Question

What are desirable and undesirable change give example

Answer 1

Desirable Changes: Those changes which are desired to occur that is, we want them to take place are known as desirable changes.

Examples: ripening of fruits, germination of seeds etc.

Undesirable change: Those changes which we do not want to take place are called undesirable changes.

Examples: rusting of iron, souring of milk, rottening of fruits etc.

Hope this helped!

Answer 2

Explanation:

desirable change:- curling of milk , ripening of fruits, germination of seeds

undesirable change :- rotting of fruit, curdling of milk rusting of iron