Everyday Science

Endocrine System & Hormones MCQs With Answer

What is the primary function of the endocrine system?
a) Digestion of food
b) Regulation of hormones
c) Transportation of oxygen
d) Production of red blood cells

Answer
b) Regulation of hormones

Which gland is known as the “master gland” of the body?
a) Thyroid gland
b) Adrenal gland
c) Pituitary gland
d) Pancreas

Answer
c) Pituitary gland

Which hormone regulates blood sugar levels?
a) Insulin
b) Adrenaline
c) Oxytocin
d) Melatonin

Answer
a) Insulin

Which gland produces insulin?
a) Thyroid gland
b) Pancreas
c) Adrenal gland
d) Pituitary gland

Answer
b) Pancreas

Which hormone is responsible for the “fight or flight” response?
a) Insulin
b) Adrenaline
c) Oxytocin
d) Thyroxine

Answer
b) Adrenaline

Which endocrine gland is located in the neck?
a) Pituitary gland
b) Thyroid gland
c) Adrenal gland
d) Pancreas

Answer
b) Thyroid gland

Which hormone controls metabolism?
a) Thyroxine
b) Insulin
c) Estrogen
d) Cortisol

Answer
a) Thyroxine

What is the primary function of cortisol?
a) Regulating metabolism
b) Managing stress response
c) Controlling blood sugar
d) Stimulating growth

Answer
b) Managing stress response

Which hormone helps regulate sleep cycles?
a) Insulin
b) Adrenaline
c) Melatonin
d) Estrogen

Answer
c) Melatonin

Which gland produces melatonin?
a) Thyroid gland
b) Pineal gland
c) Adrenal gland
d) Pituitary gland

Answer
b) Pineal gland

Which hormone is responsible for regulating calcium levels in the blood?
a) Calcitonin
b) Oxytocin
c) Insulin
d) Estrogen

Answer
a) Calcitonin

Which gland produces testosterone?
a) Ovaries
b) Pancreas
c) Testes
d) Pituitary gland

Answer
c) Testes

Which hormone is primarily responsible for female reproductive development?
a) Testosterone
b) Estrogen
c) Insulin
d) Oxytocin

Answer
b) Estrogen

Which gland is responsible for producing estrogen?
a) Testes
b) Ovaries
c) Pancreas
d) Thyroid gland

Answer
b) Ovaries

Which hormone plays a key role in childbirth and lactation?
a) Insulin
b) Oxytocin
c) Cortisol
d) Melatonin

Answer
b) Oxytocin

Which gland releases growth hormone?
a) Thyroid gland
b) Adrenal gland
c) Pituitary gland
d) Pancreas

Answer
c) Pituitary gland

Which hormone helps regulate blood pressure and water balance in the body?
a) Insulin
b) Antidiuretic hormone (ADH)
c) Oxytocin
d) Adrenaline

Answer
b) Antidiuretic hormone (ADH)

Which gland releases aldosterone, a hormone that controls sodium balance?
a) Pituitary gland
b) Adrenal gland
c) Thyroid gland
d) Pancreas

Answer
b) Adrenal gland

Which disorder is caused by the insufficient production of insulin?
a) Hyperthyroidism
b) Diabetes mellitus
c) Addison’s disease
d) Cushing’s syndrome

Answer
b) Diabetes mellitus

Which gland is affected in hypothyroidism?
a) Pituitary gland
b) Thyroid gland
c) Adrenal gland
d) Pancreas

Answer
b) Thyroid gland

Which hormone stimulates milk production in breastfeeding women?
a) Oxytocin
b) Prolactin
c) Insulin
d) Estrogen

Answer
b) Prolactin

Which hormone is commonly referred to as the “stress hormone”?
a) Melatonin
b) Cortisol
c) Insulin
d) Testosterone

Answer
b) Cortisol

Which gland is part of both the endocrine and digestive systems?
a) Thyroid gland
b) Adrenal gland
c) Pancreas
d) Pituitary gland

Answer
c) Pancreas

Which hormone is released during fasting to increase blood sugar levels?
a) Insulin
b) Glucagon
c) Cortisol
d) Oxytocin

Answer
b) Glucagon

Which condition results from excessive growth hormone production in adults?
a) Dwarfism
b) Acromegaly
c) Hyperthyroidism
d) Diabetes

Answer
b) Acromegaly

Which hormone is responsible for female secondary sexual characteristics?
a) Testosterone
b) Estrogen
c) Melatonin
d) Insulin

Answer
b) Estrogen

Which hormone is important in regulating mood and emotional well-being?
a) Serotonin
b) Cortisol
c) Oxytocin
d) Glucagon

Answer
a) Serotonin

Which gland secretes epinephrine and norepinephrine?
a) Pituitary gland
b) Adrenal gland
c) Pancreas
d) Thyroid gland

Answer
b) Adrenal gland

Which endocrine disorder is caused by overproduction of thyroid hormones?
a) Hypothyroidism
b) Hyperthyroidism
c) Addison’s disease
d) Diabetes mellitus

Answer
b) Hyperthyroidism

Which gland plays a role in immune system function by producing thymosin?
a) Thyroid gland
b) Thymus gland
c) Pituitary gland
d) Adrenal gland

Answer
b) Thymus gland

Related Articles

Leave a Reply

Your email address will not be published. Required fields are marked *

Back to top button