Bacteria and Gram Staining - Mock Test 4

Question 31

Organism resistant to degradative lysosomal enzymes includes?

A) M.tuberculosis B) Legionella pneumophila C) M.leprae D) Both a and b

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Question 32

Wet mount slide preparations are used in microbiology as they allow to see?

A) Size and shape of individual organisms B) Characteristic arrangement or grouping of cells C) Motility of the organism D) All of these

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Question 33

Ziehl – Neelson stain is a ______?

A) Simple stain B) Counter stain C) Differential stain D) None of them

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Question 34

In Gram positive bacteria, ratio of RNA to DNA is?

A) 8 : 1 B) 1 : 2 C) Almost equal D) None of these

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Question 35

Endemic typhus is caused by?

A) R.mooseri B) R.quintana C) R.prowazekii D) any of them

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Question 36

Cholera occurs in _______ form?

A) Endemic B) Epidemic C) Sporadic D) all

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Question 37

Staphylococcus aureus are characterized by?

A) Formation of acid in sucrose, dextrose B) Liquification of gelatin due to production of gelatinase C) Strains are catalase positive D) All of above

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Question 38

Diagnosis of bacterial disease can be made by?

A) Finding bacteria in pathological fluids B) Isolation of bacteria by culture from exudates or blood C) Both a and b D) None of these

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Question 39

Tinea capitis is?

A) Ring worm of the foot B) Ring worm of scalp C) Ring worm of non-hairy skin of body D) Both a and c

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Question 40

Those fungi which do not have a sexual stage are classified as?

A) Phycomycetes B) Ascomycetes C) Basidiomycetes D) Fungi imperfecti

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