microbiology questions

[jatt007]

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hi friends !
I wanted to know answers to some of the questions of micro...
1]

Microflora of healthy gingival sulcus is predominantly
a]gram negative anaerobic rods and fusobacteria
b]gram negative anaerobic cocci and gram positive facultative cocci

2]which unique aspect of cariogenic strain of strept mutans sets them apart from other oral acidogenic organisms.
a]secretion of proteolytic enzymes
b]extracellular polysaccharide made from glucose
c]formantion of water insoluble glucans from sucrose.

3] Bone lesion with radiopaque structures radiating from periphery..
a]osteosarcoma
b] multiple myeloma
thanks

 

[spvup]

1.
2. b
3. a

 

[write2dentist]

1.
2. b
3. a

i think it is
1. a
2. c
3. a