Subject :NSO Class : Class 7
Which of the following does not have bones and moves with the help of contractions and expansions of the body?
(a) 
(b) 
(c) 
(d) 
Ans 1:
Class : Class 7
I think it's option b earthworm
Ans 2:
Class : Class 7
Ans 3:
Class : Class 5
option B
Ans 4:
Class : Class 7
option B