Secretion of aldosterone in birds, man and other mammals is stimulated by
Fall in concentration of $Na^+$ in blood plasma
Rise in concentration of $K^+$ in blood plasma
Both $(a)$ & $(b)$
Fall in $Ca^{++}$ concentration in blood plasma
Which one of the following hormone is antiinflamatory
$I.$ The adrenal cortex secretes many hormones called corticoids $II.$ Corticoids involved in carbohydrate metabolism are called glucocorticoids $III.$ Cortisol is main glucocorticoids $IV.$ Aldosterone is the main mineralocorticoids
Select the correct combination from the given options
If a human female starts developing male characteristics like beared, degeneration of uterus and ovaries, enlargement of clitoris etc. It may be due to
Feeling the tremors of an earthquake, a scared resident of seventh floor of a multistoreyed building starts climbing down the stairs rapidly. Which hormone initiates this action?