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 8
D
Ans 3:
Class : Class 8
the answer is c crickets donot have backbone. fish obviously has backbone snakes have flexible backbone(cartilage) and all reptiles have backbone
Ans 4:
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 5:
Class : Class 3
Option D has a backbone for sure so the answer should be either A,B or C.
Ans 6:
Class : Class 10
According to scientific facts all reptiles have backbone . If they didn't have a backbone they couldn't crawl .