Consider the following events: 1) First reptiles 2) Fi

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Consider the following events:

1) First reptiles

2) First insects

3) Shelled animals

4) First mammals

Arrange the above events in the chronological order of their origin on the Earth, and select the correct answer from the codes given below:

?????????? ?????? ?? ????? ????:

?)???? ??????

?) ????? ???

3) ??? ???? ?????

4) ???? ???????? mammal

??????? ?????? ?? ?????? ?? ???? ???????? ?? ???????????? ???? ??? ????????? ????, ?? ???? ??? ?? ??? ?? ??? ????? ?? ??? ????:

[UPPSC 2018 GS P1]

A

2 1 3 4

B

2 3 1 4

C

3 2 1 4

D

2 4 1 3