2024 NECO GCE BIOLOGY: Biology (Bio) Practical NECO GCE Authentic Answer 2025 (4851)

(1ai) 

A - Secchi disc

B - Hygrometer 

C - Slope gauge

D - Quadrat

E - Sweep net

(1aii)

I - Knotted string

II - Weight holding down plate 

III - Metre rule

IV - Protractor

V - Frame

(1aiii)

A - To measure transparency or turbidity of water 

B - Instrument used to measure humidity 

C - It is used to measure slope

D - It is used to measure the distribution of small plants or slow moving invertebrates

E - It is used to scoop up specimen from water bodies.

(1bi)

-Adapted for-

F - piercing and sucking 

G - sponging 

H - sucking 

-Example of food-

F - Blood

G - Faeces

H - Nectar

-Example of organism

F - Mosquito

G - Housefly 

H - Butterfly

(1bii)

[IN TABULAR FORM]

-G-

(PICK ONLY TWO)

(i) Straight proboscis

(ii) Small, compact body with bristly hairs

(iii) Two functional wings

-H-

(PICK ONLY TWO)

(i) Coiled Proboscis 

(ii) Larger, slender body

(iii) Four colorful, scale-covered wings.

(1ci)

I - Paramecium

J - Chlamydomonas

(1cii)

II - Cytoplasm 

III - flagellum

(1ciii)

Ponds

(2ai)

K - Scapula of a mammal 

L - Lumber vertebra

M - Pelvic girdle of a mammal

N - Thoracic vertebra

O - Cervical vertebra of a mammal

P - Femur of a mammal

(2aii)

K - Shoulder

M - Between the abdomen and the lower limbs

N - In the chest

(2aiii)

I - Provides large surface area for the attachment of muscles 

II  - It helps protect the spinal cord

III - It contributes to the overall stability of the spine

IV - Fits into the acetabulum of the pelvic girdle to form a hip joint

(2bi)

Q - Earthworm

R - Tick

S - Tse-tse fly

(2bii)

Q - Oligochaeta

R - Arachnida

S - Insecta

(2biii)

[IN TABULAR FORM]

-R-

(i) Wings absent

(ii) Four pairs of walking legs

(iii) Two body division present

-S-

(i) A pair of wings present

(ii) Three pairs of walking legs

(iii) Three body division present

(3ai)

T - Longitudinal section of maize seed

U - Rhizome of ginger

V - longitudinal section of a mango fruit 

(3aii)

T - Annual

U - Perennial

V - Perennial

(3aiii)

I - Cotyledon

II - Plumule

III - Adventitious roots

V - Seed

VI - Crop

(3bi)

[IN A TABULAR FORM]

-T-

(i) Cotyledon present

(ii) Fruit stalk absent

-V -

(i) Cotyledon absent

(ii) Fruit stalk present

(3bii)

T - Vegetative propagation by seeds

U - Vegetative propagation by rhizome

(3ci)

W - Alimentary canal of domestic bird

X - Roundworm (ascaris)

(3cii) 

Parasitism

(3ciii)

[PICK TWO ONLY]

(i) Loss of weight 

(ii)  Vomiting

(iii) Loss of appetite

(3iv)

III - Provide support for the plant

VI - Stored food temporary where it is softened

VII - Digestion and absorption of food/nutrients