JKSSB Mock Tests

Identify the INCORRECT statement regarding invertebrates from the options given below.

A. They have open circulatory system as there is no organisation in the distribution.
B. They have radial or bilateral body symmetry.
C. They have a pair of solid nerve cords, situated ventrally and bearing segmentally arranged ganglia.
D. They possess a backbone and an internal skeleton.
Answer: Option D
Solution (By JKSSB Mock Tests Team)
By pure biological definition, invertebrates completely lack a vertebral column (backbone) and an extensive internal bony skeletal structure, which are essentially the exclusive hallmarks of vertebrate animals.
This Question Belongs to: General science Biology set 1
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