Which of the following statements is INCORRECT regarding macula lutea?

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.