O-LevelBiologyEcology & Environment5090/11 · Oct/Nov 2020 · Q291 Mark

Mealybugs are small insects that can feed on crops such as mango and coffee. They damage the crops and reduce the yield and profits for farmers. Lacewing insects and ladybird beetles both eat mealybugs. Which row shows the positions of some of the organisms in this food chain?

Alacewing mealybug coffee

Bcoffee mealybug lacewing

Cmealybug ladybird mango

Dmango ladybird mealybug

✓ Correct answer

B: coffee mealybug lacewing

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Topic: Ecology & Environment, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2020 Paper 1 Variant 1, question 29.

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