Question

Write True and False against the following statements:
(i) Addition of spices to pickles allows the micro organisms to grow quickly.
(ii) When making squashes, we make use of an acid and a lot of sugar for
preservation.
(iii) Sterilization increases the activity of enzymes and micro-organisms

Answer 1

Answer:

(i)False

(ii)True

(iii)False

Answer 2

Explanation:

i) False. The addition of the salt in the pickles helps to allow the microorganisms to grow quickly. The salt helps to encourages the growth of the good bacteria which helps the fermentation of the bacteria in the pickles.  

ii) True. The citric acid is used for the preservation of the food and the skincare products. Sodium benzoate and  potassium sorbate are also used in the fruit juices.

iii) False. The process of the sterilization reduce the presence of the micro-organisms and pollutants present in the water or the object.