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
- Weeds are unwanted __________ that grow among crops.
a) plants
b) animals
c) pests
d) insects - __________ are animals or insects that harm crops.
a) Farmers
b) Pests
c) Weeds
d) Seeds - __________ is a method of controlling pests by using chemicals.
a) Biological control
b) Physical control
c) Chemical control
d) Mechanical control - __________ are examples of burrowing insect pests.
a) Ants
b) Termites
c) Aphids
d) Grasshoppers - Pesticides help to __________ pests that damage crops.
a) water
b) attract
c) kill
d) ignore - __________ insects damage plants by sucking plant juices.
a) Piercing
b) Flying
c) Burrowing
d) Pollinating - A __________ is an example of a piercing and sucking insect.
a) Grasshopper
b) Butterfly
c) Aphid
d) Termite - Crop __________ is used to control pests by rotating crops each season.
a) weeding
b) planting
c) rotation
d) cutting - __________ 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 - Weeds reduce crop __________ by competing for nutrients, light, and water.
a) size
b) yield
c) taste
d) color - A __________ is an example of a natural predator used in biological control.
a) Ladybug
b) Aphid
c) Termite
d) Ant - The __________ method of pest control uses living organisms to control pests.
a) chemical
b) mechanical
c) biological
d) physical - Weeds are considered __________ because they are not wanted in a farm.
a) useful
b) harmful
c) beneficial
d) tasty - __________ is a common method used to control weeds on a farm.
a) Trapping
b) Weeding
c) Irrigating
d) Pruning - __________ control involves setting physical barriers like fences or nets to keep pests away.
a) Chemical
b) Physical
c) Biological
d) Biological - __________ is an example of a weed that can harm crops.
a) Tomato
b) Grass
c) Dandelion
d) Cabbage - __________ insects are harmful because they create holes in plants or soil.
a) Burrowing
b) Pollinating
c) Flying
d) Sucking - __________ is a sign that pests have damaged crops.
a) Healthy leaves
b) Wilting plants
c) Bright flowers
d) Strong roots - __________ is an example of an organic method of pest control.
a) Using pesticides
b) Using traps
c) Using ladybugs
d) Using machines - __________ is a form of pest control that involves catching pests using traps.
a) Chemical control
b) Physical control
c) Biological control
d) Mechanical control - __________ can be harmful to the environment and should be used carefully.
a) Organic methods
b) Pesticides
c) Natural predators
d) Traps - __________ pests can harm crops by feeding on them.
a) Harmful
b) Beneficial
c) Neutral
d) Helpful - __________ can help prevent pests from damaging crops.
a) Pruning
b) Planting early
c) Using pesticides
d) All of the above - __________ pests damage crops by feeding on them or spreading diseases.
a) Beneficial
b) Harmful
c) Neutral
d) Helpful - Weeds compete with crops for __________.
a) sunlight
b) space
c) water
d) all of the above - __________ is an example of a burrowing insect.
a) Mosquito
b) Aphid
c) Termite
d) Ladybug - __________ control involves the use of living organisms like predators to control pests.
a) Physical
b) Mechanical
c) Chemical
d) Biological - __________ is a common pest that spreads diseases to plants.
a) Mosquito
b) Aphid
c) Rat
d) Termite - __________ can be used to control pests without harming the environment.
a) Chemical pesticides
b) Biological control
c) Harmful sprays
d) Both a and b - __________ 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
- What are weeds, and how do they affect crops?
- Explain the difference between piercing and sucking insect pests and burrowing insect pests.
- Name two methods of controlling pests on a farm.
- How does crop rotation help control pests?
- What is biological pest control, and why is it effective?
- Why is using pesticides to control pests sometimes harmful?
- Explain the role of natural predators in pest control.
- How can hand weeding help control weeds on a farm?
- What are some signs that pests have attacked a crop?
- How do weeds reduce the yield of crops?
- Name two common pests that damage crops.
- How can setting traps help in pest control?
- What are some advantages of using biological pest control?
- Explain the effect of chemical pesticides on beneficial insects.
- What are some methods farmers can use to prevent pests from damaging their crops?
- Describe how mechanical methods of pest control work.
- What are the advantages of using organic methods of pest control?
- Why should pests be controlled as soon as they are identified?
- What is the disadvantage of using chemical pesticides?
- Explain how setting physical barriers helps control pests.
- What are the benefits of using ladybugs in pest control?
- Describe the process of using traps for pest control.
- Why is it important to control weeds on a farm?
- How does biological control differ from chemical control?
- What are the effects of pests on crops?
- How can you tell if a plant has been damaged by pests?
- How does crop rotation reduce pest populations?
- What is the purpose of using herbicides on a farm?
- How does setting traps help in pest control?
- What are some examples of burrowing pests, and how do they damage crops?
Part C: True or False Questions
30 True or False Questions
- Weeds are harmful because they reduce crop yield. (True)
- All pests are beneficial to plants. (False)
- Pesticides are always eco-friendly. (False)
- Crop rotation helps reduce pest populations. (True)
- Ladybugs can be used to control pests like aphids. (True)
- Weeds do not need to be controlled because they don’t harm crops. (False)
- Biological control methods use chemicals to kill pests. (False)
- Traps are a form of mechanical pest control. (True)
- All pests are harmful to crops. (False)
- Pesticides can harm the environment if not used carefully. (True)
- The use of pesticides does not affect the soil. (False)
- Organic pest control methods are always less effective than chemical methods. (False)
- Traps can be used to capture rodents. (True)
- Burrowing pests create holes in plants or soil. (True)
- Chemical pesticides are safer than biological control methods. (False)
- Weeds can compete with crops for water and nutrients. (True)
- Pesticides help to increase crop yield. (True)
- Biological control methods are harmful to the environment. (False)
- Traps can be used to capture both insects and rodents. (True)
- Weeds can be used as animal feed in some cases. (True)
- Chemical pesticides are the most eco-friendly method of pest control. (False)
- Pest control is necessary to protect crops and the environment. (True)
- Using traps for pest control is an expensive method. (False)
- Biological control involves the use of living organisms to control pests. (True)
- Weeds do not affect crop growth. (False)
- Crops should be rotated every year to prevent pests from building up. (True)
- Chemical pesticides kill pests instantly. (False)
- Setting up physical barriers like fences helps protect crops from pests. (True)
- Weeds can provide shelter for beneficial insects. (True)
- 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
- __________ control involves using chemicals to eliminate pests.
- Pests that feed on plants are called __________ pests.
- __________ rotation helps reduce the build-up of pests on crops.
- Weeds compete with crops for __________, water, and light.
- __________ insects are harmful because they suck plant juices.
- Ladybugs are used to control __________ on crops.
- __________ methods of pest control use traps and physical barriers.
- The __________ method of pest control uses predators or natural enemies of pests.
- The use of __________ can damage beneficial insects in the environment.
- __________ is an example of a burrowing pest that damages crops.
- __________ is a common weed found in many farmlands.
- __________ insects create holes in plants or soil.
- Weeds are considered __________ because they grow in places where they are not wanted.
- __________ can be used to control pests without harming the environment.
- __________ control uses mechanical tools to remove pests.
- The __________ method of pest control is the use of biological agents.
- __________ are an important part of pest management in organic farming.
- __________ traps can capture flying insects.
- __________ control uses physical methods like nets and barriers.
- A common example of a pest that spreads disease to crops is the __________.
- __________ are used to spray chemicals on crops to kill pests.
- __________ are harmful pests that damage crops by feeding on them.
- __________ pests are controlled by using natural predators.
- __________ are often used to catch rodents on farms.
- __________ insects feed on plants and can damage crops.
- __________ control methods do not harm the environment.
- __________ weeds are hard to control because their seeds spread easily.
- __________ control involves using living organisms like bugs to control pests.
- __________ are small, sucking insects that damage plants.
- __________ is used to control pests by eliminating their food sources.
End of Examination