The function of pineal body is
Lightening of the skin colours
Seasonal and circadian sexual behavior
To regulates the period of puberty
All of these
By which gland the somatostatin is secreted?
Pineal
Thyroid
Pituitary
Hypothalamus
Which of the following does not secrete any hormone?
Spleen
Ovary
Testes
Pancreas
Serotonin is secreted by
Pineal gland
Mast cells
Adipose tissue
Both 1 and 2
The function of pineal organ in higher vertebrates is
Secretion of serotonin
Secretion of melatonin
Inverse circadian rhythms
In human beings, which hormone function as a stimulant for milk production?
prolactin
contisol
estrogen
protesterone
Neurohypophysis secretes
ADH and oxytocin
Oxytocin and estrogen
Vasopression and GH
Vasoppressin and estrogen
Chemically, hormones are
proteins
steroids
biogenic manures
all of these
Which of the following hormone is a steroid?
thyroxine
progesterone
epinephrine
prostagladin
Steroid hormones are almost similar in structure to
tryosine
cholesterol
triglyceride
coenzyme-A