Biology

Endocrine and Exocrine Glands

690 Questions

The endocrine and exocrine glands topic explores the human body's essential secreting structures, including the pituitary, thyroid, and salivary glands. Questions often focus on gland locations, their specific secretions, and crucial physiological functions. This subject is a core component of the general science syllabus across many highly competitive examinations.

Master endocrine glandsPituitary gland locationSalivary gland functionsThyroid and ductless glandsApocrine sweat glands

Endocrine and Exocrine Glands Questions

Multiple choice

Which gland releases glucagon hormones?

  1. Adrenal

  2. Pancreas

  3. Thyroid

  4. Pituitary
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Glucagon is produced by pancreas. Glucagon is a peptide hormone produced by alpha cells of the pancreas and it raises the concentration of glucose in the bloodstream. Its effect is opposite to that of insulin, which lowers the glucose concentration. 

Multiple choice

Identify the false statements.

  1. The predominant antibody in saliva is IgA.
  2. The hormone testosterone is produced by Leydig cells.
  3. Hemolin is an antibody produced by sponges.
  4. Acrosome present on the sperm head is derived from endoplasmic reticulum.

  1. 1 and 2

  2. 1 and 4

  3. 2 and 3

  4. 2 and 4

  5. 3 and 4
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Correct answer. Both are false statements. Hemolin is a bacteria-inducible hemolymph protein of the giant silk moth Hyalophora cecropia. Acrosome present on the sperm head is derived from Golgi apparatus.

Multiple choice

The human mammary gland is derived from _________________.

  1. protoderm

  2. ectoderm

  3. endoderm

  4. mesoderm

  5. pyoderma
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Ectoderm is the outermost of the three primary germ layers of an embryo, from which the epidermis, nervous tissue and sense organs develops. The human mammary gland is derived from ectoderm.

Multiple choice

Name the largest gland in the human body.

  1. Heart

  2. Liver

  3. Kidney

  4. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The liver is the largest internal gland and organ in the human body, weighing approximately 1.5 kg in adults. It performs over 500 functions including detoxification, protein synthesis, and bile production. The heart and kidney are also vital organs but are smaller than the liver.

Multiple choice

The bulbourethral glands in males are also known as

  1. Cowper's glands

  2. Ductus Deferens

  3. Penis

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

The bulbourethral are also known as Cowper's glands.These are two small structures about the size of peas, which are located below the prostate gland. They are composed of many tubes whose linings secrete a fluid that is released in response to sexual stimulation to provide some lubrication to the end of the penis in preparation for sexual intercourse.

Multiple choice

Parotids are the salivary glands of the body. They get affected in ________ disease.

  1. Marburg hemorrhagic fever

  2. Measles

  3. Mumps

  4. Murray Valley encephalitis (MVE)
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Mumps is an acute but usually mild viral infection of childhood, characterized by swollen and inflamed salivary glands (most often the parotids). Less often the virus attacks the pancreas, ovaries, testes, and other organs. Mump virus is a highly contagious paramyxovirus that is commonly transmitted in respiratory droplets.