2023 WAEC Agric Science Essay & OBJ Answers [18th May]
Get Free Live 2023 WAEC May/June Agricultural Science (AGRIC) Essay (Theory) and Objectives (OBJ) Questions and Answers for School Candidates Free of Charge | WAEC May/June Free AGRIC Questions and Answers EXPO Room (18th May, 2023).
WAEC May/June 2023 FREE AGRIC ANSWER ROOM [School Candidates]

Thursday, 18th May, 2023
Agricultural Science 2 (Essay) – 2:00pm – 4:10pm
Agricultural Science 1 (Objective) – 4:10pm – 5:00pm

2023 WAEC AGRICULTURAL SCIENCE OBJECTIVES (OBJ) ANSWERS:

1-10: CDCBCABCAB
11-20: ACCBCACCAC
21-30: CBABACCABD
31-40: BCDCBDADDA
41-50: CDADBCCACA

2023 WAEC AGRICULTURAL SCIENCE ESSAY OR THEORY ANSWERS

(1a)
(PICK ANY ONE
Credit in agricultural finance involves the provision of loans that must be repaid by borrowers, while subsidies are grants or direct payments provided by the government to support specific agricultural objectives without the requirement of repayment.


OR


Credit is a situation whereby sellers allow buyers to take possession of goods and services and pay later while subsidy is a situation whereby part of the money a buyer is meant to pay for good is paid for by the government


(1b)
(PICK ANY FIVE)
(i) Fertilizers
(ii) Seeds
(iii) Livestock feed
(iv) Research and development
(v) Crop insurance
(vi) Training and Education
(vii) Agricultural machinery
(viii) Energy
(ix) Pesticides and Herbicides
(x) Labour


(1c)
(PICK ANY SIX)
(i) Tire Inspection
(ii) Regular oil changes
(iii) Belt inspection and adjustment
(iv) Hydraulic system maintenance
(v) Fuel filter replacement
(vi) Greasing and lubrication of moving parts
(vii) Cleaning and replacing air filters
(viii) Inspecting and tightening bolts and connections


(1d)
(PICK ANY FIVE)
(i) Read and understand the operator's manual
(ii) Wear appropriate protective gear
(iii) Conduct pre-operation checks
(iv) Always check the water level
(v) Avoid loose clothing and jewelry
(vi) Use safety guards and shields
(vii) Clear the work area
(viii) Follow safe refueling practices like turning off the machinery before refueling

(2ai) 
Agricultural ecology is the scientific study of the interactions between agricultural systems and the surrounding natural environment, including the ecological processes, relationships, and dynamics within agricultural landscapes

OR

Agricultural ecology focuses on understanding the ecological principles and dynamics involved in agricultural systems, including the interactions between crops, livestock, soil, water, climate, pests, and beneficial organisms, and how these interactions influence sustainability, productivity, and environmental impacts.

OR

Agricultural ecology explores the ecological interactions and feedbacks between agricultural components (such as crops, livestock, and farming practices) and the surrounding ecological factors (such as soil, climate, water, and biodiversity), with the goal of promoting ecological sustainability, biodiversity conservation, and the efficient use of resources in agricultural systems.

(2aii) 
(PICK ANY ONE)
An ecosystem is a dynamic and interconnected system that includes cultivated crops, livestock, soil, water resources, and the associated biological, physical, and chemical processes within a farming environment.

OR

An ecosystems refer to the managed ecosystems in which agricultural activities take place, involving the interactions between crops, animals, farmers, and the surrounding environment, including soil, water, air, and biodiversity.

OR

An ecosystems can be defined as the integrated systems of crops, livestock, and their environment, encompassing the interactions and interdependencies between agricultural components, natural resources, and human management practices.

OR

An ecosystem refers to the complex interaction between living organisms, including plants, animals, and microorganisms, and the physical environment in which they exist within the context of agriculture

(2bi)
(PICK ANY TWO)
(i) crops
(ii) livestocks
(iii) soil microorganisms
(iv) insects
(v) Birds
(vi) Earthworms

(2bii)
(PICK ANY THREE) 
(i) Soil
(ii) Air
(iii) Water
(iv) Temperature
(v) Rock and Minerals
(vi) Sunlight
(vii) Topoghraphy

(2c)
(PICK ANY FIVE)
(i) Ensure that the storage area is clean, dry, and free from pests or any sources of contamination. 
(ii) Use high-quality, airtight bags or containers specifically designed for grain storage.
(iii) Maize should be properly dried before storage to prevent spoilage.
(iv) Install ventilation systems or place the bags in a way that allows air to circulate freely,in order to reduce the risk of moisture buildup.
(v) Implement effective pest control measures to avoid infestations.
(vi) Avoid exposure to extreme heat or direct sunlight.
(vii) Regularly inspect the stored maize for any signs of spoilage, mold, or pest activity. 
(viii) Stack the bags of maize properly, ensuring that they are stable and not prone to collapsing.

(2d)
(PICK ANY FOUR)
(i) Rose 
(ii) Hibiscus 
(iii) Sunflower
(iv) Tulip
(v) Lily
(vi) Dahlia
(vii) Iris

(4a)
(i) Clearing
(ii) Tillage
(iii) Ridging
(iv) Planting


(4b)
(PICK ANY THREE)
(i) It serves as food
(ii) It can be utilized as a source of animal feed
(iii) Cassava tubers can be processed into various food products
(iv) Cassava plants are utilized in certain regions for their ability to improve soil fertility, control erosion, and prevent nutrient depletion.
(v) In some traditional medicinal practices, cassava tubers and leaves are used for their potential therapeutic properties
(vi) Cassava starch can be used to produce biodegradable packaging materials
(vii) Cassava tubers have industrial applications in various sectors like in the textile industry for sizing fabrics and improving their quality.


(4ci)
Expected number of yam plants = Number of planting spots per hectare * Total area of the farmland
Expected number of yam plants = 10,000 * 1.5 = 15,000
Therefore, the expected number of yam plants on the 1.5 hectares of farmland would be 15,000 plants.


(4cii)
Total weight = Expected number of yam plants * Average weight of each yam tuber
Total weight = 15,000 * 3.5 kg = 52,500 kg
Therefore, the total weight of the yam tubers harvested on the 1.5 hectares of farmland would be 52,500 kilograms (or 52.5 metric tons).


(4d)
Diet refers to the overall composition and combination of feeds and ingredients that an animal consumes over a certain period WHILE a ration, on the other hand, is a specific amount or quantity of feed that is provided to an animal during a single feeding event or within a specific time period, typically a day.

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