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Subject :NSO    Class : Class 5

Which among the given animals does not have backbone?

A

B

C

D


Ans 1:

Class : Class 5
i think it is option a b and c

Ans 2:

Class : Class 5
According to scientific facts all reptiles have backbone . If they didn't have a backbone they couldn't crawl .

Ans 3:

Class : Class 2
According to Known Scientific facts options a) b) and c are non vertebrate so why are Options a and b are not part of right answer? At times quality of questions raise a doubt about due diligence being put in articulating the questions .

Ans 4:

Class : Class 5
the answer is c crickets donot have backbone. fish obviously has backbone snakes have flexible backbone(cartilage) and all reptiles have backbone

Ans 5:

Class : Class 8
D

Ans 6:

Class : Class 3
Option D has a backbone for sure so the answer should be either A,B or C.

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