20 JSS3 Third Term Agricultural Science questions with options and answers:
What is the primary function of the flower in a plant?
a) Photosynthesis
b) Water absorption
c) Reproduction
d) Transpiration
Answer: c) Reproduction
In agriculture, what is the purpose of adding organic matter to the soil?
a) Pest control
b) Weed suppression
c) Soil fertility improvement
d) Water conservation
Answer: c) Soil fertility improvement
What is the primary role of the wind in pollination?
a) Seed production
b) Transport of pollen
c) Water absorption
d) Photosynthesis
Answer: b) Transport of pollen
Which of the following is a method of organic pest control that involves using beneficial insects?
a) Crop rotation
b) Companion planting
c) Biological control
d) Green manuring
Answer: c) Biological control
What is the significance of nitrogen-fixing plants in agriculture?
a) Soil aeration
b) Weed suppression
c) Nitrogen enrichment in the soil
d) Pest management
Answer: c) Nitrogen enrichment in the soil
Which farming practice involves planting different crops in alternating rows to maximize space and yield?
a) Strip cropping
b) Mixed farming
c) Intercropping
d) Monoculture
Answer: c) Intercropping
What is the primary function of the sepal in a flower?
a) Protection of the flower bud
b) Pollination
c) Seed production
d) Photosynthesis
Answer: a) Protection of the flower bud
In animal husbandry, what is the purpose of dehorning cattle?
a) To increase milk production
b) To prevent injury to other animals
c) To improve meat quality
d) To control pests
Answer: b) To prevent injury to other animals
What is the importance of crop rotation in preventing soil-borne diseases?
a) Weed control
b) Pest resistance
c) Disease management
d) Water conservation
Answer: c) Disease management
Which of the following is a method of soil conservation that involves plowing across the contour lines of a slope?
a) Contour plowing
b) Agroforestry
c) Terrace farming
d) Strip cropping
Answer: a) Contour plowing
What is the primary function of the cotyledon in a seed?
a) Water absorption
b) Seed production
c) Photosynthesis
d) Nutrient storage for seedling growth
Answer: d) Nutrient storage for seedling growth
Which farming system involves the integration of crops and livestock on the same farm?
a) Aquaculture
b) Mixed farming
c) Sericulture
d) Hydroponics
Answer: b) Mixed farming
What is the significance of using cover crops in fallow fields?
a) Soil fertility improvement
b) Pest control
c) Weed suppression
d) Water conservation
Answer: c) Weed suppression
In agriculture, what is the primary purpose of the harrow?
a) Plowing
b) Irrigation
c) Weed control
d) Seedbed preparation
Answer: d) Seedbed preparation
Which of the following is a method of soil conservation that involves leaving strips of vegetation in between cultivated areas?
a) Strip cropping
b) Contour plowing
c) Windbreaks
d) Crop rotation
Answer: c) Windbreaks
What is the primary function of the corm in a plant?
a) Seed production
b) Water absorption
c) Storage of food reserves
d) Photosynthesis
Answer: c) Storage of food reserves
Which farming method involves growing crops on vertical stacks, often in a controlled environment?
a) Aquaponics
b) Vertical farming
c) Greenhouse farming
d) Hydroponics
Answer: b) Vertical farming
What is the purpose of using a plow in agriculture?
a) Water absorption
b) Soil aeration
c) Weed control
d) Seedbed preparation
Answer: d) Seedbed preparation
What is the significance of crop rotation in preventing soil erosion?
a) Improved nutrient cycling
b) Enhanced pest control
c) Reduction in weed competition
d) Maintaining soil structure
Answer: d) Maintaining soil structure
In poultry farming, what is the purpose of debeaking?
a) To enhance egg production
b) To control pests
c) To prevent cannibalism and feather pecking
d) To improve meat quality
Answer: c) To prevent cannibalism and feather pecking.
FAQs
What topics are commonly covered in JSS3 third term Agricultural Science past questions?
JSS3 third term Agricultural Science past questions usually cover topics such as crop production, animal husbandry, soil fertility, pest and disease control, agricultural tools and equipment, and basic agricultural practices. These questions often test both theoretical knowledge and practical understanding.
Where can I find JSS3 third term Agricultural Science past questions and answers?
You can find JSS3 third term Agricultural Science past questions and answers from school libraries, teachers, online educational platforms, and past question compilations published by educational authors. Some websites offer free downloadable PDFs of past questions for practice.
How can practicing past questions help in preparing for JSS3 Agricultural Science exams?
Practicing past questions helps students familiarize themselves with exam formats, question types, and commonly tested topics. It also improves time management, boosts confidence, and highlights areas that need more focus, ensuring better preparation for exams.
Are the answers to JSS3 third term Agricultural Science past questions reliable for study purposes?
Yes, answers provided in reputable past question compilations or verified by teachers are generally reliable. However, students should cross-check answers with textbooks and class notes to ensure full understanding and accuracy, especially for practical and application-based questions.
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