CTET 2 Math and Science 10 Jan 2023 Paper

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Question : 80 of 150
 
Marks: +1, -0
Match the process in Column-I with its description in Column-II.
Column - I
Column - II
(A)
Pasteurisation
(i)
Adding specific substances to food items to prevent its spoilage
(B)
Fermentation
(ii)
Boiling and sudden cooling of milk to prevent the growth of bacteria
(C)
Vaccination 
(iii)
Conversion of sugar into alcohol by the action of yeast
(D)
Preservative
(iv)
Introducing inactive or weakened disease causing micro-organism into an animal's body to trigger its immunity response
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