Most of the hormones of which gland are peptide in nature?

Match List-$I$ with List-$II$ :

List-$I$	List-$II$
$A$. Cortisol	$I$. Stimulates the formation of alveoli in mammary glands
$B$. Aldosterone	$II$. Produces anti-inflammatory reactions
$C$. Cholecystokinin	$III$. Stimulates reabsorption of $Na^+$ and water from renal tubule
$D$. Progesterone	$IV$. Stimulates secretion of pancreatic enzymes and bile juice

Choose the correct answer from the options given below :

$A$ person placed in a cold environment cannot exhibit which of the following?

The nervous system and endocrine glands are

Match the name of the hormone in Column-$I$ with its source of secretion in Column-$II$ and its function in Column-$III$.

Column-$I$	Column-$II$ $\&$ Column-$III$
$(a)$ Prolactin	$(m)$ Pituitary gland,$(q)$ Development of lactiferous tubules
$(b)$ Estrogens	$(l)$ Graafian follicle,$(r)$ Secondary sexual characters in females
$(c)$ GnRH	$(n)$ Hypothalamus,$(s)$ Stimulates release of $FSH$
$(d)$ Androgen	$(o)$ Interstitial cells,$(p)$ Secondary sexual characters of males

Which of the following statements are true/false?
$(a)$ Calcitonin regulates calcium metabolism.
$(b)$ Oxytocin stimulates contraction of uterine muscles during childbirth.
$(c)$ Graves' disease is caused by the underactivity of the adrenal gland.
$(d)$ $ADH$ stimulates water reabsorption and increases urine production.