Which of the following is $NOT$ under the control of the $Vagus$ nerve?

Which of the following statements are correct?
$(i)$ $Ramus$ $dorsalis$ branch of spinal nerve contains sensory as well as motor nerve fibres.
(ii) The preganglionic nerve fibres arise from the entire spinal cord.
(iii) There are $31$ pairs of spinal nerves.
(iv) The somatic nervous system transmits impulses from $CNS$ to visceral organs.
$(v)$ Reflex action is a sudden,thoughtful,and voluntary response to the applied stimulus.
Select the correct option.

Regulation and coordination by cells = $P$
Regulation and coordination by chemicals = $Q$
Select the correct option for $P$ and $Q$.
$\quad\quad \quad P\quad\quad\quad Q$

Which of the following cranial nerves are classified as mixed nerves?

Identify the location and function of the following structures:
$(1)$ Cone cells
$(2)$ Ear ossicles

Where is postganglionic sympathetic cholinergic innervation found?