Last updated on December 9th, 2023 at 10:01 pm
If you are looking for MCQ on Endocrine System then you are on the right place.”Test your knowledge of the Endocrine System with these multiple-choice questions (MCQs) covering hormones, glands, and related disorders.”
What are hormones?
a) Ductless glands
b) Chemical messengers
c) Target cells
d) Cellular activities
Answer: b) Chemical messengers
Which gland secretes insulin and glucagon?
a) Thyroid gland
b) Pituitary gland
c) Pancreas
d) Thymus
Answer: c) Pancreas
What is the normal blood glucose level?
a) 20-40 mg/100ml
b) 50-80 mg/100ml
c) 70-110 mg/100ml
d) 120-150 mg/100ml
Answer: c) 70-110 mg/100ml
What type of diabetes is related to defective insulin production due to beta cell destruction?
a) Type 1 diabetes
b) Type 2 diabetes
c) Gestational diabetes
d) Prediabetes
Answer: a) Type 1 diabetes
Which hormone produced by the thyroid gland regulates growth and brain development?
a) Calcitonin
b) Insulin
c) Thyroxine
d) Glucagon
Answer: c) Thyroxine
What is the condition characterized by an enlarged thyroid due to iodine deficiency?
a) Diabetes
b) Hypothyroidism
c) Goitre
d) Hyperthyroidism
Answer: c) Goitre
Which hormone lowers blood calcium levels?
a) Calcitonin
b) Insulin
c) Parathormone
d) Thyroxine
Answer: a) Calcitonin
What does the thymus gland control?
a) Blood sugar levels
b) T lymphocytes for immunity
c) Water balance
d) Daily rhythms
Answer: b) T lymphocytes for immunity
Which gland secretes melatonin?
a) Pituitary gland
b) Thyroid gland
c) Thymus gland
d) Pineal gland
Answer: d) Pineal gland
What does the posterior lobe of the pituitary gland produce?
a) Thyroxine
b) Oxytocin and vasopressin
c) Calcitonin
d) Insulin
Answer: b) Oxytocin and vasopressin
What is the role of vasopressin?
a) Regulates growth
b) Controls water balance
c) Increases energy production
d) Regulates blood sugar
Answer: b) Controls water balance
Which part of the brain controls the endocrine system by producing releasing and inhibitory hormones?
a) Cerebellum
b) Medulla oblongata
c) Hypothalamus
d) Pituitary gland
Answer: c) Hypothalamus
What are chemical substances used by animals for communication?
a) Hormones
b) Enzymes
c) Pheromones
d) Antibodies
Answer: c) Pheromones
Which hormone prevents fruit dropping and promotes root growth?
a) Ethylene
b) Gibberellins
c) Auxins
d) Abscisic acid
Answer: c) Auxins
How do the nervous system and endocrine system work together for homeostasis?
a) By competing for resources
b) By inhibiting each other’s functions
c) By working independently
d) By coordinating and regulating bodily functions
Answer: d) By coordinating and regulating bodily functions
Which type of diabetes is primarily related to defective insulin production due to beta cell destruction?
a) Type 1 diabetes
b) Type 2 diabetes
c) Gestational diabetes
d) Insulin-resistant diabetes
Answer: a) Type 1 diabetes
What is the function of thyroxine hormone?
a) Decreases energy production
b) Inhibits growth
c) Increases energy production and regulates growth
d) Regulates blood glucose levels
Answer: c) Increases energy production and regulates growth
What is the condition characterized by an enlarged thyroid due to iodine deficiency?
a) Hypothyroidism
b) Hyperthyroidism
c) Goitre
d) Parathyroidism
Answer: c) Goitre
Which gland produces melatonin and regulates daily rhythms and reproductive activities?
a) Thyroid gland
b) Thymus gland
c) Pineal gland
d) Pituitary gland
Answer: c) Pineal gland
What hormone does the anterior lobe of the pituitary gland primarily produce?
a) Oxytocin
b) Vasopressin
c) Tropic hormones
d) Melatonin
Answer: c) Tropic hormones
Which gland produces releasing and inhibitory hormones to control the pituitary gland?
a) Pancreas
b) Thyroid gland
c) Hypothalamus
d) Pineal gland
Answer: c) Hypothalamus
What are chemical substances used by animals for communication?
a) Hormones
b) Enzymes
c) Pheromones
d) Neurotransmitters
Answer: c) Pheromones
Which hormone is responsible for inducing flowering and fruit ripening in plants?
a) Auxins
b) Gibberellins
c) Ethylene
d) Abscisic acid
Answer: c) Ethylene
What is the primary role of hormones in the body?
a) Regulating nervous system functions
b) Promoting muscle growth
c) Controlling and coordinating life activities
d) Digesting food
Answer: c) Controlling and coordinating life activities
