The hormone having a stimulatory effect on the heart is

Which of the following hormones have the direct effect on $BP$ (Blood Pressure)?

$I.$ Thymosin   $II. PRL$    $III. MSH$    $IV.$ Adrenaline    $V.$ Non-adrenaline

Select the option containing the correct pair

Match the following:

 $\begin{array}{|p{0.3\linewidth}|p{0.6\linewidth}|} \hline Column\,\,-I & Column\,\,-II   \\ \hline (1)\,\,Oxytocin & (p)\,\,Stimulates\,\,the\,\,secretion\,\,of\,\,thyroid\,\,hormone \\ \hline (2)\,\,Vasopressin & (q)\,\,Act\,\,on\,\,the\,\,smooth\,\,muscles  \\ \hline (3)\,\,FSH\,\,\& \,\,androgens & (r)\,\,Stimulates\,\,resorption\,\,of\,\,water  \\ \hline (4)\,\,TSH  & (s)\,\,Regulate\,\,spermatogenesis  \\ \hline \end{array}$

Which hormone is secreted more in dark condition

Occurrence of diuresis following saline ingestion is due to

Which of the following is master gland of our body