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The question pertains to the anatomy of the nervous system in amphibians, specifically the frog (Rana tigrina), which is a standard model organism in the NEET biology syllabus.
Cranial nerves are the nerves that emerge directly from the brain. In vertebrates, the number of cranial nerves varies across different classes. Humans possess 12 pairs, whereas amphibians like frogs possess a different count.
Based on the anatomical study of the frog's brain, there are exactly 10 pairs of cranial nerves that arise from the brain. These include the olfactory, optic, oculomotor, trochlear, trigeminal, abducens, facial, auditory, glossopharyngeal, and vagus nerves.
Final Answer: 10