Biology 5090/21 — May/June 2015
Cambridge O-Level · Theory · worked solutions for every part, with the mark scheme
9
questions
80
marks
105
minutes
Topics Respiration · Human Nutrition · Transport in Flowering Plants · Coordination and Control · Transport in Humans · Excretion · +7 more
Q18MCoordination and ControlFree sample
Fig. 1.1 shows a vertical section through the skin in two different environmental conditions, A and B.
(a)2M
On Fig. 1.1, label each of the following:
- a sweat gland
- a capillary.
(b)1M
Use the information in Fig. 1.1 to suggest how environmental condition B is different from environmental condition A.
______
(c)
(i)2M
State two differences between the skin in environmental condition A and the skin in environmental condition B.
- ______
- ______
(ii)3M
Explain the advantages to a person in environmental condition B of the two differences you have stated in your answer to (c)(i).
The rest of this paper
8 more questions- Q2Transport in Humans · Excretion · Respiration · Human Nutrition10M
- Q3Sexual Reproduction in Humans · Inheritance10M
- Q4Disease and Immunity9M
- Q5Organisms and Their Environment · Respiration · Movement Into and Out of Cells13M
- Q6Human Nutrition10M
- Q7Plant Nutrition · Transport in Flowering Plants10M
- Q8Sexual Reproduction in Plants10M
- Q9Transport in Flowering Plants10M
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