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TN-BIO-IGCSE-33114 · v3.-3
Limiting Factors
IGCSE · Biology · Photosynthesis · International Baccalaureate
Grade
IGCSE
Subject
Biology
Topic
Photosynthesis
Subtopic
Limiting Factors
Curriculum
International Baccalaureate
Difficulty
Foundation
Time
10 minutes
Total marks
37
Student name
Teacher name
Date
Learning objectives
- Recognise limiting factors accurately in biology contexts.
- Explain the underlying rule of limiting factors in the student's own words.
- Apply limiting factors to multi-step and unfamiliar problems.
- Justify a chosen method and identify errors in another student's work.
Skills assessed
- Fluency and recall
- Method and setting out
- Reasoning and justification
- Problem solving in context
- Self-assessment
Instructions
- Write your name, your teacher's name and the date in the header.
- Answer every question in the space provided. Continue on the back if needed.
- Show all working — method marks are awarded even when the final answer is wrong.
- Aim to finish in about 10 minutes.
- Complete the reflection box at the end before you hand the sheet in.
Warm-up
Bloom: Remember · 2 marks
Answer quickly. These check you are ready for the topic.
1.Name one fact you already know about limiting factors.
[1]2.Name one fact you already know about limiting factors.
[1]
Recall
Bloom: Remember · 2 marks
Complete from memory. No calculator, no notes.
1.Complete the key term used in limiting factors described here: item 1.
[1]2.Define the key term used in limiting factors described here: item 2.
[1]