The process of food preservation in which bacteria is allowed to grow against the harmful bacteria is called…………….
a)fermentation
b) dry salting
c) pickling
d) canning
Pasteurization means………..
a) freezing at a certain temperature to keep food microbe free
b) heating at a certain temperature to keep food microbe free
c) drying at a certain temperature to keep food microbe free
d) heating to change the colour of the food
