Question

1.which of the following is a desirable change
a)burning of house b)floods c)landslides
d)burning of cooking gas
2.which of the following is an example of periodic change
a)eruption of volcano b)heart beat
c)car accident d)landslides
3.which of the following is desirable change
a)earthquake b)car accident
c)blooming of bud d)landslide
4.changes which are desired to occur are known as——
a)desirable change b)undesirable change
c)periodic change d)non periodic change
5.changes brought about by a person or by nature which are harmful are known as
a)Desirable change b)undesirable change
c)periodic change d)non periodic change
6.souring of milk is an example of ——change
a)Desirable change b)undesirable change
c)periodic change d)non periodic change
7.changes that occur again and again after a fixed interval of time and their recurrence can be predicted are called
a)non periodic change b)periodic change
c)Desirable change d)undesirable change
8.changes that do not repeat themselves at regular intervals of time and cannot be predicted are called
a)periodic change b)non periodic change
c)Desirable change d)Undesirable change
9.Generation of high and low tides in the sea is an example of—-
a)undesirable change b)Desirable change
c)periodic change d)non periodic change
10.Train accidents are an example of—-
a)periodic change b)Desirable change
c)undesirable change d)non periodic change

Answer 1

Answer:

burning of cooking gas

Answer 2

Answer:

1 burning of cooking gas