Grade 6 Science & Technology · Strand 1: Living things and the Environment · Inverterbrates
Harmful Invertebrates
A short Grade 6 Science & Technology lesson for the CBE curriculum, part of Living things and the Environment: Inverterbrates. Learn it on any phone with notes and slides, then check yourself with a quick quiz and earn XP. This lesson is free.
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1. Which invertebrate pest bores into stored maize grains and eats the starch until only powdery shells remain?
- A. Honeybee
- B. Maize weevil
- C. Cattle tick
- D. Tsetse fly
2. Why is the female Anopheles mosquito called a vector of malaria?
- A. It carries the Plasmodium parasite from one person to another
- B. It produces the malaria parasite in its own body cells
- C. It eats the leaves of crops that carry malaria
- D. It lays eggs inside the human body
3. Which control method is an example of biological control of pests?
- A. Draining stagnant puddles near the homestead
- B. Using chickens or ladybirds to eat pests
- C. Spraying crops with insecticide
- D. Storing maize in airtight hermetic bags
4. Which disease do tsetse flies cause in cattle?
- A. East Coast Fever
- B. Cholera
- C. Nagana
- D. Dysentery
5. What name is given to an organism that transmits pathogens from one host to another, such as a mosquito carrying malaria parasites?
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