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Earn 100

Read the given statements and select the incorrect one.
(a)In Hydra, all neurons are similar and join to form a nerve net.
(b)In earthworms, nervous system consists of a dorsal nerve cord, paired ganglia and segmental nerves.
(c)Brain is present in insects.
(d)Planaria has two nerve cords that join to form rudimentary brain.

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Important Questions on Neural Control and Coordination
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Neurons in sponges are:

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In the accompanying diagram of a part of the human body, the structures belonging to the central neural system are labelled as


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Afferent nerve fibre carries impulses from

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Skeletal muscles are controlled by

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In a human being, the number of cranial nerves are

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The , and cranial nerves are respectively

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In a man, abducens nerve is injured. Which one of the following functions will be affected?

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Which one of the following transmits impulses to central neural system?
