Endocrine System MCQs with Answers

What is the cause of ageing in human beings according to the provided data?

• A.Hardening of arteries
• B.Degeneration of neurons
• C.Disappearance of thymus glands
• D.Weakening of bones

During non-mating days, which substance can elicit the female to initiate estrus cycle?

• A.Estradiol benzoate
• B.Progesterone
• C.Oxytocin
• D.Prolactin

What is the full form of ADH?

• A.Antidiuretic hormone
• B.Adrenal discharge hormone
• C.Adenosine diphosphate hormone
• D.Aldosterone dehydrogenase

Which gland in human beings is responsible for controlling internal temperature?

• A.Pituitary gland
• B.Pineal gland
• C.Thyroid gland
• D.Hypothalamus gland

Why is adrenaline given to a patient?

• A.To increase heart rate
• B.To constrict blood vessels
• C.To dilate air passages
• D.All of these

Testosterone, estrogen, and progesterone are hormones of _?

• A.Protein nature
• B.Steroid nature
• C.Carbohydrate nature
• D.Amino acid nature

Which organ is both the smallest organ and the smallest gland in the human body?

• A.Pituitary gland
• B.Thyroid gland
• C.Pineal gland
• D.Hypothalamus

Calcitonin is secreted by which type of cells?

• A.Parafollicular cells of thyroid
• B.Follicular cells of thyroid
• C.Alpha cells of pancreas
• D.Chief cells of parathyroid

Gigantism and dwarfism are caused due to imbalances of which hormone?

• A.Thyroxine
• B.Adrenaline
• C.Insulin
• D.Somatotropin

Past Paper MCQ

Organic compound poured directly into the blood and transported to targeted tissue are _?

• A.Enzymes
• B.Hormones
• C.Antibodies
• D.Neurotransmitters