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 of the following glands is/are the main center(s) in the body for coordination of the nervous system and the endocrine system?

a. Hypothalamus b. Pineal gland c. Parathyroid gland d. Pituitary gland

  1. Only b and c

  2. Only b

  3. Only b and d

  4. Only c and d

  5. Only a and d
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

This is the correct option. The hypothalamus plays an important role in collecting information from other regions of the brain and from blood vessels passing through it. This information is passed on to the pituitary gland which by its own secretions, regulates the activities of all other endocrine glands.

Multiple choice

Which of the following glands is also called as the 'gland of emergency'?

  1. Hypothalamus

  2. Pituitary gland

  3. Adrenal gland

  4. Thymus gland

  5. Pancreas
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is the correct option as adrenal glands are also called as the glands of emergency. In case of an emergency, these glands secrete large amounts of adrenaline, which further speeds up the heart beat and breathing, raising blood pressure and allowing more glucose to go into the body to give a lot of energy to the body.

Multiple choice

Brunner's glands in human body are :

  1. Submucosal glands in large intestine

  2. Sweat glands in skin

  3. Submucosal glands in duodenum

  4. Endocrine glands in duodenum
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

 Duodenum of small intestine has alkaline bicarbonate secreting Brunner's glands which minimises the acidity of chyme

Multiple choice

The largest salivary gland is :

  1. Sub mandibular gland

  2. Sub lingual gland

  3. Parotid gland

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

 Parotid gland is the largest salivary gland and opens into the vestibule of mouth opposite the crown of upper 2nd molar tooth

Multiple choice

Name the largest gland in human body.

  1. Salivary gland

  2. Thyroid gland

  3. Pancrease

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

The largest gland in human body is liver which performs various vital functions.

Multiple choice

Tonsils and adenoids are

  1. endocrine glands

  2. exocrine glands

  3. masses of lymphatic fluid

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

Tonsils and adenoids are masses of lymphatic fluids, which often become inflamed in throat infection.

Multiple choice

Brain sand is found in

  1. pineal body

  2. thymus gland

  3. thyroid gland

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

Brain sand, or acervuli, are small calcified structures found in the pineal gland of humans and other animals. Their presence increases with age and they are often used as landmarks in radiological imaging of the brain.

Multiple choice

Pituitary gland is present:

  1. below the brain

  2. above the brain

  3. inside the brain

  4. no where near the brain
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The pituitary gland is a small, pea-sized gland located at the base of the brain, just below the hypothalamus. It is often called the 'master gland' because it controls several other hormone-secreting glands.

Multiple choice

Which is the biggest salivary gland?

  1. Amyloidal gland

  2. Renal gland

  3. Parotid gland

  4. None

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The parotid glands are the largest of the three pairs of major salivary glands in humans, located in front of the ears. The other options are either incorrect or not salivary glands.

Multiple choice

Mammalia nourish their young ones through the

  1. pituitary gland

  2. mammary gland

  3. nourishing gland

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

The defining characteristic of mammals is the presence of mammary glands, which produce milk to nourish their young.