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The external surface of the body of the insects is hard, which is called………..
a) exoskeleton                    

b) endoskeleton
c) both a and b                    

d) none of these


……….is the hard part found inside the body.
a) exoskeleton                     

b) endoskeleton
c) both a and b                    

d) none of these


Insects have;
a) Four jointed legs                             

b) No legs
c) Six jointed legs

d) Eight jointed legs



Which of the following is/are the example/s of worms?
a) earthworms                     

b) tapeworms
c) Ascaris                                              

d) all of these


The body of insect is divided into ………..parts.
a) 2        

b) 3                        

c) 4        

4) 5


The biggest group of invertebrates is;
a) Worm                                               

b) Insects
c)Jelly fish                             

d) None of these