Biology 5090/12 — May/June 2022
Cambridge O-Level · Multiple Choice · answer key with instant marking and worked solutions
40
questions
40
marks
60
minutes
Topics Coordination and Control · Transport in Flowering Plants · Movement Into and Out of Cells · Enzymes · Human Nutrition · Transport in Humans · +14 more
Tap an option under each question to check it — your score builds as you go.
Q11MBiological MoleculesCell Structure and OrganisationFree sample
The diagram shows a plant cell. The cell is stained with iodine solution.
After staining with iodine solution, what are the colours of the cell wall and the starch grain?
Options
| cell wall | starch grain | |
|---|---|---|
| A | blue-black | blue-black |
| B | blue-black | orange-brown |
| C | orange-brown | blue-black |
| D | orange-brown | orange-brown |
The rest of this paper
39 more questions- Q2Transport in Flowering Plants1M
- Q3Movement Into and Out of Cells1M
- Q4Movement Into and Out of Cells1M
- Q5Enzymes1M
- Q6Enzymes1M
- Q7Plant Nutrition1M
- Q8Plant Nutrition1M
- Q9Movement Into and Out of Cells · Biological Molecules · Human Nutrition1M
- Q10Human Nutrition1M
- Q11Human Nutrition1M
- Q12Transport in Flowering Plants1M
- Q13Transport in Flowering Plants1M
- Q14Transport in Humans1M
- Q15Transport in Humans1M
- Q16Transport in Humans1M
- Q17Respiration1M
- Q18Respiration · Enzymes1M
- Q19Human Gas Exchange1M
- Q20Excretion1M
- Q21Coordination and Control1M
- Q22Coordination and Control1M
- Q23Coordination and Control1M
- Q24Coordination and Control1M
- Q25Coordination and Control1M
- Q26[Legacy] Support, Movement and Locomotion1M
- Q27Disease and Immunity1M
- Q28Classification1M
- Q29Biotechnology and Genetic Modification1M
- Q30Organisms and Their Environment1M
- Q31Disease and Immunity1M
- Q32Organisms and Their Environment1M
- Q33Cell Division and Reproduction1M
- Q34Sexual Reproduction in Humans1M
- Q35Disease and Immunity1M
- Q36Sexual Reproduction in Humans1M
- Q37Inheritance1M
- Q38Inheritance1M
- Q39Organisms and Their Environment1M
- Q40Biotechnology and Genetic Modification1M
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