Biology 5090/12 — May/June 2010
Cambridge O-Level · Multiple Choice · answer key with instant marking and worked solutions
40
questions
40
marks
60
minutes
Topics Human Nutrition · Plant Nutrition · Coordination and Control · Organisms and Their Environment · Transport in Flowering Plants · Transport in Humans · +14 more
Tap an option under each question to check it — your score builds as you go.
Q11MHuman NutritionFree sample
The graph shows the pH of the saliva in the mouth after eating sugar.
When are conditions in the mouth most likely to cause tooth decay?
Options
A 0–5 minutes
B 5–25 minutes
C 25–45 minutes
D 45–60 minutes
The rest of this paper
39 more questions- Q2Human Nutrition1M
- Q3Enzymes1M
- Q4Movement Into and Out of Cells1M
- Q5Movement Into and Out of Cells1M
- Q6Human Nutrition1M
- Q7Human Nutrition1M
- Q8Plant Nutrition · Transport in Flowering Plants1M
- Q9Transport in Flowering Plants1M
- Q10Plant Nutrition1M
- Q11Cell Structure and Organisation1M
- Q12Plant Nutrition1M
- Q13[Legacy] Support, Movement and Locomotion1M
- Q14Coordination and Control1M
- Q15Coordination and Control1M
- Q16Transport in Humans1M
- Q17Transport in Humans1M
- Q18Coordination and Control1M
- Q19Human Gas Exchange1M
- Q20Human Gas Exchange1M
- Q21Respiration1M
- Q22Coordination and Control1M
- Q23Respiration · Sexual Reproduction in Plants1M
- Q24Sexual Reproduction in Plants · Cell Division and Reproduction1M
- Q25Transport in Flowering Plants1M
- Q26Inheritance1M
- Q27Inheritance1M
- Q28Plant Nutrition · Inheritance1M
- Q29Disease and Immunity1M
- Q30Classification · Cell Structure and Organisation1M
- Q31Biotechnology and Genetic Modification1M
- Q32Sexual Reproduction in Humans · Transport in Humans1M
- Q33Sexual Reproduction in Humans1M
- Q34Excretion1M
- Q35Organisms and Their Environment1M
- Q36Organisms and Their Environment1M
- Q37Organisms and Their Environment1M
- Q38Organisms and Their Environment1M
- Q39Biotechnology and Genetic Modification1M
- Q40Disease and Immunity1M
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