5090/12

Biology 5090/12October/November 2012

Cambridge O-Level · Multiple Choice · answer key with instant marking and worked solutions

40
questions
40
marks
60
minutes

Topics Plant Nutrition · Coordination and Control · Organisms and Their Environment · Transport in Flowering Plants · Human Nutrition · Human Gas Exchange · +13 more

Tap an option under each question to check it — your score builds as you go.

Q11MMovement Into and Out of CellsFree sample

Some processes which occur in flowering plants are listed.

  1. ion uptake by roots hairs
  2. water uptake by root hairs
  3. ion movement up the xylem in the stem
  4. water vapour loss by the mesophyll cells of the leaves

Which processes are controlled by cell surface membranes?

Options

A   1 only
B   1 and 3
C   2 only
D   3 and 4

The rest of this paper

39 more questions
  • Q2Plant Nutrition · Transport in Flowering Plants1M
  • Q3Movement Into and Out of Cells1M
  • Q4Biological Molecules · Enzymes1M
  • Q5Plant Nutrition1M
  • Q6Plant Nutrition · Cell Structure and Organisation1M
  • Q7Plant Nutrition1M
  • Q8Human Nutrition1M
  • Q9Human Nutrition1M
  • Q10Human Nutrition1M
  • Q11Transport in Flowering Plants1M
  • Q12Transport in Flowering Plants1M
  • Q13Transport in Humans1M
  • Q14Transport in Humans1M
  • Q15Excretion1M
  • Q16Human Gas Exchange1M
  • Q17Human Gas Exchange1M
  • Q18Respiration1M
  • Q19Excretion1M
  • Q20Coordination and Control1M
  • Q21Coordination and Control1M
  • Q22Coordination and Control1M
  • Q23[Legacy] Support, Movement and Locomotion1M
  • Q24Coordination and Control1M
  • Q25Disease and Immunity1M
  • Q26Human Gas Exchange1M
  • Q27Biotechnology and Genetic Modification1M
  • Q28Organisms and Their Environment1M
  • Q29Organisms and Their Environment1M
  • Q30Organisms and Their Environment1M
  • Q31Disease and Immunity1M
  • Q32Organisms and Their Environment1M
  • Q33Cell Division and Reproduction1M
  • Q34Enzymes1M
  • Q35Sexual Reproduction in Humans1M
  • Q36Sexual Reproduction in Humans1M
  • Q37Cell Division and Reproduction1M
  • Q38Inheritance1M
  • Q39Inheritance1M
  • Q40Inheritance1M
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