The ability of B. coagulans to grow in tomato juice depends upon the number of spores present the pH of the juice the availability of oxygen all of these TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following(s) is/are porteolytic or putrefactive decomposing proteins with the production of malodorous compounds such as H2S, mercaptans, ammonia, indole and skatole? C. putrifaciens C. sporogenes C. butyricum both (a) and (b) TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following strain(s), that grow in the jellies and candid fruits, are able to grow in sugar concentration upto 67.5%? Aspergillus Citromyces All of these Penicillium TRUE ANSWER : ? YOUR ANSWER : ?
The immediate source of the flat sour bacteria is usually the sugar starch plant equipment soil TRUE ANSWER : ? YOUR ANSWER : ?
The presence of viable non-spore forming bacteria in heat process canned foods indicates leakage of the container. Which of the following is responsible for the spoilage of leaky cans? Cooling water Plant equipment Highly acidic medium High sugar content TRUE ANSWER : ? YOUR ANSWER : ?
High acid foods with a pH above 5.3 are especially subjected to flat sour spoilage putrefaction TA spoilage both (a) and (b) TRUE ANSWER : ? YOUR ANSWER : ?
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 >4.5 >5.3 <5.3 <4.5 TRUE ANSWER : ? YOUR ANSWER : ?
Canned poultry is more often spoiled by Saccharomyces species Saccharolytic Clostridia than by putrefactive putrefactive than by Saccharolytic Clostridia Micrococcus species TRUE ANSWER : ? YOUR ANSWER : ?
Flat sour spoilage of acid foods is caused by B. pepo B. coagulans B. stearothermophillus both (a) and (b) TRUE ANSWER : ? YOUR ANSWER : ?
Sulfur stinker spoilage, caused by is uncommonly found in any of these medium acid foods high acid foods low acid foods TRUE ANSWER : ? YOUR ANSWER : ?