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Question

Find out the incorrect statement w.r.t nervous system of frog.(Rana tegrina)

A
There are ten pair of spinal nerves
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B
Brain is covered by two meninges
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C
Medulla oblongatia passes through the foramen magnum and continues into spinal chord
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D
Cerebrospinal fluid is absent
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Solution

The correct option is C Cerebrospinal fluid is absent
D. Cerebrospinal fluid is absent
EXPLANATION: Cerebrospinal fluid ( CSF ) is a clear, colorless body fluid, which is present in brain. This fluid acts as a buffer. It serves a vital function in the cerebral autoregulation in cerebral blood flow. In complex species the absorption of CSF is becomes more enhanced. The amount of CSF varies by size and species.

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