Biology · General Awareness

Human Endocrine System

1,395 Questions

The human endocrine system comprises glands that secrete hormones to regulate bodily functions like metabolism, growth, and reproduction. Competitive exams frequently test the specific roles of hormones such as adrenaline, insulin, and progesterone. Use these questions to master the locations and functions of different hormones.

Hormone functionsIslets of LangerhansFight or flight responseBlood pressure regulationFemale sex hormonesWater soluble hormones

Human Endocrine System Questions

Multiple choice

Which of the following statements are TRUE for calcitonin? (i) It is secreted when calcium level is high in blood. (ii) It is secreted when calcium level is low in blood. (iii) It moves calcium from blood to bones. (iv) It moves calcium from bones to blood. (v) It moves calcium from blood to urine.

  1. (i) and (v)

  2. (ii) and (iv)

  3. (i) and (iii)

  4. (iii) and (iv)
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Calcitonin is secreted when calcium level is high in blood, and it moves calcium from blood into bones.

Multiple choice

Which of the following functions is performed by adrenaline hormone?

  1. Helps to cope with stress or emergency

  2. Converts glucose into glycogen

  3. Controls the speed of cellular metabolism

  4. Controls reproductive growth and development

  5. Controls the growth of the body
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Adrenaline is released from adrenal gland, when a person is under stress or is involved in intensive exercise.

Multiple choice

Which of the following statements is/are incorrect about hormones? (a) They are the secretion of the endocrine glands. (b) They are nutrient chemicals. (c) They are intercellular messengers. (d) They are produced in sufficient amount.

  1. a and b

  2. b and d

  3. c and d

  4. a, b and d

  5. a, b and c
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Yes, it is the correct answer as b) and d) are the incorrect statements. Hormones are non-nutrient chemicals, which are produced in trace amount.

Multiple choice

Which of the following is a pair of peptide hormones?

  1. Glucagon and insulin

  2. Testosterone and progesterone

  3. Ghrelin and orexin

  4. Thyroid stimulating hormone and growth hormone

  5. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Yes, it is correct, Glucagon and insulin is a pair peptide hormones.