5090/21

Biology 5090/21October/November 2021

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

9
questions
80
marks
105
minutes

Topics Plant Nutrition · Human Nutrition · Sexual Reproduction in Plants · Biological Molecules · Transport in Humans · Cell Division and Reproduction · +10 more

Q16MHuman Gas ExchangeRespirationFree sample

The diagram shows the human lungs and associated structures.

(a)

Complete the diagram by naming the labelled parts.

3M
(b)

Explain why a human needs lungs.

3M

The rest of this paper

8 more questions
  • Q2Plant Nutrition10M
  • Q3Coordination and Control · Excretion14M
  • Q4Organisms and Their Environment · Plant Nutrition · Sexual Reproduction in Plants · Biological Molecules11M
  • Q5Human Nutrition · Transport in Humans · Disease and Immunity9M
  • Q6Enzymes · Biological Molecules · Human Nutrition10M
  • Q7Cell Division and Reproduction · Inheritance10M
  • Q8Transport in Flowering Plants · Transport in Humans · Human Nutrition · Plant Nutrition10M
  • Q9Sexual Reproduction in Humans · Sexual Reproduction in Plants · Cell Division and Reproduction · Inheritance10M
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