EXAM: WAEC 2025
SUBJECT: agric practical
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(1a)
(i)Low soil nitrogen levels
(ii)Soil pH adjustment
(1b)
(i)Broadcasting: Spreading fertilizers evenly over the field.
(ii)Band placement: Placing fertilizers in bands near the seeds or plants.
(iii)Foliar application: Spraying fertilizers directly on plant leaves.
(iv)Fertigation: Applying fertilizers through irrigation systems.
(1c)
(i)Potatoes
(ii)Bananas
(iii)Sugarcane
(iv)Tomatoes
(1d)
(i)Nutrient enrichment
(ii)Improved soil structure
(iii)Increased microbial activity
(iv)Sustainable resource
(v)Reduced waste
(2a)
SPECIMEN E:
(PICK THREE ONLY)
(i) Clearing bushes and shrubs
(ii) Harvesting crops like maize
(iii) Pruning branches of plants
(iv) Cutting wood for staking or fencing
(v) Weeding between crops
(vi) Digging shallow holes for planting
SPECIMEN F:
(PICK THREE ONLY)
(i) Digging soil for planting
(ii) Turning and loosening the soil
(iii) Mixing soil with fertilizers or manure
(iv) Removing weeds
(v) Transplanting seedlings
(vi) Leveling and shaping seedbeds
(2b)
(2c)
(PICK FIVE ONLY)
(i) Clean regularly after each use
(ii) Lubricate the wheel regularly to reduce friction
(iii) Store in a dry, shaded place to prevent rust
(iv) Tighten all loose nuts and bolts
(v) Repaint rusting metal parts to prevent corrosion
(vi) Replace damaged or worn-out tyres
(vii) Avoid overloading to prevent frame damage
(viii) Inspect regularly and repair any damage promptly.
(3a)
[FILL IN THE TABLE]
=TYPE OF MOUTHPART=
Biting and chewing
=NATURE OF DAMAGE TO CROP=
Bore holes into yam tubers
=ONE EFFECT ON CROP=
Reduces market value/yield
=ONE CONTROL MEASURE=
Use of insecticides or pesticides
(3b)
J (Centrosema pubescens): Explosive mechanism (self-dispersal)
K (Spear grass): Wind dispersal
(3c)
J: The fruit bursts open when mature, scattering seeds.
K: The seeds are light and have hairy structures that allow them to be carried by wind.
(3d)
(i) Regular weeding or slashing before seed formation
(ii) Use of selective herbicides
(iii) Crop rotation or planting cover crops that suppress its growth
(3e)
(i) It has an extensive underground rhizome system, which allows it to regrow even after cutting.
(ii) It reproduces both by seeds and vegetative parts, making it spread rapidly.
(iii) Its seeds are easily dispersed by wind, leading to quick colonization of nearby areas.
(iv) It is resistant to many common herbicides, making chemical control less effective.
(4ai)
(i) Digestion of food.
(ii) Grinding of feed materials.
(4aii)
(i) Muscular walls for grinding.
(ii) Presence of grit for breaking down food.
(4b)
(i) Provides meat for food.
(ii) Supplies milk for consumption.
(iii) Produces wool or hair for textiles.
(iv) Used in agricultural labor.
(v) Source of manure for farming.
(4c)
(i) Ticks.
(ii) Lice.
(iii) Mites.
(4d)
(i) Protection from predators.
(ii) Regulation of body temperature.
(iii) Aid in sensory perception.
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