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BECE Science Mosquito Life Cycle and Malaria Quiz

Science · 10 questions · 10 min

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1. The second stage in the life cycle of a mosquito is the ______.

Larva Egg Pupa Imago (adult)

2. Which of these correctly shows the four stages of a mosquito's life cycle in order?

Egg, Larva, Pupa, Adult Larva, Egg, Adult, Pupa Pupa, Adult, Egg, Larva Adult, Pupa, Larva, Egg

3. How does the larva stage of a mosquito obtain oxygen?

It comes to the surface of the water and breathes through a structure called the siphon It absorbs oxygen directly through its skin underwater only It does not need oxygen at this stage It breathes through gills like a fish

4. Which of these is a method of controlling the pupa stage of a mosquito?

Adding oil to cover the water surface Using mosquito coils Applying insect repellent to skin Spraying the house with air freshener

5. Which of these is a method of controlling the adult stage of a mosquito?

The use of mosquito spray or insecticide Adding oil to the water surface Introducing fish into the water Adding kerosene to the water

6. Which sex of mosquito bites humans and transmits malaria?

Only the female mosquito Only the male mosquito Both male and female equally Neither male nor female

7. Why does the female mosquito need to bite humans or animals?

She needs the proteins in blood to develop her eggs She needs blood for energy to fly She cannot survive without blood at any stage She bites purely out of aggression

8. What does a female Anopheles mosquito transmit that causes malaria?

Plasmodium (a parasite) Bacteria A virus A fungus

9. Why is clearing stagnant water considered the best method of mosquito control?

It removes the breeding ground needed for eggs, larvae, and pupae to develop It has no real effect on mosquito populations It only affects adult mosquitoes It increases the mosquito population

10. Which of these best describes the economic impact of malaria on a family?

Families spend money on treatment, and sick members cannot work or attend school, reducing productivity Malaria has no economic impact at all Malaria only affects a country's environment, not its economy Families save money when a member has malaria