CAIE IGCSE Biology 14.3.1 Hormone As a Chemical Substance Questions
Practise constructing the complete hormone definition from its source, transport route and effect on specific target organs.
- Syllabus
- 2026–2028
- Course
- Biology 0610
Exam points
- describe a hormone as a chemical substance produced by an endocrine gland
- state that hormones are carried in blood plasma from the gland around the body
- complete the definition by naming an altered activity in a specific target organ
CAIE IGCSE Biology 14.3.1 Hormone As a Chemical Substance Questions question 1
[Maximum number: 3]
Insulin is a hormone that regulates the concentration of glucose in the blood.
Describe what is meant by the term hormone.
chemical substance produced by a (endocrine) gland ;
carried by the blood ;
alters the activity of specific target organs / AW ;
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