The neural centre which controls sexual behaviour and the urge for drinking is associated with $:-$

Which of the following statements is correct regarding hypothalamic control of pituitary function?

The hypothalamus contains several groups of neurosecretory cells called:

The pituitary gland is under the control of ........

The appetite and satiety centres in the brain of man are located in the region of the

The site of origin of Gonadotropin Releasing Hormone $(GnRH)$ is $- P$.
The site of origin of Gonadotropin hormones is $- Q$.
Choose the correct option for $P$ and $Q$.
$\quad \quad P \quad \quad Q$