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

A sebaceous cyst is also called what?

  1. steatoma

  2. wen

  3. subcutaneous tumor of the sebaceous gland

  4. all of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A sebaceous cyst is also known as a steatoma or a wen, and it is a benign tumor of the sebaceous gland.

Multiple choice

Which gland is most associated with hair growth?

  1. posterior pituitary

  2. adrenal

  3. anterior pituitary

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

The adrenal glands produce androgens, which are the primary hormones that stimulate hair growth and influence the transition of vellus hair to terminal hair.

Multiple choice tissues of animals tissues: plant and animal tissues animal tissues structure of living organisms biology cell division in embryo development division for growth and reproduction

Which type of tissue forms glands

  1. Epithelial

  2. Connective

  3. Nervous

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

Epithelial tissues form the covering of all body surfaces, lines body cavities and hollow organs, and are the major tissue in glands. 

So, the correct answer is 'Epithelial' .

Multiple choice biology control and coordination in living organisms hormones of placenta coordination in human beings- chemical control endocrine system in humans

Which one of the following is temporary endocrine gland?

  1. Pineal

  2. Pancreas

  3. Placenta

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

The placenta is an endocrine gland, that is only present during pregnancy. It produces hormones including human chorionic gonadotropin (hCG), progesterone, estrogen, and human placental lactogen (hPL).

Multiple choice biology windows of knowledge human nose nose nose : the olfactory organ

The glands which help in absorbing odoriferous substances to stimulate olfactory nerve are

  1. Cerumenous glands

  2. Meibomian glands

  3. Bowman's glands

  4. Cowper's glands

  5. Bidder's glands
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Bowman's glands are branched tubular glands in the olfactory mucous membrane. The structure of the Bowman's glands consists of an acinus in the lamina propria and a secretory duct going out through the olfactory epithelium. Bowman's glands secrete proteins, such as lysozyme, amylase and IgA similar to serous glands. 

Multiple choice biology windows of knowledge human nose nose nose : the olfactory organ

Glands whose secretions pick up odoriferous substances to stimulate olfactory nerves are

  1. Bidder's glands

  2. Cowper's glands

  3. Meibomian glands

  4. Bowman's glands

  5. Ceruminous glands
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
Bowman's glands are olfactory glands present in olfactory mucosa below olfactory epithelium. They contain secretory vesicles. They secrete mucous substances that prevent the nasal epithelium from getting dry out. The secretions from these glands pick up odoriferous substances i.e. the substances that have a particular smell, and stimulate olfactory nerves which carry the information related to smell to the brain.
So, the correct answer is 'Bowman's glands'.
Multiple choice biology tissues, organs, organ system, organism tissues of animals animal tissues and its type tissues: animal tissues fluid connective tissue

Mammary glands are a part of 

  1. Epithelial tissue

  2. Connective tissue

  3. Skeletal tissue

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

Mammary glands are a modification of the epithelial layer or epithelial tissue. They are formed of the glandular epithelium.

So, the correct option is 'Epithelial tissue'.

Multiple choice different stages of growth reproductive system in humans division for growth and reproduction human system biology

Ageing starts with disappearance of

  1. Spleen

  2. Pituitary gland

  3. Thymus gland

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

Ageing starts with the disappearance of thymus according to immunity theory . Thymic involution (shrinking of the thymus with age) is believed to be the main age-related change in the immune system, and this alteration begins after puberty.

So, the correct option is ‘thymus gland’.

Multiple choice zoology excretion to maintain homeostasis other excretory organ role of other organs in excretion accessory excretory organs excretion in other organisms

Wharton's duct is part of _________ gland.

  1. Parotid

  2. Submaxillary

  3. Sublingual

  4. Brunner's
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The submaxillary duct is also known as the Wharton's duct opens into the floor of the mouth. They are the major ducts of the submaxillary (submandibular gland) and help in the transfer of saliva from the submaxillary gland to the opening under the tongue.

Multiple choice zoology excretion to maintain homeostasis other excretory organ role of other organs in excretion accessory excretory organs excretion in other organisms

Epidermal glands originate from ........... layer.

  1. Stratum granulosum

  2. Stratum corneum

  3. Stratum lucidum

  4. Stratum malpighii
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The epidermis is composed of 4 or 5 layers depending on the region of skin being considered. The Malpighian layer (stratum malpighii) is defined as both the stratum basale and stratum spinosum. In spinous layer (stratum spinosum), keratinocytes become connected through desmosomes and start to produce lamellar bodies, from within the golgi, enriched in polar lipids, glycosphingolipids, free sterols, phospholipids and catabolic enzymes. Basal/germinal layer (stratum basale/germinativum) is composed of proliferating and non-proliferating keratinocytes, attached to the basement membrane by hemidesmosomes. Melanocytes are present, connected to numerous keratinocytes in this and other strata through dendrites. Merkel cells are also found in the stratum basale with large numbers in touch-sensitive sites such as the fingertips and lips. 

Multiple choice biology chemical coordination and integration kidney hormones coordination in human beings- chemical control endocrine system in humans

Which of the following produces erythropoietin?

  1. Kidney

  2. Pancreas

  3. Pineal gland

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

Erythropoietin is a hormone produced by the kidney that leads to the formation of red blood cells (RBC) in the bone marrow. Its major function is to enable the differentiation and development of red blood cells and to initiate the production of hemoglobin. Thus the correct answer is option A.

Multiple choice biology chemical coordination and integration kidney hormones coordination in human beings- chemical control endocrine system in humans

Which one produces erythropoietin?

  1. Kidney

  2. Pancreas

  3. Pineal body

  4. Thyroid gland
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
  • Erythropoietin is a  peptide hormone produced primarily by juxtaglomerular cells of the kidney.
  • Erythropoietin stimulates the bone marrow to produce more red blood cells.
  • The resulting rise in red cells increases the oxygen-carrying capacity of the blood. Hence, the kidney produces erythropoietin.
So, the correct answer is 'kidney'.
Multiple choice zoology control and coordination in living organisms introduction to human endocrine system endocrine system and hormone coordination in human beings- chemical control

Which one of the following pairs of organs includes only the endocrine glands?

  1. Thymus and testes

  2. Adrenal and eye

  3. Parathyroid and adrenal

  4. Pancreas and parathyroid
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Hormones are secreted by the endocrine system. Endocrine glands do not have ducts. Their secretions (hormones) are secreted into the bloodstream. Discrete endocrine glands - these include the pituitary (hypophysis), thyroid, parathyroid, adrenal and pineal glands. Endocrine component of glands with both an endocrine and an exocrine function- these include the kidney, pancreas and gonads. 

Multiple choice zoology the endocrine system introduction to human endocrine system endocrine system and hormone coordination in human beings- chemical control

I am ductless gland. I secrete chemicals which are transported by the blood to target cells. Who am I?

  1. Endocrine gland

  2. Exocrine gland

  3. Brain

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

The gland is an endocrine gland as it released many hormones which travels to the target site cells through blood. Adrenal gland and thyroid gland are endocrine glands.