SS3 Third Term Agricultural Science Past Questions And Answers
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.