SCIENCE
NERVOUS SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The number of cranial nerves in frogs is.
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7 pairs
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8 pairs
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10 pairs
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12 pairs
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Explanation:
Detailed explanation-1: -There are 8 pairs of cranial nerves present in frogs.
Detailed explanation-2: -Frogs have ten pairs (20 numbers) of cranial nerves as compared to human, which have 12 pairs. They arise from the brain and innervate to the different parts of the body. They may be sensory or motor in nature.
Detailed explanation-3: -So, the correct answer is ‘Amphibia. ‘
Detailed explanation-4: -They are – Olfactory, Optic, Oculomotor, Trochlear, Trigeminal, Abducens, Facial, Auditory, Glossopharyngeal, and Vagus. So, 10 pairs is the correct answer.
Detailed explanation-5: –Amphibians have a Dicondylic skull with the presence of the 10 cranial nerves.
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