Biology · General Awareness

Human Endocrine System

1,530 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

The testosterone hormone does not work on

  1. body hair

  2. baldness

  3. red blood cells production

  4. muscular performance

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

The hormone testosterone works on body hair, baldness, red blood cell production and on muscular performance. So, this answer is right.

Multiple choice

Which of the following statements is incorrect about steroid hormones?

  1. Testosterone regulates the development of female reproductive organs.

  2. Progesterone maintain the pregnancy in females.

  3. Cortisone regulates the metabolism of the fats.

  4. Options 2 and 3 correct

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

This option is correct because the testosterone  regulates the development of the male reproductive organs.

Multiple choice

Hormone adrenaline is derivative of which of the following?

  1. Alpha-amino acid iodine atom

  2. Sulphonamide

  3. Thiamine pyrophosphate

  4. Catechol

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

This option is correct because these are secreted by the medulla part of the adrenal body. It  is  the derivative of catechol.

Multiple choice

Which of the following statements is true regarding oxytocin hormones?

  1. It causes the contraction of uterus during child birth

  2. It inhibits the excretion of water from the body through urine

  3. It stimulates the rate of oxidation metabolism

  4. It increases pulse rate and blood pressure

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

This option is correct because the oxytocin causes the contraction of uterus during child birth coupled with milk ejection and antidiuratic effect.

Multiple choice

Consider the following statements:

Placenta present in mammals acts as an endocrine tissue and produces

(A) human chorionic gonadotrophin (B) estrogen (C) progesterone (D) testosterone

Which of the above statements are correct?

  1. Only (A) and (D)

  2. Only (A) and (C)

  3. (A), (B) and (C)

  4. (B), (C) and (D)
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Testosterone is a steroid hormone from the androgen group and is found in humans and other vertebrates. In humans and other mammals, testosterone is secreted primarily by the testicles of males and, to a lesser extent, the ovaries of females.

Multiple choice

Which of the following secretes fright and flight hormone?

  1. Pituitary gland

  2. Pineal gland

  3. Adrenal gland

  4. Thyroid gland
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

 Adrenal gland secretes Fight, fright and flight hormone. Due to an increased quantity of blood is pumped faster to heart muscles and brain; it is well oxygenated and rich in nutrients. These preparations are valuable for the body in providing a rapid physiologic response to emergencies sucha as shock, fear, and danger. 

Multiple choice

_________ controls asscessory sexual characters in females.

  1. Estrogen

  2. Progestron

  3. Androgen

  4. Andrenalin
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Estrogens spur the development of the female secondary sex characteristics: enlargement of the breasts, appearance of hair under the arms and in the genital area, and the accumulation of fat in the hips and thighs. Estrogens also act with progesterone to stimulate the growth of the lining of the uterus, preparing it to receive a fertilized egg.

Multiple choice

ADH stands for

  1. antidiuretic hormone

  2. adensin di hormone

  3. adenosine diuretic hormone

  4. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

ADH stands for Antidiuretic Hormone, also known as vasopressin, which helps the body retain water by increasing water reabsorption in the kidneys.

Multiple choice

ADH is known as

  1. vasopressin

  2. DCT

  3. ATP

  4. ammoniotelic
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

ADH (Antidiuretic Hormone) is also known as vasopressin due to its ability to cause vasoconstriction at high concentrations.