9700/12

Biology 9700/12February/March 2021

Cambridge AS Level · Multiple Choice (AS Level) · answer key with instant marking and worked solutions

40
questions
40
marks
60
minutes

Topics Transport in Mammals · Cell Structure · Biological Molecules · Cell Membranes and Transport · Transport in Plants · Nucleic Acids and Protein Synthesis · +5 more

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

Q11MCell StructureFree sample

The photomicrograph shows onion cells.

The actual length of the onion cell labelled Y is 350 μm350\ \mu\text{m}.

What is the magnification of the photomicrograph?

Options

A   ×2.5\times 2.5
B   ×25\times 25
C   ×40\times 40
D   ×400\times 400

The rest of this paper

39 more questions
  • Q2Cell Structure1M
  • Q3Nucleic Acids and Protein Synthesis1M
  • Q4Cell Structure1M
  • Q5Cell Structure1M
  • Q6Cell Structure1M
  • Q7Biological Molecules1M
  • Q8Biological Molecules1M
  • Q9Biological Molecules1M
  • Q10Biological Molecules1M
  • Q11Cell Membranes and Transport1M
  • Q12Biological Molecules1M
  • Q13Enzymes1M
  • Q14Cell Membranes and Transport1M
  • Q15Cell Membranes and Transport1M
  • Q16Cell Membranes and Transport1M
  • Q17Cell Membranes and Transport1M
  • Q18The Mitotic Cell Cycle1M
  • Q19The Mitotic Cell Cycle1M
  • Q20The Mitotic Cell Cycle1M
  • Q21Nucleic Acids and Protein Synthesis1M
  • Q22Nucleic Acids and Protein Synthesis1M
  • Q23Nucleic Acids and Protein Synthesis1M
  • Q24Transport in Plants1M
  • Q25Transport in Plants1M
  • Q26Transport in Plants1M
  • Q27Transport in Plants1M
  • Q28Transport in Plants1M
  • Q29Transport in Mammals1M
  • Q30Transport in Mammals1M
  • Q31Transport in Mammals1M
  • Q32Transport in Mammals1M
  • Q33Transport in Mammals1M
  • Q34Gas Exchange1M
  • Q35Transport in Mammals1M
  • Q36Gas Exchange1M
  • Q37Infectious Diseases1M
  • Q38Infectious Diseases1M
  • Q39Immunity1M
  • Q40Immunity1M
Loading the full paper…