Level: JHS, Basic 8 | Subject: Integrated Science | Strand: Cycles | Topic: Life Cycle of Organisms: The Mosquito
Read the summary notes first, then try these questions. Go back to the summary notes for this topic.
Part A has 20 tick-box questions. Part B has 5 essay questions with a marking guide at the bottom.
Test Yourself: 20 Objective Questions
Tick one answer for each question, then press Review answer. If your answer is wrong, it will be marked first, then the correct answer will show in green.
1. The four stages in the life cycle of a mosquito are
2. Mosquitoes lay their eggs
3. The larva of a mosquito is also called a
4. The pupa of a mosquito is also called a
5. Which stage of the mosquito does NOT feed?
6. The mosquito larva breathes through
7. A mosquito goes through
8. Which of these is a good breeding place for mosquitoes?
9. The mosquito that spreads malaria is the female
10. Only female mosquitoes bite because they
11. The germ that causes malaria is a
12. An organism that carries germs from one person to another is called a
13. Which of these is a sign of malaria?
14. Besides malaria, mosquitoes can spread
15. Which is an ENVIRONMENTAL method of controlling mosquitoes?
16. Spraying insecticide in rooms is a
17. Introducing fish that eat mosquito larvae is a
18. Sleeping under an insecticide-treated net helps to
19. Pouring a little used oil on stagnant water kills larvae because it
20. Which action does NOT help to control mosquitoes?
Essay Questions
- Draw and label the four stages of the life cycle of a mosquito. (5 marks)
- Describe where each stage of the mosquito lives and what it does. (4 marks)
- Explain how a female Anopheles mosquito spreads malaria from one person to another. (4 marks)
- State four signs of malaria and say what should be done when a person has them. (5 marks)
- Discuss four ways in which the community can control mosquitoes. (6 marks)
Essay Questions: Marking Guide for Teachers and Parents
- Egg on water (1). Larva or wriggler (1). Pupa or tumbler (1). Adult mosquito (1). Correct order and neat labelled diagram (1).
- Egg: laid on still water (1). Larva: lives in water and feeds (1). Pupa: lives in water, does not feed and changes into an adult (1). Adult: leaves the water and flies, and the female bites for blood (1).
- The mosquito bites an infected person and picks up the Plasmodium parasite (1). The parasite grows in the mosquito (1). When the mosquito bites another person, it passes the parasite into that person’s blood (1). The parasite multiplies and the person falls ill with malaria (1).
- Any four signs (1 mark each): fever, headache, shivering, sweating, vomiting, body pains. Go to the hospital or clinic for a test and treatment at once (1).
- Any four methods (1 mark each), plus a short explanation of any two of them (1 mark each): clear gutters and drain stagnant water; cover water containers; spray insecticide or larvicide; introduce larvae-eating fish; sleep under treated nets; use window nets and repellents.
Education Always (education.inspiringalways.com). Original practice questions, not official WAEC or BECE questions.