Biology ยท 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

How are hormones released into blood?

  1. By osmosis

  2. By diffusion

  3. Through ducts

  4. By active transport
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Hormones are small molecules which directly diffuse into the blood.

Multiple choice

Which hormone helps the body in controlling stress?

  1. Estrogen

  2. Testosterone

  3. Adrenaline

  4. Thyroxine

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

Adrenaline is a hormone produced by the adrenal glands during high stress or exciting situations. This powerful hormone is a part of the human body's acute stress response system, also called the "fight or flight" response.

Multiple choice

Besides regulating appetite, ghrelin plays a vital role in

  1. stimulating gall bladder contraction

  2. regulating the distribution and rate of use of energy

  3. inhibiting the release of other hormones

  4. regulating water homeostasis throughout the body
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Besides regulating appetite, ghrelin plays a vital role in regulating the distribution and rate of use of energy.