Question

In earthworm, neurons are

• A. Motor
• B. Sensory
• C. Adjustor
• D. All of the above

Answer 1

The correct option is D All of the above

The nervous system of earthworm consists of central, peripheral and sympathetic nervous system. The central nervous system consists of two ganglia, which are connected with the nerve cord. It consists of a motor, sensory and adjustor neurons. Sensory neurons carry the information from the effector organ to the brain and the brain transmits the signals to the effector organ by motor nerves. Adjuctor neurons are the connecting link between sensory and motor. So, the correct answer is option D.