NECO 2024 Agricultural Science Theory And Objectives Question and Answers

2024 NECO Agricultural Science Essay and Objective Questions Papers are now available

ANSWERS

AGRIC SCIENCE OBJ
01-10: CADBDBEDBA
11-20: EADDADACAC
21-30: CCAEADADDE
31-40: BBACCCDBCD
41-50: AACEDAADAC
51-60: EEDACEBDAC

COMPLETED

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NECO AGRIC SCIENCE THEORY ANSWERS

NUMBER ONE

(1a)
(PICK ANY FIVE)
(i) Employment generation
(ii) Contribution to Gross Domestic Product (GDP)
(iii) Provision of raw materials for agro-industries
(iv) Export earnings for foreign exchange
(v) Income generation for rural communities
(vi) Enhancement of food security and nutrition
(vii) Conservation of natural resources

(1bi)
-Inconsistent Government Policies-
(PICK ANY THREE)
(i) Develop consistent long-term policies that encourage investment and innovation in agriculture.
(ii) Foster stakeholder involvement in policy-making to ensure policies align with needs and realities.
(iii) Provide incentives for agricultural producers and businesses to attract and retain investment.
(iv) Enhance regulatory frameworks to prevent policy reversals and promote stability.
(v) Engage with international organizations and development partners to harmonize policies.

(1bii)
-Unpredictable Climate-
(PICK ANY THREE)
(i) Invest in research and development of drought-tolerant and disease-resistant crop varieties.
(ii) Implement irrigation systems to manage water scarcity and mitigate drought impacts.
(iii) Promote conservation farming practices, such as mulching and crop rotation, to enhance soil moisture retention.
(iv) Develop early warning systems to forecast weather conditions and prepare farmers for extreme events.
(v) Provide crop insurance and disaster relief programs to mitigate the economic effects of climate-related disasters.

(1c)
(PICK ANY FIVE)
(i) Precision: Tree puller removes trees selectively, preserving valuable soil and preventing erosion.
(ii) Minimal soil disturbance: Unlike bulldozers, tree pullers do not compact soil or damage root systems of neighboring plants.
(iii) Environmentally friendly: Tree pullers avoid the release of harmful emissions associated with bulldozers.
(iv) Energy efficiency: Tree pullers are more fuel-efficient than bulldozers, reducing operating costs.
(v) Cost-effectiveness: Tree pullers may be more economical for small-scale land clearing operations.
(vi) Habitat preservation: Tree pullers can be used to remove specific trees without disturbing the surrounding ecosystem.
(vii) Selective harvesting: This allows farmers to retain desirable trees, such as fruit-bearing or shade trees, while removing undesirable ones.

NUMBER TWO

(2ai)
Farm planning is the systematic process of organizing and managing the resources of a farm to achieve specific goals and objectives. It involves developing a comprehensive plan that outlines the farm’s objectives, strategies, and actions required to reach those objectives.

(2aii)
[In a Tabular form]

-Gunter’s Chain-
(PICK ANY ONE)
(i) Measuring distances during land surveying
(ii) Establishing baselines for triangulation
(iii) Laying out plots and fields
(iv) Determining the area of land

-Theodolite-
(PICK ANY ONE)
(i) Measuring horizontal and vertical angles
(ii) Establishing reference points for surveying
(iii) Leveling and aligning structures
(iv) Surveying buildings and other structures

-Beacon-
(PICK ANY ONE)
(i) Marking reference points for surveying
(ii) Establishing temporary benchmarks
(iii) Identifying property boundaries
(iv) Providing visual landmarks for navigation

-Prismatic Compass-
(PICK ANY ONE)
(i) Determining the magnetic north direction
(ii) Measuring bearings and angles
(iii) Orienting maps and plans
(iv) Surveying land boundaries

(2b)
(PICK ANY FIVE)
(i) Improved crop yields through genetic engineering and biotechnology
(ii)!Precision farming techniques for efficient resource use
(iii) Disease and pest control through advanced diagnostics and treatments
(iv) Mechanization to increase labor productivity and reduce costs
(v) Development of sustainable farming practices to protect the environment
(vi) Data analytics for informed decision-making and risk management
(vii) Access to real-time information and market data through mobile technologies

(2c)
(PICK ANY FIVE)
(i) Provision of raw materials: Agriculture provides raw materials, such as crops, livestock, and fiber, for agro-allied industries.
(ii) Value addition: Agro-allied industries process agricultural products into value-added products, such as food, beverages, and textiles.
(iii) Employment creation: Both agriculture and agro-allied industries generate employment opportunities in rural and urban areas.
(iv) Economic growth: The growth of agro-allied industries contributes to overall economic growth and development.
(v) Technology transfer: Agro-allied industries often introduce new technologies and practices into the agricultural sector.
(vi) Market linkages: Agro-allied industries provide markets for agricultural products, ensuring stable incomes for farmers.
(vii) Diversification: The development of agro-allied industries diversifies the rural economy, reducing dependence on primary agricultural production.

NUMBER THREE

(3ai)
Soil pH: Soil pH affects agricultural production by influencing nutrient availability, soil microbial activity, and the solubility of toxic elements. Different crops have different pH requirements, and soil pH can impact plant growth and overall yield.

(3aii)
Soil structure: Soil structure refers to the arrangement of soil particles and affects factors such as water infiltration, root penetration, and oxygen availability. Good soil structure promotes healthy root growth and improves water retention, leading to better agricultural production.

(3aiii)
Topography: Topography influences agricultural production by affecting factors like water drainage, erosion, and sunlight exposure. Sloped terrains can lead to soil erosion and water runoff, while flat terrains may experience waterlogging. Proper management of topography can optimize agricultural productivity.

(3b)
(PICK ANY FOUR)
(i) Rocks provide essential minerals and nutrients to the soil, supporting plant growth.
(ii) Rocks serve as a source of building materials for infrastructure in agriculture, such as stone walls or pathways.
(iii) Rocks help in soil stabilization and erosion control in agricultural fields.
(iv) Certain rocks, like limestone, can be used to adjust soil pH and improve soil fertility.
(v) Rocks are used in the construction of irrigation structures and water containment systems.
(vi) Rocks are valuable for landscaping and beautification of agricultural areas.

(3c)
(PICK ANY THREE)
(i) Leaching: Nitrogen can be washed out of the soil by excess water, leading to nutrient runoff.
(ii) Denitrification: Microbial processes can convert soil nitrogen into gaseous forms, such as nitrous oxide, which is lost to the atmosphere.
(iii) Volatilization: Ammonium nitrogen can be converted into ammonia gas and lost to the air.
(iv) Erosion: Soil erosion can result in the loss of nitrogen-rich topsoil.
(v) Plant uptake: Nitrogen can be taken up by plants and harvested, removing it from the soil system.
(vi) Fixation: Certain soil minerals can bind nitrogen, making it less available to plants.

(3d)
(PICK ANY THREE)
(i) Pesticides and herbicides
(ii) Heavy metals
(iii) Industrial chemicals and wastes
(iv) Fertilizers
(v) Plastic debris
(vi) Oil and petroleum products

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