20 SS3 Third Term Agricultural Science questions with options and answers:
Question: What is the primary role of nitrogen-fixing bacteria in the soil?
A) Increase soil acidity
B) Convert nitrogen to nitrate
C) Fix atmospheric nitrogen into a usable form
D) Promote soil erosion
Answer: C) Fix atmospheric nitrogen into a usable form
Question: Which of the following is a method of organic pest control involving the use of natural substances to repel pests?
A) Biocontrol
B) Chemical fumigation
C) Insecticides
D) Synthetic fertilizers
Answer: A) Biocontrol
Question: What is the term for the removal of excess water from the soil to prevent waterlogging?
A) Irrigation
B) Drainage
C) Mulching
D) Cultivation
Answer: B) Drainage
Question: In poultry farming, what is the purpose of debeaking?
A) Enhance egg production
B) Control pests
C) Prevent cannibalism
D) Promote growth
Answer: C) Prevent cannibalism
Question: Which of the following is a method of soil conservation that involves plowing along the contour lines of a slope?
A) Contour plowing
B) Windbreaks
C) Terracing
D) Cover cropping
Answer: A) Contour plowing
Question: What is the term for the process of separating cream from milk?
A) Homogenization
B) Pasteurization
C) Churning
D) Creaming
Answer: D) Creaming
Question: Which disease affects cattle and is characterized by high fever, ulcers, and sudden death?
A) Foot-and-mouth disease
B) Anthrax
C) Bovine respiratory disease
D) Brucellosis
Answer: B) Anthrax
Question: What is the primary function of a crop rotation system in agriculture?
A) Pest control
B) Soil fertility improvement
C) Weed management
D) Harvest optimization
Answer: B) Soil fertility improvement
Question: Which of the following is a method of preserving food by removing air from the packaging?
A) Canning
B) Freezing
C) Vacuum packing
D) Drying
Answer: C) Vacuum packing
Question: What is the term for the practice of growing crops without the use of synthetic fertilizers or pesticides?
A) Organic farming
B) Conventional farming
C) Hydroponics
D) Precision farming
Answer: A) Organic farming
Question: Which agricultural practice involves the intentional planting of different crops together to benefit each other?
A) Companion planting
B) Crop rotation
C) Polyculture
D) Monoculture
Answer: A) Companion planting
Question: What is the purpose of lime in agriculture?
A) Control pests
B) Reduce soil acidity
C) Improve water retention
D) Enhance seed germination
Answer: B) Reduce soil acidity
Question: Which of the following is a method of preserving food by adding salt?
A) Pickling
B) Canning
C) Smoking
D) Drying
Answer: A) Pickling
Question: What is the primary function of a seed drill in agriculture?
A) Plowing
B) Seeding
C) Harvesting
D) Irrigating
Answer: B) Seeding
Question: In aquaculture, what does the term “aquaponics” refer to?
A) Fish farming
B) Seaweed cultivation
C) Integrated fish and plant cultivation
D) Shellfish farming
Answer: C) Integrated fish and plant cultivation (Aquaponics)
Question: What is the term for the process of breeding animals for specific traits through controlled mating?
A) Hybridization
B) Genetics
C) Selective breeding
D) Crossbreeding
Answer: C) Selective breeding
Question: Which disease affects chickens and is characterized by respiratory and nervous system symptoms?
A) Avian influenza
B) Newcastle disease
C) Coccidiosis
D) Marek’s disease
Answer: D) Marek’s disease
Question: What is the primary purpose of a rain gauge in agriculture?
A) Measure temperature
B) Monitor humidity
C) Assess rainfall
D) Determine wind speed
Answer: C) Assess rainfall
Question: Which of the following is a method of pest control that involves the release of sterile insects to disrupt reproduction?
A) Biological control
B) Sterilization control
C) Chemical control
D) Mechanical control
Answer: B) Sterilization control
Question: What is the purpose of a threshing machine in agriculture?
A) Plowing
B) Harvesting
C) Seeding
D) Irrigating
Answer: B) Harvesting.
FAQs
What is the best way to use SS3 Agricultural Science past questions for revision?
Using past questions effectively involves first studying your class notes and textbooks, then attempting the questions under exam conditions. Afterward, review the answers carefully to understand the reasoning behind each correct response and identify any recurring topics that may appear in your exams.
Are SS3 Agricultural Science past questions enough to pass the exam?
Past questions are a helpful revision tool, but they should not be your only study resource. You need to understand the underlying concepts, practical applications, and theories taught during the term to ensure you can answer both familiar and new questions.
Where can I find reliable SS3 Third Term Agricultural Science past questions and answers?
Reliable past questions can often be obtained from your school library, teachers, approved online educational platforms, or past students. Make sure the source provides both questions and accurate, detailed answers for comprehensive revision.
How should I approach the practical and theory questions in the past questions?
For theory questions, focus on clear explanations and proper use of agricultural terminology. For practical questions, practice the experiments or activities where possible, and review step-by-step procedures in the answers to understand the methods and reasoning behind them.
Also Read: SS1 Third Term Agricultural Science Past Questions and Answers



