Biology 9700/43 — October/November 2019
Cambridge A-Level · A Level Structured Questions · worked solutions for every part, with the mark scheme
10
questions
100
marks
120
minutes
Topics Inheritance · Selection and Evolution · Classification, Biodiversity and Conservation · Control and Coordination · Homeostasis · Genetic Technology · +2 more
Q1HomeostasisFree sample
(a)
Fig. 1.1 shows part of a guard cell.
(i)1M
State the type of protein represented by Q.
(ii)2M
Proteins R and S are transport proteins.
Identify R and S.
R ______
S ______
(iii)1M
Name cell structure T.
(b)5M
With reference to Fig. 1.1, outline the events that occur in a guard cell during times of water stress.
The rest of this paper
9 more questions- Q2Inheritance14M
- Q3Genetic Technology · Inheritance15M
- Q4Selection and Evolution6M
- Q5Selection and Evolution · Classification, Biodiversity and Conservation9M
- Q6Photosynthesis15M
- Q7Control and Coordination · Inheritance11M
- Q8Energy and Respiration6M
- Q9Classification, Biodiversity and Conservation15M
- Q10Control and Coordination · Inheritance15M
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