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BACTERIA
1- Which of the following is common in all bacteria ?
A- The presence of chlorophyll B- Consumption of oxygen C- Protein syhthesis D- Chemosynthesis
E- Presence of flagella
2- Which of the following describes reproduction of bacteria ?
A- Conjugation B- Isogamy C- Heterogamy D- Regeneration E- Binary fission
3- Which of the following is present in a procaryotic cell ?
A- Mitochondria B- Mesosome C- Chloroplast D- Lysosome E- Centriole
4-Which of the following is not member of the phylum monera ?
A- Blue green algea B- Virus C- Bacteria D- Rhizopoda E- Bacillus
5- Which of the following organisms are saprophytic ?
A- Animals B- Bacteria C- Plants D- Virus E- Protista
6- Bacteria, blue green algea and viruses belong to kingdom
A- Monera B- Protista C- Fungi D- Plant E- Animals
7- Which of the following organisms are important in recycling organic materials ?
A- Virus B- Bacteria C- Blue green algea
D- Rhizopoda E- Sporozoa
8- Which of the following diseases isnt caused by bacteria ?
A- Tuberculosis B- Cholera C- Diphtheria D- Pneumonia E- Influenza
9- Useful bacteria are used in the production of
A- Beer B- Antibiotic C- Yoghurt
D- Disease E- Allof them
10- Bacteria arent classified according to..
A- Shape B- Habitats C- Nutrition
D- Gram staining E- Oxygen dependency
11- If bacteria use sunlight as an energy source , they are known as..
A- Saprophytic B- Chemotrophs C- Hetetrophic D- Phototrophic E- Parasites
12- Which of the following diseases is caused by Mycobacterium tuberculosis ?
A- Typhoid B-Pneumonia C- Tuberculosis
D- Cholera E- Typus
13- Which of the following diseases is caused by
Salmonella typhosa ?
A- Typhoid B-Pneumonia C- Tuberculosis
D- Cholera E- Typus
14- Which of the following diseases is caused by Diplococcus pneumonia ?
A- Typhoid B-Pneumonia C- Tuberculosis D- Cholera E- Typus
15- Which of the following diseases is caused by Vibrio cholerae ?
A- Typhoid B-Pneumonia C- Tuberculosis D- Cholera E- Typus
16-Which of the following features is common for all bacteria ?
A)They use flagella for movement
B- They can live both in aerobic and anaerobic environments
C- They cant live in anaerobic environment
D- They are autotrophic or hetetrophic
E- They reproduce asexually
17Which of the following statement is true for both virus and bacteria ?
a) Energy synthesis is present b) Ribosomes are present c) Both have cell membrane d) Both have their own genetic code e) Both have an enzyme system
18-Which of the following is member of the kingdom monera
A) Rhizopoda B) Sporozoa C) Spirillium
D) Ciliata E) Flagellata
19-- Bacteria reproduce by means of
A)Fission B)Budding C)Spores D)Flowers E)Tissue culture
20- Why are the bacteria termed as prokaryotic organisms ?
a)They dont have cell wall
b)They have cell membrane c) They have nuclear membrane d) They dont have nucleus
21- Which is not found in a typical bacterial cell ?
a) Mitochondria b) Cell wall c) Cell membrane d) DNA
22- According to which of the following are the bacteria can not be classified ?
a) Oxygen dependency b) Reaction to gram stain
c) Cell type d) Nutrion
23- Which of the following metabolic activities is not possible in pathogenic bacteria due to lack of enzymes ?
a) DNA replication b) Protein synthesis c) ATP synthesis d) Digestion of foodstuffs e) Cellular respiration
24- Which of the following is not a member of the phylum monera ?
a)Cocci b) Bacillus c) Spirillum d) Vibrio e) Rhizopoda
25-In bacteria, anaerobic respiration takes place in
A- Chlorophyll B- Ribosome C- Mesosome
D- Cytoplasm E- Cell wall
26-In bacteria, aerobic respiration takes place in..
A- Chlorophyll B- Ribosome C- Mesosome
D- Cytoplasm E- Cell wall
27- In order for plants to obtain the necessary nitrogen, the free nitrogen in the air must be converted to nitrates. This is done by
a)legumes. b) bacteria of decay.
c) nitrogen fixing bacteria. d) denitrifying bacteria.
28- Which bacterial type appears spiral or helically coiled?
a) spirillum b) bacillus c) coccus
d) all of the above e) none of the above
29- Which of the following structures is found in a bacterial cell?
a)Golgi apparatus b) endoplasmic reticulum c) ribosomes
d) mitochondria e) nuclear membrane
30- What is the correct sequence in the phases of the bacterial growth curve?
a) lag, exponential, stationary, death
b) exponential, stationary, lag, death
c) exponential, lag, stationary, death
d) stationary, exponential, lag, death
e) stationary, lag, exponential, death
31- The genetic material of bacteria is found in
a) Nucleus b) Cytoplasm c) Cell membrane d) Ribosome
32- Which of the following life activities is not done by the all bacteria?
a) Photosynthesis b) Respiration c) Growth d) Reproduction
33-Bacteria are poisoned by oxygen are termed:
a). aerobes b). cyanobacteria c). obligate aerobes d). facultative anaerobes e). obligate anaerobes
34- Which is not found in a typical bacterial cell ?
A- Cell wall B- Mitochondria C- Cell membrane D-DNA
35 -Which of the following isnt a member of the kingdom monera?
A- Bacteria B- Virus C- Blue green algea d) Paramecium
36 -Which of the following diseases isnt caused by bacteria ?
A- Tuberculosis B- Cholera C- Influenza D- Pneumonia E- Diphtheria
37- Which category of nutrition is bacteria that use light for energy and organic matter for a carbon source?
a). Saprotrophs b). Chenoheterotrophs c). Chemoautotrophs d). Photoautotrophs e). Photoheterotrophs
38. Which category of nutrition is green sulfur bacteria?
a). Saprotrophs b) Chemoautotrophs c)chemoheterotrophs d). Photoautotrophs e). Photoheterotrophs
39. All the following are nutritional relationships EXCEPT:
a). commensalism b). Mutualism c). parasitism d). saprophytic e). none of these
40-Aerobic bacteria need:
a) oxygen b) corbondioxide c) water d) ovaries
41-Which of the following is not classified according to its nutrition?
a) photosynthesis b) saprophates c)aerobs d)parasites
42-Which of the following features is common for all bacteria?
a) They cannot live in anaerobic environment
b) They use flagella for movement
c) They can live both in aerobic and anaerobic environments
d) They are phagosynthetic
e) They reproduce asexually
43-Which of the following organelles is similar to bacteria?
a) ribosome b) lysosome c) centriole
d) chloroplast e) golgi body
44- Structural components common to plant cell walls but not part of bacterial cell walls include which of the following?
1- Peptidoglycan 2- Cellulose 2- Cellulose 3- Lignin
A- 1 only B- 2 only C- 1 and 3 only
D- 2 and 3 only E- 1,2 and 3
46- The diagram below illustrates the growth curve of a certain bacteria in a controlled environment.
Which time period represent the meximal growth acceleration of the bacterial population?
A- Between hours 2 and 4
B- Between hours 4 and 6
C- Between hours 6 and 8
D- Between hours 8 and 10
E-Between hours 10 and 12
48-Select the bacterial genus that is composed of many pathogenes:
a)azobactor b)clostridium c)Escherichia d.paramecium e.bacillus
49-Heterocysts are found in cyanobacteria and function in:
a) reproduction b)respiration c)digestion d) nitrogen fixation e)photosynthesis
51- Which of the following life activities is not done by the all bacteria?
a)photosynthesis b)respiration c)growth d)reproduction