Question

When microorganisms grow in food they cause varying degrees of change in the food's characteristics as a result of metabolic activity. Some of these changes, like those taking place during fermentation, are desirable, while others, like those resulting in food spoilage and food poisoning, are undesirable. You will need :
Six empty clean glass jars, magnifying glass, food samples.
Take six empty clean jam / pickle glass jars with lid.
Label them A,B,C,D,E & F
What to do:
Put the left over food namely fruit chaat in bottle A, poha in bottle B, chips in bottle C, raitha in
bottle D, bread in bottle E and biscuit / papad in bottle F and shut them tight.
Keep the bottles in a corner for a week. (Remember to put them in a place from where nobody
would throw them away, finding the contents disgusting).
What changes do you think took place in those jars, after 3 days and a week later

Answer 1

Answer:

their Colour may change and their smell