Identify which of the following are endocrine glands?
$I.$ Liver,$II.$ Salivary gland
$III.$ Pituitary gland,$IV.$ Thyroid
Choose the correct option.

Mention the names of the endocrine glands present in humans.

Which of the following pairs of hormones are not antagonistic (having opposite effects) to each other?

Fill in the blanks:
$Hormones$ $Target$ $gland$
$(a)$ $Hypothalamic$ $hormones$ .....................
$(b)$ $Thyrotrophin$ $(TSH)$ .....................
$(c)$ $Corticotrophin$ $(ACTH)$ .....................
$(d)$ $Gonadotrophins$ $(LH, FSH)$ .....................
$(e)$ $Melanotrophin$ $(MSH)$ .....................

Select the mismatch pair with respect to hormones.

Endocrine glands produce,or the action of endocrine glands is mediated through: