CAIE A-Level Biology AS 7.1.4 Structure and Function Questions
Explain how plant tissue and organ structure supports function using evidence from each question and mark scheme.
- Syllabus
- 2028–2030
- Course
- Biology 9700
- Level
- AS
Exam points
- Explain how the structure of plant tissues and organs is related to their functions.
CAIE A-Level Biology AS 7.1.4 Structure and Function Questions question 1
[Maximum number: 1]
Which substances in xylem tissue are impermeable to water and prevent the collapse of the vessels?
impermeable to water
prevent collapse
cellulose
cellulose only
cellulose
lignin only
lignin
cellulose only
lignin
cellulose and lignin
D
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