Waec 2025 Agric Science Specimen & Guidelines

Here is the Waec 2025 Agric Science Specimen & Guidelines

▪️ SPECIMEN A – Ammonium Sulphate (Labelled)

Description: A white crystalline inorganic fertilizer.
Importance/Uses :

i. Supplies nitrogen to plants, essential for leaf and stem growth.
ii. Improves soil fertility, especially in alkaline soils (it’s slightly acidic).
iii. Commonly used in vegetables, cereals, and pastures.

▪️ SPECIMEN B – Muriate of Potash (Labelled)

Description: Also known as potassium chloride (KCl), a reddish or white salt.
Importance/Uses :

i. Rich in potassium, essential for fruit development and disease resistance.
ii. Promotes root development and water regulation.
iii. Used in root crops like cassava and potatoes.

▪️ SPECIMEN C – Cow Dung

Description: Animal waste excreta, often used in raw or composted form.
Importance/Uses :

i. Acts as organic manure, improving soil structure and microbial activity.
ii. ncreases water retention and fertility in poor soils.
iii. Used in biogas production and organic farming.

▪️ SPECIMEN D – Compost (Labelled)

Description : Decomposed organic matter from plant and animal remains.
Importance/Uses :

i. Serves as natural fertilizer, returning nutrients to the soil.
ii. Enhances soil texture and moisture-holding capacity.
iii. Encourages sustainable farming by reducing chemical input.

▪️ SPECIMEN E – Cutlass

Description: A handheld cutting tool with a broad blade.
Importance/Uses:

i. Used for clearing bushes, weeding, and harvesting crops.
ii. Essential in manual farm operations, especially in small-scale farms.
iii. Aids in land preparation before planting.

▪️ SPECIMEN F – Spade

Description: A digging tool with a flat, broad blade and long handle.
Importance/Uses:

i. Used for digging, turning, and lifting soil.
ii. Helps in planting, transplanting, and soil amendment.
iii. A key tool in nursery and garden maintenance.

▪️ SPECIMEN G – Wheelbarrow

Description: A one-wheeled cart for transporting loads.
Importance/Uses:

i. Used for carrying soil, manure, tools, and harvested crops.
ii. Reduces manual labor and increases efficiency.
iii. Essential in construction and landscaping on farms.

▪️ SPECIMEN H – Yam Beetle

Description: A destructive insect pest that bores into yam tubers.
Importance/Uses:

i. Demonstrates pest damage symptoms on crops.
ii. Aids in teaching integrated pest management (IPM).
iii. Important for studying post-harvest loss in yams.

▪️ SPECIMEN I – Cowpea Weevil

Description: A beetle that infests cowpea seeds in storage.
Importance/Uses:

i. Used to study storage pests and infestation.
ii. Helps in learning preventive and control measures like airtight storage.
iii. Demonstrates effects of poor storage practices on legumes.

▪️ SPECIMEN J – Centrosema pubescens

Description: A creeping leguminous cover crop with purple flowers.
Importance/Uses:

i. Used for soil cover and erosion control.
ii. Improves soil nitrogen content through nitrogen fixation.
iii. Serves as forage for livestock.

▪️ SPECIMEN K – Spear Grass

Description: A common perennial weed with spear-like sharp tips.
Importance/Uses:

I. Used to teach weed identification.
ii. Helps in understanding weed control strategies.
iii. Demonstrates competition between crops and weeds.

▪️ SPECIMEN L – Gizzard (Chicken)

Description: A muscular part of a bird’s digestive system.
Importance/Uses:

i. Shows adaptations of poultry for grinding food.
ii. Helps in explaining mechanical digestion in birds.
iii. Important in comparative anatomy with mammals.

▪️ SPECIMEN M – Goat Skin (Fresh, With Hairs Intact)

Description: Skin from a goat, unprocessed, with hair.
Importance/Uses:

i. Used to explain structure and functions of animal skin.
ii. Demonstrates adaptations to the environment (e.g., hair for protection).
iii. Used to teach about hide and leather processing.

▪️ SPECIMEN N – Horn

Description: A hard, pointed projection from the head of animals like goats or cattle.
Importance/Uses:

i. Used to explain animal adaptations and defense mechanisms.
ii. Helps in discussing sexual dimorphism and maturity in livestock.
iii. Can be linked to breed identification and classification.