Select the correct statements regarding sympathetic nervous system.

i. It consists of 31 pairs of sympathetic ganglia.

ii. It is also called cranio- sacral outflow.

iii. It controls body activities like fight and flight

iv. Pre-ganglionic fibres are long and post response. ganglionic fibres are short.

v. Adrenaline is produced towards terminal end of post-ganglionic fibres.

In a polarised state of nerve membrane, sodiumpotassium exchange pump actively restores the ions on their appropriate side because ________ against concentration electrochemical gradient.

Cranial nerve $\underline{\mathrm{i}}$ is also called pneumogastric, $\underline{\mathrm{i}} \underline{\mathrm{i}}$ is also called vestibulocochlear, and iii is also called Dentist's Nerve.

Match the parts of human eye in Column I with their respective characteristics in Column II.

Choose the correct option from below.