Which of the following is false about the nervous system of earthworm? 1. Nervous system is basi...

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Which of the following is false about the nervous system of earthworm?
1. Nervous system is basically represented by ganglia arranged on ventral nerve cord.
II. In 3 rd and 4th segment, the nerve cord bifurcates and joins the cerebral ganglia dorsally to form a nerve ring
III. In earthworm neurons are sensory, motor and adjustar
IV. The cerebral ganglia alongwith other nerves in the ring integrate sensory input as well as command muscular. responses of the body
(a) All
(b) Only IV
(c) Only III
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