WAEC Agricultural Science Specimens 2025: Full List, Descriptions, Botanical Names, and Key Uses
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All the detailed description of WAEC Agric Practical Specimens 2025 (May/June) can be found here on TJ News Nigeria.
The WAEC Agricultural Science Practical Specimens for 2025 May/June examinations have been officially released.
As students across West Africa prepare for the 2025 West African Senior School Certificate Examination (WASSCE), here is a comprehensive guide to the WAEC Agricultural Science practical specimens, including their botanical names (where applicable) and four key uses each. This guide ensures candidates are equipped with accurate, exam-relevant knowledge.
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Is WAEC Agric Practical Specimens 2025 Out?
Yes, the WAEC Agric Practical Specimens for 2025 are now available. Schools have received the official list, and we have compiled and verified the information here to help you prepare effectively for your exam.
Important Note: Candidates must not have access to the official specimens before the scheduled examination time. The information below is intended strictly for preparation purposes.
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WAEC Agricultural Science Practical Specimens 2025
Each candidate should be provided with the following specimens and labeled as specified:
- Specimen A: Ammonium Sulphate (labelled)
- Specimen B: Muriate of Potash (labelled)
- Specimen C: Cow Dung (unlabelled)
- Specimen D: Compost (labelled)
- Specimen E: Cutlass
- Specimen F: Spade
- Specimen G: Wheelbarrow
- Specimen H: Yam Beetle
- Specimen I: Cowpea Weevil
- Specimen J: Centrosema pubescens (cover crop)
- Specimen K: Spear Grass
- Specimen L: Chicken Gizzard
- Specimen M: Fresh Goat Skin (with hair)
- Specimen N: Animal Horn
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Specimen A: Ammonium Sulphate – (NH₄)₂SO₄
Description:
A white crystalline salt used extensively as a nitrogen-based fertilizer. It also contains sulfur, an essential element for plant development.
Uses:
- Provides nitrogen for vegetative growth in crops.
- Supplies sulfur needed for chlorophyll and protein synthesis.
- Helps lower the pH of alkaline soils.
- Enhances green coloration and leaf development.
- Used in foliar sprays for rapid nitrogen correction.
Specimen B: Muriate of Potash – (Potassium Chloride, KCl)
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Description:
A pink or white salt that supplies potassium, a vital macronutrient for plant health and productivity.
Uses:
- Boosts fruiting and flowering in crops.
- Enhances drought resistance and water-use efficiency.
- Strengthens cell walls and plant stems.
- Improves shelf life, color, and taste of produce.
- Regulates enzyme activation and photosynthesis.
Specimen C: Cow Dung (Animal Waste)
Description:
A decomposed mixture of feces and urine from cattle, rich in organic matter and nutrients.
Uses:
- Acts as a natural fertilizer for enhancing soil fertility.
- Improves soil texture, aeration, and water retention.
- Source of fuel when dried (in some rural settings).
- Used in composting and biogas generation.
- Helps suppress weeds and pests when used as mulch.
Specimen D: Compost (Decomposed Organic Matter)
Description:
A nutrient-rich humus produced from decomposed plant and animal matter.
Uses:
- Enriches soil with essential macro and micronutrients.
- Promotes soil microbial activity and root development.
- Reduces dependency on synthetic fertilizers.
- Recycles kitchen and farm waste into useful matter.
- Improves moisture retention in sandy soils.
Specimen E: Cutlass (Farm Tool)
Description:
A hand tool with a long, curved metal blade attached to a handle, used widely in African farming.
Uses:
- Clearing grass, bushes, and light forest areas.
- Harvesting crops like maize, cassava, and sugarcane.
- Cutting plant stalks and pruning branches.
- Opening feed bags, sacks, and bales.
- Used in traditional fencing and staking activities.
Specimen F: Spade (Farm Tool)
Description:
A flat-bladed digging tool with a long handle, used primarily for soil-related activities.
Uses:
- Digging and turning over soil before planting.
- Transplanting seedlings and mature plants.
- Mixing manure or compost into the soil.
- Digging trenches for irrigation and drainage.
- Removing weeds with deep roots.
Specimen G: Wheelbarrow (Farm Implement)
Description:
A one- or two-wheeled cart with handles used for manually transporting materials.
Uses:
- Moving compost, manure, and fertilizers around the farm.
- Carrying harvested produce from field to store.
- Transporting tools and farm inputs easily.
- Useful in land preparation and farm construction.
- Helps minimize labor and time during heavy lifting.
Specimen H: Yam Beetle – Heteroligus spp. (Insect Pest)
Description:
A destructive beetle that bores into yam tubers, causing substantial damage during and after harvest.
Uses (or Impacts):
- Bores into yam tubers, leading to decay and rot.
- Reduces market quality and commercial value of yam.
- Facilitates fungal infection in damaged tubers.
- Causes yield losses and food insecurity.
- Controlled through insecticides, crop rotation, and resistant varieties.
Specimen I: Cowpea Weevil – Callosobruchus maculatus
Description:
A small beetle known for infesting and damaging stored cowpea (beans) seeds.
Uses (or Impacts):
- Infests and bores into cowpea grains in storage.
- Reduces germination ability of infested seeds.
- Leads to serious economic losses for farmers.
- Causes weight and nutrient loss in cowpeas.
- Controlled through fumigation, airtight storage, and natural repellents.
Specimen J: Centrosema pubescens (Leguminous Cover Crop)
Description:
A fast-growing leguminous plant used as ground cover and forage, with nitrogen-fixing ability.
Uses:
- Prevents soil erosion by covering bare soil.
- Improves soil fertility through nitrogen fixation.
- Suppresses weed growth by shading them out.
- Used as livestock fodder due to its protein content.
- Serves as green manure when ploughed into the soil.
Specimen K: Spear Grass – Imperata cylindrica
Description:
A tough perennial grass known for its deep root system and fast spread. Often considered a weed.
Uses:
- Used as thatch for roofing in rural areas.
- Young shoots serve as livestock fodder.
- Provides erosion control through its dense roots.
- Can be used for mulching in land reclamation.
- Recognized as a difficult weed competing with crops.
Specimen L: Chicken Gizzard (Poultry Digestive Organ)
Description:
A muscular part of the bird’s stomach responsible for grinding food.
Uses:
- Studied in biology to understand avian digestion.
- Ground and added to animal feed as a protein source.
- Consumed as a delicacy in many cuisines.
- Helps chickens mechanically break down grains.
- Sometimes used in traditional medicine practices.
Specimen M: Fresh Goat Skin with Hair (Animal By-product)
Description:
The fresh hide of a goat, often processed into leather or other materials.
Uses:
- Tanned into leather for making shoes, bags, and belts.
- Goat hair used in producing brushes and textiles.
- Employed in traditional and herbal medicine.
- Processed into gelatin for industrial applications.
- Can be studied in biology or veterinary anatomy.
Specimen N: Animal Horn (Animal By-product)
Description:
A hard, bony structure growing from the skulls of cattle and other animals.
Uses:
- Carved into combs, ornaments, and buttons.
- Ground into organic fertilizer or feed supplement.
- Used in cultural rituals and traditional medicine.
- Refined into adhesives or gelatin in industry.
- Sometimes used in crafts and decorative arts.
Detailed Description of WAEC 2025 Agric Practical Specimens
Specimen A: Ammonium Sulphate
A nitrogen-based inorganic fertilizer containing ~21% nitrogen. Promotes leafy crop growth and improves yield, especially in acidic soils.
Specimen B: Muriate of Potash
Also called potassium chloride. Essential for root development, disease resistance, and overall crop productivity.
Specimen C: Cow Dung
Natural organic manure from cattle. Enhances soil structure, improves microbial activity, and increases soil fertility.
Specimen D: Compost
Decomposed organic waste used to enrich the soil. Boosts moisture retention and enhances soil aeration.
Specimen E: Cutlass
A sharp-bladed hand tool for clearing, cutting, and managing crops. Common in manual farm operations.
Specimen F: Spade
A flat-bladed digging tool used for soil preparation, planting, and transplanting.
Specimen G: Wheelbarrow
A single-wheeled cart used to move soil, manure, tools, or crops across the farm.
Specimen H: Yam Beetle
A pest that attacks yam tubers underground, leaving holes and reducing market quality.
Specimen I: Cowpea Weevil
Common storage pest of cowpea (beans). Bores holes and damages stored seeds.
Specimen J: Centrosema pubescens
A leguminous cover crop that improves soil nitrogen levels and suppresses weed growth.
Specimen K: Spear Grass
A perennial weed with long, tough leaves. Competes with crops for nutrients and space.
Specimen L: Chicken Gizzard
A muscular digestive organ in birds used to grind food. Useful in poultry studies.
Specimen M: Fresh Goat Skin
The hairy, fresh outer layer of a goat, used in scientific and industrial studies.
Specimen N: Animal Horn
Keratin-based horn used for defense and display in livestock. It can also be repurposed into tools or ornaments.
See : WAEC Biology Practical Specimens 2025 (May/June): Updated & Verified List
How to Use WAEC Agric Practical Specimens to Excel in 2025
1. Get Familiar with Each Specimen
Understand the names, appearances, and uses of each specimen. Practice identifying them ahead of time.
2. Study with Real-Life Samples
Where possible, handle actual tools and samples on a farm or in your school lab to gain hands-on experience.
3. Follow Exam Instructions Strictly
During the exam, carefully read each question and identify which specimen is being referred to. Answer based on structure, function, and agricultural relevance.
4. Handle Tools and Specimens Carefully
Avoid damaging the specimens during the exam. Respect all tools and biological samples as part of proper scientific conduct.
Disclaimer: TJ News Nigeria does not charge students for answers. We provide educational support for WAEC, NECO, JAMB, and NABTEB free of charge.
Conclusion
The 2025 WAEC Agricultural Practical Specimens are now available and must be studied thoroughly for successful performance in the exam. Bookmark this page and check regularly for updates, sample answers, and tips to boost your scores.
Please share this post with friends and fellow students preparing for the Agric Science practical. Together, we can ensure no one is left behind in accessing vital exam preparation materials.
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