NECO GCE 2024 BIOLOGY PRACTICAL ANSWER


(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

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(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

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(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