Starch agar and CRYEMA - Table 1
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Assessment
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Glynis glynisalmeida2@gmail.com
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Biology
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University
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13 plays
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Medium
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15 questions
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1.
Multiple Choice
How is the presence of amylase determined?
By addition of iodine
By addition of litmus solution
By addition of methyl orange
By addition of phenolphthalein
2.
Multiple Choice
Which dye is included in the culture media for testing rhizobium species?
Phenol red
Congo red
Phenolphtalein
Methyl red
3.
Multiple Choice
What kind of a media is CRYEMA?
General purpose
Selective
Differential
Enriched
4.
Multiple Choice
What happens to starch agar when the appropriate organisms are grown upon it?
The colonies produce fluorescent pigment
Starch in the agar is hydrolysed to glucose by the amylase produced
The organisms from the colonies become motile
The colonies show abnormal colony characteristics
5.
Multiple Choice
What happens when iodine is added to the starch agar on which amylase producers have been cultivated?
The agar plate becomes airborne and becomes free of earth's gravitational field
The amylase production increases tremendously
The colonies burn with a purple flame
The area around the colonies show a zone of clearance that remains white or turns slightly brown, while rest of the plate turns a dark blue color.
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