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GATE Biotechnology / Life Sciences Mock Test - Microbiology

GATE mock test Microbiology

1. Which one of the following is the most appropriate technique to determine the relatedness of two bacterial species.
Dna hybridisation
Doubling time measurement
plasmid profiling
biochemical chracterization
2. Which one of the following phages undergoes non integrative lysogenic phase?
P1
T7
M13
Lambda
3. Which one of the following is Not a part of human microbiome?
Bacteroides fragilis
Streptococcus suis
Lactobacillus casei
Propionibacterium acnes
4. Resident macrophages of --- are called Kupffer cells.
Brain
liver
lung
kidney
5. The enzyme responsible for generation of hypochloroous ions during phagocytosis is
NADPH oxidase
catalase
superoxide dismutase
myeloperoxidase
6. Teichoic acid is composed of repetitive units of
glucose
glycerol
N acetyl glucosamine
Keto deoxy octanoic acid
7. Biofilm produced by bacteria is detected by
Saffranin
Congo red
Basic fuchsin
Malachite green
8. The precursor for the synthesis of aromatic aminoacids is
oxaloacetate
pyruvate
alpha ketoglutarate
phosphoenolpyruvate
9. Of the following, most effective method to kill bacterial endospores is
Moist heat sterilization
UV irradiation
filtration
pasteurization
10. The class of enzymes, which catalyze addition of groups to double bonds and non hydrolytic removal of chemical groups, is
lyase
transferase
hydrolase
oxidoreductase
Score =
Correct answers:
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