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In which animal, nerve cell is present but brain is absent?
(a)Sponge
(b)Honey bee
(c)Cockroach
(d)Hydra

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Important Questions on Neural Control and Coordination
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Read the given statements and select the incorrect one.

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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?
