NECO Practical Specimens Bio, Chem, Phy & Agric 2026/2027: June/July SSCE Internal practical specimens for biology, chemistry, physics, Agricultural Science, data processing, fisheries, technical drawing, visual arts, and computer studies.

This is to inform all students preparing for the 2026/2027 NECO SSCE internal examination that the official practical specimens for these subjects have been released.

NECO Biology Practical Specimens 2026/2027

The NECO Biology Practical Specimen list is divided into three categories:

• Morphological Specimens (Animal and Plant)
• Microscopy and Cell Biology Specimens
• Physiological or Experimental Specimens

Group A: Animal and Plant Morphology

Specimen A: Fresh Leaf (Hibiscus or Mango)

Observation: Broad, green, flat lamina with a visible petiole.
Practical Uses:
Observe venation pattern (pinnate or palmate).
Identify leaf margin and arrangement (alternate or opposite).
Key Concepts:
Leaf classification
Photosynthetic adaptation
Stomatal distribution

Specimen B: Flower (Hibiscus or Pride of Barbados)

Observation: Distinct petals, sepals, stamens, and pistil.
Practical Uses:
Study floral structure and reproductive parts.
Determine if the flower is bisexual or unisexual.
Key Concepts:
Pollination (self or cross)
Floral symmetry
Sexual reproduction in plants

Specimen C: Tap Root (Carrot or Radish)

Observation: Thick, tapered, fleshy main root.
Practical Uses:
Distinguish between tap root and fibrous root systems.
Identify storage modification.
Key Concepts:
Root morphology
Storage adaptation
Plant nutrition

Specimen D: Insect (Grasshopper or Butterfly)

Observation: Segmented body, jointed legs, antennae.
Practical Uses:
Identify body regions: head, thorax, abdomen.
Observe wings, compound eyes, and legs.
Key Concepts:
Arthropod characteristics
Insect classification
Structural adaptation

Group B: Microscopy and Cell Structure

Specimen E: Prepared Slide (Onion Epidermis or Cheek Cells)

Observation: Visible cell wall, nucleus, and cytoplasm under a microscope.
Practical Uses:
Compare plant and animal cells.
Practice staining (iodine or methylene blue).
Key Concepts:
Cell structure
Differences between plant and animal cells
Biological drawing

Specimen F: Light Microscope

Observation: Eyepiece, objective lenses, stage, mirror/light source.
Practical Uses:
Learn proper focusing techniques.
Calculate magnification.
Key Concepts:
Microscope parts and functions

Magnification Formula:
$\text{Magnification}=\text{Eyepiece Lens}\times \text{Objective Lens}$Magnification=Eyepiece Lens×Objective Lens

Group C: Physiological / Biochemical Specimens

Specimen G: Starch Solution

Observation: Turns blue-black with iodine.
Uses:
Test for starch in leaves.
Demonstrate photosynthesis.
Key Concept: Food test for starch

Specimen H: Glucose Solution

Observation: Brick-red precipitate with Benedict’s solution (after heating).
Uses:
Test for reducing sugars.
Key Concept: Carbohydrate identification

Specimen I: Protein Sample (Egg White)

Observation: Purple/violet color with Biuret test.
Uses:
Confirm presence of protein.
Key Concept: Protein detection

Specimen J: Oil Sample (Groundnut Oil)

Observation: Greasy translucent spot or positive Sudan III test.
Uses:
Identify lipids.
Key Concept: Fat/oil detection

Group D: Ecological and Evolutionary Specimens

Specimen K: Vertebra (Goat or Fish)

Observation: Centrum, neural spine, transverse processes.
Practical Uses:
Study support and movement in vertebrates.
Key Concepts:
Skeletal system
Vertebrate classification

Specimen L: Bird Beak or Foot

Observation: Specialized shapes such as sharp beaks or webbed feet.
Practical Uses:
Identify adaptation to feeding or habitat.
Key Concepts:
Natural selection
Environmental adaptation

Preparation Tips for Students

Know Your Specimens
Study real or illustrated specimens and practice identifying key features quickly.

Biological Drawings
Use a sharp pencil
Avoid shading
Label clearly with straight lines
Add a proper title

Practice Food Tests
Iodine → Starch (blue-black)
Benedict’s → Glucose (brick-red)
Biuret → Protein (purple)

Understand Microscope Use
Start focusing with low power
Adjust fine focus under high power
Calculate magnification correctly

Use Past Questions
Familiarize yourself with exam patterns and practice under timed conditions

Likely Exam Questions

Question 1 (Leaf and Flower)
Draw and label 5 parts of the flower
State functions of each part
Identify pollination type with reasons

Question 2 (Insect)
List 3 arthropod features
Draw and label the head region

Question 3 (Microscope and Cells)
Draw and label a microscope
Explain focusing under high power

Specimen	Name	Key Area	Likely Topic
A	Leaf	Morphology	Photosynthesis, classification
B	Flower	Reproduction	Pollination, sexual reproduction
C	Tap Root	Root System	Plant nutrition
D	Insect	Animal Morphology	Classification, adaptation
E	Cell Slide	Microscopy	Cell structure
F	Microscope	Instrument	Magnification
G	Starch	Food Test	Photosynthesis
H	Glucose	Food Test	Nutrition
I	Protein	Food Test	Nutrients
J	Oil	Food Test	Lipids
K	Vertebra	Support	Skeletal system
L	Bird Adaptation	Ecology	Evolution

NECO Agricultural Science Practical Specimen 2026/2027

• Agricultural Tools and Equipment
• Organic and Inorganic Fertilizers
• Crop Specimens
• Animal Husbandry Materials

NECO Agricultural Science Practical Specimens (2025/2026): Complete Guide

Group A: Agricultural Tools and Equipment

Specimen A: Hand Fork

Specimen B: Garden Fork

Specimen C: Hand Trowel

Specimen D: Knapsack Sprayer

Description and Importance:
Hand Fork and Garden Fork are used for soil cultivation. The hand fork is suitable for loosening soil around small plants, while the garden fork is used for breaking larger soil clumps and aerating the soil.

Hand Trowel is used for digging small holes, transplanting seedlings, and mixing soil or fertilizers.

Knapsack Sprayer is a mechanical device used to apply liquid pesticides, herbicides, and foliar fertilizers. It consists of a tank carried on the back, a pump, and a nozzle.

Likely Exam Tasks:
Identify and describe each tool
State one or two uses of each tool
Compare tools based on size, function, and usage area
Describe maintenance practices for tools

Group B: Organic and Inorganic Fertilizers

Specimen E: Poultry Droppings

Specimen F: Cow Dung

Specimen G: NPK Fertilizer

Specimen H: Lime (Calcium Carbonate)

Description and Importance:
Poultry Droppings and Cow Dung are organic fertilizers rich in nutrients, especially nitrogen. They improve soil fertility and structure naturally.

NPK Fertilizer is an inorganic fertilizer containing Nitrogen, Phosphorus, and Potassium, used for rapid nutrient supply to crops.

Lime (Calcium Carbonate) is used to neutralize acidic soil and improve soil condition while supplying calcium.

Likely Exam Tasks:
Identify each fertilizer type and composition
Differentiate between organic and inorganic fertilizers
Explain environmental effects of fertilizer use
Describe the application of lime in acidic soils

Group C: Crop Specimens

Specimen I: Onion Bulb

Specimen J: Cassava Tuber

Specimen K: Maize Cob

Specimen L: Groundnut Pod

Description and Importance:
Onion Bulb is a vegetable crop propagated by bulbs and widely used in cooking and medicine.

Cassava Tuber is a major root crop rich in carbohydrates and used for food and industrial purposes.

Maize Cob represents a cereal crop important for human food and animal feed.

Groundnut Pod is a leguminous crop that improves soil fertility through nitrogen fixation and provides oil and protein.

Likely Exam Tasks:
Classify each crop by type and propagation method
State economic importance
Describe storage and preservation methods
Identify pests and diseases with control measures

Group D: Animal Husbandry Materials

Specimen M: Fresh Egg

Specimen N: Milk Sample

Specimen O: Honey Sample

Specimen P: Bone Meal

Description and Importance:
A fresh egg is a rich source of protein and important in reproduction and nutrition. Students should understand egg testing methods such as candling.

A milk sample represents dairy production. Knowledge of pasteurization and hygiene is essential.

Honey samples show the importance of beekeeping and its nutritional and medicinal value.

Bone meal is an animal by-product used as a livestock feed supplement due to its high calcium and phosphorus content.

WAEC Chemistry Practical Specimen 2026

Qualitative Analysis (Salt Analysis)

Sample A (Solid Salt)

Possible salts include Copper(II) sulphate, Iron(II) sulphate, Zinc chloride, or Ammonium salts

Reagents Provided

Dilute hydrochloric acid (HCl)
Dilute nitric acid (HNO₃)
Sodium hydroxide (NaOH) solution
Aqueous ammonia (NH₃)
Barium chloride (BaCl₂)
Silver nitrate (AgNO₃)
Distilled water

Volumetric Analysis

Solutions Provided

Solution B: Standard acid (HCl or H₂SO₄)
Solution C: Standard base (Na₂CO₃ or NaOH)

Indicators

Methyl orange or Phenolphthalein

Organic Chemistry / Functional Tests

Ethanol
Ethanoic acid
Starch solution
Glucose solution

General Laboratory Apparatus

Burette, pipette, conical flask
Test tubes, beakers
Bunsen burner
Retort stand
Filter funnel

SECTION A – VOLUMETRIC ANALYSIS (20 MARKS)

You are provided with Solution B (acid) and Solution C (base)

(a) Pipette 25.0 cm³ of solution C into a conical flask and add 2–3 drops of indicator. Titrate with solution B and record readings

(b) Tabulate readings

Titration | Initial (cm³) | Final (cm³) | Titre (cm³)

(c) Calculate the average titre

(d) Use the relationship

$C_a{V}_a=C_b{V}_b$Ca​Va​=Cb​Vb​

to calculate the concentration of solution B

Expected Answers
Rough titre around 24.0–26.0 cm³
Average titre approximately 25.0 cm³
Correct substitution and final answer

SECTION B – QUALITATIVE ANALYSIS (20 MARKS)

Tests on Sample A

(a) Add water
Observation: Solid dissolves or partially dissolves

(b) Add NaOH (dropwise, then excess)
Observation:
Blue precipitate indicates Cu²⁺
Green precipitate indicates Fe²⁺
White precipitate indicates Zn²⁺

Inference: Presence of corresponding metal ion

(c) Add aqueous ammonia
Observation:
Deep blue solution confirms Cu²⁺
White precipitate soluble in excess confirms Zn²⁺

(d) Add BaCl₂ after acidifying
Observation: White precipitate
Inference: Sulphate (SO₄²⁻) present

(e) Add AgNO₃
Observation:
White precipitate indicates chloride
Cream precipitate indicates bromide

Conclusion: Example Copper(II) sulphate

SECTION C – ORGANIC / GENERAL CHEMISTRY (10 MARKS)

Food Tests

Test for starch
Add iodine
Observation: Blue-black
Inference: Starch present

Test for glucose
Add Benedict’s solution and heat
Observation: Brick-red precipitate
Inference: Reducing sugar present

Test for ethanol
Add sodium metal
Observation: Effervescence
Inference: Alcohol present

Laboratory Techniques

Precautions during titration
Read burette at eye level
Avoid air bubbles

Sources of error
Parallax error
Incomplete reaction

ADVANCED PRACTICAL SET (LIKELY EXAM FORMAT)

Sample A (Mixed Salt)

Possible combination: ZnSO₄ and NH₄Cl or Fe²⁺ salt with impurities

Solutions

Solution B: 0.050 M HCl
Solution C: Na₂CO₃ (unknown concentration)
Solution D: Organic compound (ethanol or ethanoic acid)

Additional Reagents

NaOH, NH₃, BaCl₂, AgNO₃, dilute acids, heat source

SECTION A – ADVANCED VOLUMETRIC ANALYSIS

Balanced equation
Na₂CO₃ + 2HCl → 2NaCl + H₂O + CO₂

Use the formula

$\frac{C_a{V}_a}{n_a}=\frac{C_b{V}_b}{n_b}$na​Ca​Va​​=nb​Cb​Vb​​

to calculate concentration

Important Points
Titres must agree within ±0.10 cm³
Use correct mole ratio (1:2)
Maintain correct significant figures

Expected Values
Concordant titres: 24.80, 24.90, 24.85
Average approximately 24.85 cm³

SECTION B – ADVANCED QUALITATIVE ANALYSIS

(a) Add water
Observation: Partially soluble
Inference: Mixture present

(b) Add NaOH
Observation: White precipitate dissolves in excess
Inference: Zn²⁺ present

(c) Warm with NaOH
Observation: Pungent gas turning red litmus blue
Inference: NH₄⁺ present

(d) Add BaCl₂ after acidifying
Observation: White precipitate insoluble in acid
Inference: SO₄²⁻ present

(e) Add AgNO₃
Observation: White precipitate soluble in NH₃
Inference: Cl⁻ present

Final Conclusion
Sample contains Zn²⁺, NH₄⁺, SO₄²⁻, Cl⁻ and is a mixture of salts

Common Mistakes
Missing confirmatory tests
Not identifying ammonia gas correctly
Confusing Zn²⁺ with Al³⁺

SECTION C – ORGANIC CHEMISTRY

Identify Sample D

Add Na₂CO₃
Observation: Effervescence (CO₂ gas)
Inference: Ethanoic acid present

Add blue litmus
Observation: Turns red

Warm with acidified K₂Cr₂O₇
Observation: Orange to green
Inference: Ethanol present

Conclusion
Sample may be ethanoic acid or a mixture with ethanol

EXPERIMENTAL SKILLS

Why pipette should not be blown out
It is calibrated to deliver exact volume
Blowing introduces error

Why methyl orange is preferred
Suitable for strong acid–weak base titration

• Sources of error
• Parallax error
• Air bubbles in burette

WAEC Physics Specimen 2026/2027

Time: 1 hour 30 minutes
Total Marks: 50

Likely Specimen List (High Probability – Nigeria)

Section A – Mechanics Setup

Retort stand with clamp
Spiral spring or rubber band
Set of slotted masses (50 g, 100 g, etc.)
Meter rule
Pointer

Section B – Optics

Optical pins
Rectangular glass block
Drawing board
Protractor
Plane mirror

Section C – Electricity

Dry cell or power supply
Resistor
Rheostat
Ammeter
Voltmeter
Switch
Connecting wires

Section D – General Apparatus

Stopwatch
Vernier calipers (occasionally)
Micrometer screw gauge

Section A – Mechanics (Hooke’s Law) – 20 Marks

You are provided with a spring, masses, and a meter rule

(a) Suspend the spring and measure the original length $L_0$L0​

(b) Add masses in steps and record new lengths

Mass (g) | Length (cm) | Extension (cm)

(c) Plot a graph of Force (N) against Extension (m)

(d) Determine the slope of the graph

(e) Deduce the spring constant $k$k

Key Relationship:
$F=mg$F=mg

Traps to Avoid
Using mass instead of force
Poor graph scale selection
Failure to subtract original length

Expected Result
Straight line passing through the origin
Slope equals the spring constant

Section B – Optics (Refraction) – 15 Marks

Using a glass block and optical pins

(a) Trace the glass block and draw the normal

(b) Measure the angle of incidence $i$i

(c) Measure the angle of refraction $r$r

(d) Calculate refractive index

$n=\frac{\sin i}{\sin r}$n=sinrsini​

(e) Repeat for at least three values and calculate the average

Traps to Avoid
Incorrect normal line
Measuring wrong angles
Not using sine values

Expected Result
Refractive index approximately 1.5 for glass

Section C – Electricity (Ohm’s Law) – 15 Marks

Set up the circuit as instructed

(a) Record voltage and current readings

Voltage (V) | Current (A)

(b) Plot a graph of Voltage (V) against Current (I)

(c) Determine resistance from the slope

(d) State whether the conductor obeys Ohm’s law

Traps to Avoid
Swapping graph axes
Incorrect units
Misinterpreting a non-linear graph

Expected Result
Straight line through the origin
Slope equals resistance

Section D – General Practical Skills – 10 Marks

Measurement Precision

(a) State two precautions when reading a meter rule
Read at eye level
Avoid parallax error

(b) State two sources of error in an electrical experiment
Heating of resistor
Poor contact

(c) Why is repeated measurement necessary?
To improve accuracy and reliability by reducing random errors

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