Bacteria and Gram Staining - Mock Test 17

Question 161

Interferon is formed by?

A) Lymphocytes B) Lymphoblasts C) Fibroblasts D) All of these

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Question 162

The percentage of O2 required by moderate anaerobe is?

A) 0% B) < 0.5% C) 2 – 8% D) 5 – 10%

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Question 163

Autolysis is done by?

A) Mitochondria B) Lysosomes C) Golgi bodies D) Peroxisomes

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Question 164

Enterotoxin responsible for food poisoning is secreted by?

A) Enterococci B) Entamoeba histolytica C) Enterobacteriaceae D) Straphylococci

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Question 165

Aspergillus fumigatus can infect?

A) Birds B) Animals C) Man D) All of them

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Question 166

Following Cocci are non-motile except?

A) Staphylococcus B) Meningococcus C) Gonococcus D) Rhodococcus agilis

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Question 167

Gram staining is an example for?

A) Simple staining B) Differential staining C) Negative staining D) None of these

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Question 168

Mordant used in grams staining is?

A) Crystal violet B) Iodine C) Saffranin D) All of these

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Question 169

Recombination process occurring through the mediation of phages is?

A) Conjunction B) Transduction C) Transformation D) Transfection

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Question 170

The ce l ls hav ing F p lasm id in the chromosomes were termed as?

A) Hfr B) F– C) Hbr D) C

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