -----------rings (two pairs of rings).
14------------flagella have one flagella at one pole while --------flagella
distributed all over the body,----------------are tuft of flagella at one pole
and -------------one flagella at both poles.
15-Bacteria move ---------movement by flagella but by axial filament
bacteria move ------------movement.
16-The presence of a capsule can be determined by -------staining.
17-Spiral bacteria that move by means of an --------------are called
spirochetes .
18-Fimbriae and pili are short and hair like appendages , Made up of
protein called ----------.
19----------- used to transfer DNA from one cell to another by
conjugation .
20- The main component of bacterial cell wall .----------21-Gram negative bacteria have ----------- membrane surrounding a thin
peptidoglycan layer and have no -------- acids.
22-Mycobacteria Cell Wall Contains----------------------- (waxy layer)
instead of Peptidoglycan layer.
23----------- are the smallest known bacteria ,Lack cell wall
Sterols in plasma membrane protect them from lysis.
24-The process of endospore formation is called ------------; the return of
an endospore to its vegetative state is called-----
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[Section:- 3]-Choose the correct answers:1-True cells include the following Except
a-Fungi
b- Viruses
c-Bacteria
d-Human cell.
2- Eukaryotes include:
a-Virus.
b-Protozoa.
c- Fungi.
d-Both b,c.
3-Prokaryotic cell has no:a-Ribosomes.
b-Cell wall.
c- Mesosome.
d-True nucleus.
4- Prokaryotes include:
a-Fungi.
b-Human cell.
c-Bacteria.
d-Virus.
5- The baterial cell multiply by:
a-Binary fission
b- Budding
c-Sexual multiplication
d- Mitosis .
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6-Cell wall of Gram negative bacteria contains the following EXCEPT
a-Teichoic acid
b- Lipopolysaccharide.
c-Peptidoglycan.
d- outer membrane
7-Cell wall of Gram positive bacteria contains the following EXCEPT:a-Teichoic acid
b- Peptidoglycan.
c- plasma membrane.
d-lipoprotein.
8-Plasmid is:abcd-
A gene within bacterial chromosome.
Extrachromosomal DNA.
A bacteriophage gene.
All of the above.
9-Site of protein synthesis in Bacteria is:abcd-
Ribosomes.
Mesosomes.
Chromosomes.
Cytoplasmic membrane.
10-Which of the following statement is true regarding Flagellum.
abcd-
Short, rigid structure.
Lipopolysaccharide in nature.
Protein in nature.
Adherence.
11- Bacteria with flagella around the cell is:
a-Monotrichous.
b-Lophotrichous.
c- Peritrichous.
d-Amphitrichous.
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12- A bacterium with one flagellum at each end is grouped under
…………..Flagella:
a-Monotrichous.
b-Amphitrichous.
c-Peritrichous.
d-Lophotrichous.
13- Protect bacteria from unffavorable environmental conditions:a-Cell wall
b-Capsule
c-Spore
d-Flagella
14-One of the following is NOT virulent factor:
abcd-
Cell wall peptidoglycan
Polysachharide capsule.
Pilli
Axial filament.
15- Which of the following is present in the wall of gram negative
bacteria and not in the gram positive bacteria.
abcd-
Teichoic acid.
Peptidoglycan.
Phospholipid.
lipoprotein.
16-Protect the organism from phagocytosis.
abcd-
Capsule.
Spore.
Flagella.
Cell wall.
17- Phospholipid bilayer and proteinis a component of Bacterial :-
abcd-
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Cell wall.
Cytoplasmic membrane.
Capsule .
Spore.
18- Pili have two functions:a- Nutrients uptake and storage.
b- Motion (locomotion) and nutrient uptake.
c- Conjugation and adherence to cells.
d- Typing of Bacteria.
19-The nuclear material of prokaryotic cell (bacteria)has no:abcd-
Nucleoli.
Nuclear membrane.
Histones.
All of the above.
20- The following are essential structure in bacterial cell.
abcd-
Nuclear body.
Fimbria.
Inclusion granules.
Capsule.
21- The following structure is NOT essential in bacterial cell:abcd-
Ribosomes.
Cell membrane.
Flagellum .
Chromosomes.
22- Selective permeability is the function of :abcd-
Cell wall.
Cytoplasmic membrane.
Capsule.
Spores.
23- Sex pili is responsible for.
abcd-
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Bacterial adhesion.
Bacterial motility.
Gene transfer.
Bacterial replication
(Section :- 4) Put true or False :1. Viruses are consider non true cell
{-----------}
2. Bacteria and Archea are Eukaryotic cells {--------------}
3. Monotrichous flagella means flagella at bacteria both poles {----------}
4. Mitochondria consider one from bacteria virulence factors {--------------}
5. Capsule presents outside bacterial cell wall {----------}
6. H- antigen is flagellar antigen {---------------}
7. Pilli is used in bacterial conjugation for transport of DNA from cell to
another one {-------}
8. Axial filament used for bacterial attachments {--------}
9. Flagella is virulent structure for movement and escaping from host
immunity {---------}
10. curved shape bacteria is spirochetes {-----------}
11. Micro-organisms are very small organisms have seen by
naked eye {-----------}.
12. Protozoa is prokaryotic cell {---------------}
13. Both bacteria and Archea are prokaryotic cells {-----------}
14. Tetrads are cocci are divided at two planes {-----------}
15. Eukaryote comes from the Greek words for true nucleus{---------------}
16. Membrane bound organelles present in both Prokaryotic and
Eukaryotic cells{-----}
17. Most bacteria are pleomorphic and maintain its shape {-----------}.
18. Sarceina is a type of bacterial Bacilli that divided in 3 planes of
division(…………).
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19. Lophotrichous Flagella means Flagella distributed all over bacterial cell
(……….).
20. Streptbacilli is Atypical bacterial morphology (……………..).
21. Stella is typical bacterial morphology (…………).
22. Mycoplasma is a type of bacteria lack cell wall (……………).
23. Mycobacterium is bacteria contain lipid in their cell wall (………).
24. Phycology is the science deals with Fungi (…………).
25. Mycology is the science deals with Algea (…………).
Good luck
prof. Dalia M. Mohsen
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