Diptera and the importance of insects
Answers are for parents and teachers.
1
Write 5 rules for protection from flies and mosquitoes.
Keep rubbish covered and remove it in time; cover food; wash fruit; drain puddles; window screens/mosquito nets.
2
Write 3 diseases spread by insects and their carriers.
Malaria – malaria mosquito; typhus – lice; plague – rat flea.
3
Write 4 useful insects and their benefit.
Honey bee – pollinates and gives honey; ladybird – eats aphids; dragonfly – eats mosquitoes; silkworm – silk.
4
Explain two ways of biological control.
Breeding natural enemies in factories and releasing them in fields; attracting helpful animals and cutting chemical use.
5
Name three classes of arthropods and a representative of each.
Crustaceans – river crayfish; arachnids – cross spider; insects – rose chafer.