WAEC 2023 Agric Science Questions And Awswers

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WAEC 2023 Agric Science Questions And Awswers

Question 5

(5a)
PLEASE TABULATE:

SYMPTOMS:
(iv) Red lesions on the heads chest, forelegs and ridges

DISEASES:
(i) Tuberculosis
(viii) Rinder pest

PREVENTION:
(ii) Isolation if infected animal
(iii) Good sanitation
(v) Vaccination
(vii) Good sanitation
(viii) Vaccination
(ix) Restrict infected animals movement

(5bi)
(PICK ANY TWO)
(i) The primary role of the queen bee is to lay eggs
(ii) They reproduce by mating with drones (male bees) to fertilize the eggs
(ii) It produce chemical scents that help maintain social cohesion within the colony
(iii) The queen bee contributes to the genetic diversity of the colony by mating with drones from different colonies.
(iv) The queen’s pheromones inhibit the reproductive abilities of the worker bees, preventing them from laying eggs and ensuring that the queen remains the sole reproducer in the colony.

(5bii)
(PICK ANY TWO)
(i) Worker bees care for the brood (eggs, larvae, and pupae) in the colony
(ii) Worker bees are responsible for maintaining the cleanliness and hygiene of the hive.
(iii)They help in making the wax
(iv) They are responsible for collecting nectar, pollen, water, and propolis (plant resins) from the surrounding environment.

(5c)
(PICK ANY FIVE)
(i) They aid the decompositions
(ii) To prevent pollution
(iii) It makes the action of the bacteria rapid
(iv) To Prevent interference by rain or sun
(v) To retain moisture and reduce odour
(vi) It helps prevent access to the decomposing organic matter, reducing the chances of infestations by rodents, insects, and scavengers that may disrupt the composting process
(vii) The cover helps retain the nutrients present in the composting materials.
(viii) A cover helps suppress weed growth within the compost pile.

Question 2

(2ai)
(Pick one)

Agricultural ecology can simply be defined as the study of crop plants and farm animals in relation to their environment

OR

Agricultural ecology can be defined as a field of study which deals with the relationship of living organisms with one another and with the environment in which they live

(2aii)
(PICK ONE)
Ecosystem refers to a community of crop plants and farm animals functioning together with their non-living environment.

OR

Ecosystem consists of living factors(plants and animals) interacting with the non-living factors in the farm environment

(2bi)
(Pick Any Two)

(i)plants
(ii)animals
(iii)bacterias

(2bii)
(Pick Any Two)

(i) Temperature
(ii) water
(iii) oxygen
(iv)rainfall
(v)Wind

(2c)
(Pick Any Five)

(i)Adequate ventilation
(ii) Ensure regular cleaning and proper sealing
(iii)Ensure Temperature and humidity control
(iv)Ensure Proper stacking and Use sturdy and clean bags
(v)clean and prepare the storage area
(vi) Ensure regular inspection and protects from pests

(2d)
(Pick Any Four)

(i)Petunia
(ii)Marigold
(iii)Begonia
(iv)Geranium
(v)Zinnia
(vi)Lobelia
(vii)Impatiens

Question 1

(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

Question 4

(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.

Also Read: WAEC 2023 English Language Questions and Answers

WAEC Agric Obj Answers 2023

AGRIC-OBJ
01-10: CDCBCABCAD
11-20: BCCBCACCAC
21-30: CBABACCABD
31-40: ACDCBDADDA
41-50: CBADACCBCA

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