-
Algae is a nonvalid taxinomic term that refers to
A. eukaryotic organisms that have chlorophyll a and produce O2
B. well developed cellular structure including a conducting system
C. Both (a) and (b)
D. none of the above -
The canned acid foods such as pineapple, tomatoes and pears have been found spoiled by C. pasteurianum. Such spoilage is more likely when the pH of the food is
A. >4.5
B. <4.5
C. >5.3
D. <5.3 -
High acid foods with a pH above 5.3 are especially subjected to
A. flat sour spoilage
B. putrefaction
C. both (a) and (b)
D. TA spoilage