Examination Questions and Review Test Agricultural Science Primary 5 Second Term

Agricultural Science Primary 5 Second Term Examination (Week 12)

General Instructions for Teachers and Students:

For Teachers:

• Please ensure that students are seated comfortably and have enough space to work independently.
• Read all instructions to the students clearly before they begin the exam.
• Remind students that the examination is to be completed on their own without any help from others.
• Ensure that no student engages in any form of malpractice during the exam.
• Mark the exams promptly and fairly, providing feedback where needed to guide students in improving.

For Students:

• Read each question carefully before answering.
• Work independently and avoid looking at other students’ papers.
• Write your answers clearly and legibly.
• Do not use any electronic devices or notes during the exam.
• If you do not know the answer to a question, move on to the next one and come back to it later if you have time.
• Answer all the questions to the best of your ability.
• Keep calm and do your best!

Part A: Objective Questions

30 Fill-in-the-Blank Questions with Options

1. Weeds are unwanted __________ that grow among crops.
   a) plants
   b) animals
   c) pests
   d) insects
2. __________ are animals or insects that harm crops.
   a) Farmers
   b) Pests
   c) Weeds
   d) Seeds
3. __________ is a method of controlling pests by using chemicals.
   a) Biological control
   b) Physical control
   c) Chemical control
   d) Mechanical control
4. __________ are examples of burrowing insect pests.
   a) Ants
   b) Termites
   c) Aphids
   d) Grasshoppers
5. Pesticides help to __________ pests that damage crops.
   a) water
   b) attract
   c) kill
   d) ignore
6. __________ insects damage plants by sucking plant juices.
   a) Piercing
   b) Flying
   c) Burrowing
   d) Pollinating
7. A __________ is an example of a piercing and sucking insect.
   a) Grasshopper
   b) Butterfly
   c) Aphid
   d) Termite
8. Crop __________ is used to control pests by rotating crops each season.
   a) weeding
   b) planting
   c) rotation
   d) cutting
9. __________ is a disadvantage of using chemical pesticides.
   a) It is eco-friendly
   b) It is expensive
   c) It can harm beneficial insects
   d) It is always safe
10. Weeds reduce crop __________ by competing for nutrients, light, and water.
    a) size
    b) yield
    c) taste
    d) color
11. A __________ is an example of a natural predator used in biological control.
    a) Ladybug
    b) Aphid
    c) Termite
    d) Ant
12. The __________ method of pest control uses living organisms to control pests.
    a) chemical
    b) mechanical
    c) biological
    d) physical
13. Weeds are considered __________ because they are not wanted in a farm.
    a) useful
    b) harmful
    c) beneficial
    d) tasty
14. __________ is a common method used to control weeds on a farm.
    a) Trapping
    b) Weeding
    c) Irrigating
    d) Pruning
15. __________ control involves setting physical barriers like fences or nets to keep pests away.
    a) Chemical
    b) Physical
    c) Biological
    d) Biological
16. __________ is an example of a weed that can harm crops.
    a) Tomato
    b) Grass
    c) Dandelion
    d) Cabbage
17. __________ insects are harmful because they create holes in plants or soil.
    a) Burrowing
    b) Pollinating
    c) Flying
    d) Sucking
18. __________ is a sign that pests have damaged crops.
    a) Healthy leaves
    b) Wilting plants
    c) Bright flowers
    d) Strong roots
19. __________ is an example of an organic method of pest control.
    a) Using pesticides
    b) Using traps
    c) Using ladybugs
    d) Using machines
20. __________ is a form of pest control that involves catching pests using traps.
    a) Chemical control
    b) Physical control
    c) Biological control
    d) Mechanical control
21. __________ can be harmful to the environment and should be used carefully.
    a) Organic methods
    b) Pesticides
    c) Natural predators
    d) Traps
22. __________ pests can harm crops by feeding on them.
    a) Harmful
    b) Beneficial
    c) Neutral
    d) Helpful
23. __________ can help prevent pests from damaging crops.
    a) Pruning
    b) Planting early
    c) Using pesticides
    d) All of the above
24. __________ pests damage crops by feeding on them or spreading diseases.
    a) Beneficial
    b) Harmful
    c) Neutral
    d) Helpful
25. Weeds compete with crops for __________.
    a) sunlight
    b) space
    c) water
    d) all of the above
26. __________ is an example of a burrowing insect.
    a) Mosquito
    b) Aphid
    c) Termite
    d) Ladybug
27. __________ control involves the use of living organisms like predators to control pests.
    a) Physical
    b) Mechanical
    c) Chemical
    d) Biological
28. __________ is a common pest that spreads diseases to plants.
    a) Mosquito
    b) Aphid
    c) Rat
    d) Termite
29. __________ can be used to control pests without harming the environment.
    a) Chemical pesticides
    b) Biological control
    c) Harmful sprays
    d) Both a and b
30. __________ is used to control pests by attracting and catching them.
    a) Irrigation
    b) Pesticides
    c) Traps
    d) Weeding

Part B: Theory Questions

30 Short-Answer Questions

1. What are weeds, and how do they affect crops?
2. Explain the difference between piercing and sucking insect pests and burrowing insect pests.
3. Name two methods of controlling pests on a farm.
4. How does crop rotation help control pests?
5. What is biological pest control, and why is it effective?
6. Why is using pesticides to control pests sometimes harmful?
7. Explain the role of natural predators in pest control.
8. How can hand weeding help control weeds on a farm?
9. What are some signs that pests have attacked a crop?
10. How do weeds reduce the yield of crops?
11. Name two common pests that damage crops.
12. How can setting traps help in pest control?
13. What are some advantages of using biological pest control?
14. Explain the effect of chemical pesticides on beneficial insects.
15. What are some methods farmers can use to prevent pests from damaging their crops?
16. Describe how mechanical methods of pest control work.
17. What are the advantages of using organic methods of pest control?
18. Why should pests be controlled as soon as they are identified?
19. What is the disadvantage of using chemical pesticides?
20. Explain how setting physical barriers helps control pests.
21. What are the benefits of using ladybugs in pest control?
22. Describe the process of using traps for pest control.
23. Why is it important to control weeds on a farm?
24. How does biological control differ from chemical control?
25. What are the effects of pests on crops?
26. How can you tell if a plant has been damaged by pests?
27. How does crop rotation reduce pest populations?
28. What is the purpose of using herbicides on a farm?
29. How does setting traps help in pest control?
30. What are some examples of burrowing pests, and how do they damage crops?

Part C: True or False Questions

30 True or False Questions

1. Weeds are harmful because they reduce crop yield. (True)
2. All pests are beneficial to plants. (False)
3. Pesticides are always eco-friendly. (False)
4. Crop rotation helps reduce pest populations. (True)
5. Ladybugs can be used to control pests like aphids. (True)
6. Weeds do not need to be controlled because they don’t harm crops. (False)
7. Biological control methods use chemicals to kill pests. (False)
8. Traps are a form of mechanical pest control. (True)
9. All pests are harmful to crops. (False)
10. Pesticides can harm the environment if not used carefully. (True)
11. The use of pesticides does not affect the soil. (False)
12. Organic pest control methods are always less effective than chemical methods. (False)
13. Traps can be used to capture rodents. (True)
14. Burrowing pests create holes in plants or soil. (True)
15. Chemical pesticides are safer than biological control methods. (False)
16. Weeds can compete with crops for water and nutrients. (True)
17. Pesticides help to increase crop yield. (True)
18. Biological control methods are harmful to the environment. (False)
19. Traps can be used to capture both insects and rodents. (True)
20. Weeds can be used as animal feed in some cases. (True)
21. Chemical pesticides are the most eco-friendly method of pest control. (False)
22. Pest control is necessary to protect crops and the environment. (True)
23. Using traps for pest control is an expensive method. (False)
24. Biological control involves the use of living organisms to control pests. (True)
25. Weeds do not affect crop growth. (False)
26. Crops should be rotated every year to prevent pests from building up. (True)
27. Chemical pesticides kill pests instantly. (False)
28. Setting up physical barriers like fences helps protect crops from pests. (True)
29. Weeds can provide shelter for beneficial insects. (True)
30. Using pesticides is the best way to control pests on a farm. (False)

Part D: Fill-in-the-Gaps Questions

30 Fill-in-the-Blank Questions

1. __________ control involves using chemicals to eliminate pests.
2. Pests that feed on plants are called __________ pests.
3. __________ rotation helps reduce the build-up of pests on crops.
4. Weeds compete with crops for __________, water, and light.
5. __________ insects are harmful because they suck plant juices.
6. Ladybugs are used to control __________ on crops.
7. __________ methods of pest control use traps and physical barriers.
8. The __________ method of pest control uses predators or natural enemies of pests.
9. The use of __________ can damage beneficial insects in the environment.
10. __________ is an example of a burrowing pest that damages crops.
11. __________ is a common weed found in many farmlands.
12. __________ insects create holes in plants or soil.
13. Weeds are considered __________ because they grow in places where they are not wanted.
14. __________ can be used to control pests without harming the environment.
15. __________ control uses mechanical tools to remove pests.
16. The __________ method of pest control is the use of biological agents.
17. __________ are an important part of pest management in organic farming.
18. __________ traps can capture flying insects.
19. __________ control uses physical methods like nets and barriers.
20. A common example of a pest that spreads disease to crops is the __________.
21. __________ are used to spray chemicals on crops to kill pests.
22. __________ are harmful pests that damage crops by feeding on them.
23. __________ pests are controlled by using natural predators.
24. __________ are often used to catch rodents on farms.
25. __________ insects feed on plants and can damage crops.
26. __________ control methods do not harm the environment.
27. __________ weeds are hard to control because their seeds spread easily.
28. __________ control involves using living organisms like bugs to control pests.
29. __________ are small, sucking insects that damage plants.
30. __________ is used to control pests by eliminating their food sources.

End of Examination