Examination on Agricultural Science
Class: Primary 2
Term: Third Term
Time: 1 Hour
Total Marks: 70

SECTION A: OBJECTIVES (40 Marks)
Instruction: Answer all questions.

1. ________ is an insect that helps in honey production. (a) Butterfly (b) Bee (c) Locust
2. Which of these is not a useful farm insect? (a) Butterfly (b) Tsetse fly (c) Praying mantis
3. The main reason why bees are useful to farmers is for ________. (a) stinging (b) pollination (c) destroying wood
4. The insect that destroys stored grains is called a grain ________. (a) beetle (b) weevil (c) fly
5. Which of these animals does NOT help farmers? (a) Earthworm (b) Rat (c) Bee
6. All of these are harmful insects except ________. (a) tsetse fly (b) butterfly (c) locust
7. An example of a useful but harmful insect is ________. (a) tsetse fly (b) butterfly (c) termite
8. Earthworms help the soil by making it ________. (a) hard (b) aerated (c) dry
9. Which of the following is a method of controlling farm pests? (a) Planting trees (b) Using a scarecrow (c) Feeding animals
10. Ticks are harmful insects because they transmit ________. (a) diseases (b) honey (c) pollen
11. Bees are useful because they help in ________. (a) destroying crops (b) honey production (c) biting people
12. A farmer’s friend is an animal that helps the ________. (a) farmer (b) pest (c) insect
13. Poultry lice affect chickens by causing ________. (a) more eggs (b) blood loss (c) faster growth
14. Which of these can destroy plant leaves? (a) Locust (b) Butterfly (c) Earthworm
15. Trapping is a method used to control ________. (a) useful insects (b) farm pests (c) honey bees
16. Termites are useful because they ________. (a) destroy wood (b) aerate the soil (c) sting
17. The correct step in preventing grain weevils is ________. (a) leaving grains open (b) proper storage (c) planting more crops
18. Birds can be harmful to crops by ________. (a) eating insects (b) eating seeds (c) laying eggs
19. Which of these insects is known to transmit sleeping sickness? (a) Grain weevil (b) Tsetse fly (c) Praying mantis
20. A crab can cause damage on the farm by ________. (a) pollinating flowers (b) digging holes in ridges (c) producing honey

SECTION B: THEORY (30 Marks)
Instruction: Answer any THREE questions.

1. (a) Define a useful farm insect. (2 marks)
(b) Give two examples of useful farm insects. (3 marks)
(c) Explain two ways useful insects help farmers. (3 marks)
(d) What is the main product bees give to humans? (2 marks)

2. (a) What is a harmful insect? (2 marks)
(b) List two examples of harmful insects. (3 marks)
(c) Describe two ways harmful insects can affect humans or animals. (3 marks)
(d) Name one harmful insect that destroys stored produce. (2 marks)

3. (a) Explain what is meant by “farmers’ friends”. (2 marks)
(b) Give two examples of farmers’ friends. (3 marks)
(c) How does an earthworm help the soil? (3 marks)
(d) Name two animals that are considered farm pests but are not insects. (2 marks)

4. (a) Name two insects that can be both useful and harmful. (2 marks)
(b) Explain one way bees are useful and one way they are harmful. (3 marks)
(c) Describe two damages caused by farm pests. (3 marks)
(d) State two methods farmers can use to control pests on their farm. (2 marks)

Objective Marking Scheme

Question 1 – ✅ (b) Bee
Question 2 – ✅ (b) Tsetse fly
Question 3 – ✅ (b) pollination
Question 4 – ✅ (b) weevil
Question 5 – ✅ (b) Rat
Question 6 – ✅ (b) butterfly
Question 7 – ✅ (c) termite
Question 8 – ✅ (b) aerated
Question 9 – ✅ (b) Using a scarecrow
Question 10 – ✅ (a) diseases
Question 11 – ✅ (b) honey production
Question 12 – ✅ (a) farmer
Question 13 – ✅ (b) blood loss
Question 14 – ✅ (a) Locust
Question 15 – ✅ (b) farm pests
Question 16 – ✅ (b) aerate the soil
Question 17 – ✅ (b) proper storage
Question 18 – ✅ (b) eating seeds
Question 19 – ✅ (b) Tsetse fly
Question 20 – ✅ (b) digging holes in ridges