Biology 5090/22 — October/November 2018

Cambridge O-Level · Theory · worked solutions for every part, with the mark scheme

questions

marks

105

minutes

Topics Organisms and Their Environment · Sexual Reproduction in Humans · Movement Into and Out of Cells · Plant Nutrition · Transport in Humans · Excretion · +5 more

Q18MTransport in HumansFree sample

Fig. 1 and Fig. 2 show transverse sections of two types of blood vessel.

Fig. 1 and Fig. 2

(a)

(i)

Name the type of blood vessel shown in:

Fig. 1 ______

Fig. 2 ______

(ii)

Describe the differences in the structures shown in Fig. 1 and Fig. 2 that helped you to identify these blood vessels.

(b)

The diagram below is of a simplified, incomplete longitudinal section from the type of blood vessel shown in Fig. 2. The direction of blood flow is shown.

Fig. 1.1

(i)

Complete the diagram by drawing one set of valves.

(ii)

Describe the function of these valves.

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8 more questions

Q2Sexual Reproduction in Humans · Excretion · Coordination and Control · Biotechnology and Genetic Modification10M
Q3Sexual Reproduction in Plants · Movement Into and Out of Cells12M
Q4Plant Nutrition · Respiration · Organisms and Their Environment10M
Q5Sexual Reproduction in Humans10M
Q6Organisms and Their Environment10M
Q7Organisms and Their Environment10M
Q8Inheritance10M
Q9Movement Into and Out of Cells · Plant Nutrition10M

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