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Actinomycetes & Non Sporing Anaero.
Algae
Antibody
Antigen Antibody Reaction
Antimicrobial Chemotherapeutic Agent
Bacillus
Bacteria
Bacteria Morphology
Bacteriophages
Brucella
Cell Cultivations
Clostridium
DNA Replication
DNA Sequencing, Mutation and Repair
Energy Release and Conservation
Enzyme Reaction
Enzymes Regulation
Fish and Sea Foods
Food Illness
Fruits and Vegetables
Fungi - Molds and Yeasts
Growth and Nutrition of Bacteria
Heated Canned Foods
Hepatitis Viruses
Identification of Bacteria
Immune Response
Immune System
Industrially Useful Microbial Processes
Micro Organisms
Microbes in Aquatic Environment
Microbial Genetics
Microbial Metabolism
Microbial Recomb. & Gene Transfer
Microbiology of Foods
Microbiology of Soils
Microbiology of Waste Water
Microorganisms and Disease
Milk and Milk Products
Miscellaneous Foods
Mycobacterium
Nucleic Acid Structure
Physical and Chemical Agents
Polymerase Chain Reaction
Poultry, Egg and Meat
Poxviridae and Picronaviridae
Protozon
Pseudomonas and Burkholderia
Retroviridae
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Sauerkraut and Pickles
Spirochacter and Enterobacteriaceac
Staplylococcus
Streptococcus
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Translation and Regulation
Vibrio, Aeromonas and Plesiomonas
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Viruses in Eukaryotes
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Home⇒ Medical Science⇒ Microbiology⇒ Cell cultures and characteristics
1-Dont try to cram or spend more time here just read it fast and cover syllabus then practice MCQ's cheptor of same topic to check your progress. . |
2-Wrong options are also given but dont concentrate there, Right answer is in bold format. |
Q21 ⇒ Cell size and cell number can be measured using coulter counter [other wrong options] [Discuss in forum] hemocytometer petroff-hausser counting chamber none of these |
Q22 ⇒ The concentration of agar to obtain semi solid media is 0.5% or less [other wrong options] [Discuss in forum] 1.5-20% >10% >10%but<20% |
Q23 ⇒ Mac-Conkey medium is an example of differential medium [other wrong options] [Discuss in forum] transport medium enrichment medium all of these |
Q24 ⇒ Which of the following techniques may be performed quantitatively to determine the number of bacteria of a particular type? Both (a) and (b) [other wrong options] [Discuss in forum] Pour plate Spread plate Streak plate technique |
Q25 ⇒ Which of the following problem makes it impossible to satisfy all of Koch's postulates? Microorganism cannot be isolated in pure culture [other wrong options] [Discuss in forum] Microorganism causes serious symptoms in humans Species of microorganism is in question Genes from the microorganism cannot be amplified by PCR |
Q26 ⇒ Viable plate count can be obtained using both (a) and (b) [other wrong options] [Discuss in forum] Spread plate method Pour plate method Hemocytometer |
Q27 ⇒ Treponema species from human oral cavity can be selected by using cell size and motility [other wrong options] [Discuss in forum] pH of the medium incubation temperature all of these |
Q28 ⇒ The medium which allows the growth of more than one microorganisms of interest but with morphologically distinguishable colonies is known as differential medium [other wrong options] [Discuss in forum] selective medium enrichment medium none of these |
Q29 ⇒ To select cholera-causing bacterium, Vibrio cholerae, the pH of the medium is maintained at a pH of 8.5 [other wrong options] [Discuss in forum] 8.9 6.79 3.5 |
Q30 ⇒ Important example(s) of enriched medium/media is/ are All of these [other wrong options] [Discuss in forum] Loeffler's serum slope Bordet-gengou medium Blood agar |
Q31 ⇒ Which of the following methods is most likely to be quantitative? Dilution and plating [other wrong options] [Discuss in forum] Gram staining Wet mount None of these |
Q32 ⇒ Which of the following chemotherapeutic agents may affect the growth of Campylobacter jejuni? None of these [other wrong options] [Discuss in forum] Vacomycin Polymyxin Trimethoprim |
Q33 ⇒ A disease producing species occurring in a mixed culture can often be selected on the basis of its pathogenic properties [other wrong options] [Discuss in forum] special carbon source special nitrogen source none of these |
Q34 ⇒ When a substance is added to a liquid medium which inhibits the growth of unwanted bacteria and favors the growth of wanted bacteria, it is known as enrichment medium [other wrong options] [Discuss in forum] differential medium enriched medium selective medium |
Q35 ⇒ Plate counts are often reported as cfu/ml [other wrong options] [Discuss in forum] cfu Both (a) and (b) thousands/ml |
Or |