Q. Which of the following falls in the low acidic group?

View solution

Q. Which of the following is true about clostridium botulinum?

View solution

Q. Which of the following is true about corn?

View solution

Q. Which of the following organisms have a high resisting effect at high temperatures?

View solution

Q. Which of the following is true about clostridrium botulinum?

View solution

Q. Which of the following spore forming bacteria may lead to overcooked and degraded canned food?

View solution

Q. Thermophilic flat sour spoilage is due to _____

View solution

Q. Statement 1: Thermophilic flat sour spoilage generally doesn’t take place at home.
Statement 2: Thermophilic flat sour spoilage has one difficulty that there is only formation of acids and no gas leaks.

View solution

Q. Niti and Reeti go shopping. Niti picks up a pickle bottle which is slightly bulged. Reeti immediately asks her to keep it back saying that he bulging means it is spoiled. What could be the reason for the bulging?

View solution

Q. Niti brings home two packets. One is a pickle bottle and the other a tomato soup packet. After opening the packet, reading the expiry date and smelling them she realizes that they’re both spoiled. Which of these two would she anyway haven’t known (other than the expiry date) to be spoiled without opening?

View solution

Q. What change in pH should be made to tomato soup to increase its preservation?

View solution

Q. Which of the following is a reason for the addition of spice oils to certain foods for the reason of preservation?

View solution

Q. Statement 1: Salt inhibits the heat resistance of bacteria.
Statement 2: Phosphate ions are important in spore formation.

View solution

Q. Statement 1: Longer heating time is required to kill spores as the concentration of sugar increases.
Statement 2: Sugar helps in the preservation of food whereas salt does not.

View solution

Q. If fats and oils prevent bacteria spore formation and help in pore formation, why is it difficult to kill yeast in a salad dressing?

View solution

Q. Which of the following statements with respect to activation energy are true/is true?

View solution

Q. Statement 1: With the increase in temperature, the enzyme gets deactivated.
Statement 2: With the increase in temperature, the enzyme gets reactivated.

View solution

Q. Reeti subjected all of these enzyme based food items to heat. Which among these did not get deteriorated?

View solution

Q. Statement 1: Destruction of the phosphate based enzyme in milk after heat treatment is an indication that several pathogens have been destroyed.
Statement 2: Destruction of the peroxide based enzyme in fruits after heat treatment is an indication that several pathogens have been destroyed.

View solution

Q. Statement 1: Sterilization value of steam depends largely on the transfer of heat of vaporization to the object upon which it condenses.
Statement 2: Canned food items which heat up by convection heat up faster than those by conduction.

View solution