O-LevelBiologyGenetics & Variation5090/12 · May/June 2015 · Q331 Mark

A male gamete leaves the pollen tube immediately after the pollen tube has entered which structure?

Aovary

Bovule

Cstigma

Dstyle

✓ Correct answer

B: ovule

Oracle Prep sorts past-paper questions by topic, so you can drill Genetics & Variation and see which topics are most likely to come up next.

Topic: Genetics & Variation, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2015 Paper 1 Variant 2, question 33.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content

Which statement describes an example of artificial selection?

What are two female parts of a flower?

Which outcomes might farmers want to achieve by using artificial selection?

Which effects will an increase in temperature and an increase in humidity have on the transpiration rate of a plant?

Which sequence shows the shortest route taken by blood travelling from a leg to an arm in the human body?

Anaerobic respiration in yeast can be summarised as follows. glucose → ethanol + carbon dioxide How many molecules of…