Algae is a nonvalid taxinomic term that refers to

  1. 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

  2. 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

  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