Read the following statement regarding the nervous system of a frog and choose the correct option to fill in the blanks (A) and (B). In the peripheral nervous system of a frog, exactly 10 pairs of nerves arise from the (A) and are known as (B).

Step-by-step solution

According to NCERT, the peripheral nervous system of a frog consists of cranial and spinal nerves. There are exactly 10 pairs of cranial nerves, which arise from the brain. Therefore, the nerves arising from the brain (A) are the cranial nerves (B). The other options incorrectly pair the origin and nomenclature of these nerves. Answer: (A) Brain, (B) Cranial nerves