IB Biology HL C2.1.3 Hl Functional Categories in Animals Questions
Practise IB Biology HL 2.1.3 by applying functional categories in animals concepts to exam questions.
- Syllabus
- First assessment 2025
- Course
- Biology HL
- Level
- HL
Exam points
- Identify hormones, neurotransmitters, cytokines and calcium ions as categories of animal signalling molecules.
- Compare hormonal and nervous communication by signal type, transport route, speed, duration and target range.
- Use leptin as an example of a hormone released by adipose tissue that acts on the hypothalamus to reduce appetite.
IB Biology HL C2.1.3 Hl Functional Categories in Animals Questions question 1
[Maximum number: 1]
What releases leptin?
A
Thyroid gland
B
Hypothalamus
C
Pineal gland
D
Adipose tissue
D
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