NECO GCE 2025 BIOLOGY QUESTIONS
how we dropped in the vip
NECO GCE 2025 BIOLOGY QUESTIONS BELOW
NECO GCE 2025 BIOLOGY THEORY AND OBJ QUESTIONS
CLICK HERE TO DOWNLOAD NECO GCE 2025 BIOLOGY THEORY VIA PDF
NECO GCE 2025 BIOLOGY OBJ
1-10: ACAABADBDB
11-20:EBBEEEACCA
21-30:BBEBBEBEDB
31-40:CEABBCACEB
41-50:BEABCAADBC
51-60:CACAEEAACA
Completed!.
*NECO GCE BIOLOGY THEORY*
*NUMBER 1*
1ai)
i)Pituitary gland
ii)thyroid gland
iii)adrenal gland
iv)pancreas
aii)Dehydration and osmotic stress
High salinity in a marine environment causes organisms to lose water from their bodies to the surrounding water through osmosis. This leads to dehydration and osmotic stress, which can impair cell function and, in extreme cases, be fatal.
aiii) PICK ANY TWO
Nitrogen (N)
Phosphorus (P)
Potassium (K)
Calcium (Ca)
Magnesium (Mg)
Sulfur (S)
bi) Draw the diagram
bii)
a)A selectively permeable membrane (e.g., cell membrane).
b)A water potential gradient between two regions (difference in water concentration).
c)Presence of water.
d)A living system (though osmosis can occur across non-living membranes too).
*NECO GCE BIOLOGY THEORY*
*NUMBER 2*
2aii)PICK ANY 3
i)High annual rainfall (typically over 200 cm).
ii)High average annual temperatures (around 20°C to 30°C).
iii)Extremely high biodiversity and a dense canopy layer.
iv)Emergent, canopy, understory, and forest floor layers.
v)Nutrient-poor soils.
2b)Step 1: Water absorption by roots
Water is absorbed from the soil into the root hair cells by osmosis, moving down a water potential gradient.
Step 2: Movement across root layers
Water moves across the cortex, endodermis, and pericycle of the root, primarily via the apoplast and symplast pathways, until it reaches the xylem vessels.
Step 3: Transport via xylem
Water and dissolved minerals are transported upwards through the xylem vessels, which form a continuous column from the roots to the leaves.
Step 4: Transpiration pull
The primary force driving this upward movement is the transpiration pull (or cohesion-tension theory), which results from the evaporation of water from the leaf surface (transpiration) creating a negative pressure (tension) that pulls the water column up.
2bii) PICK ANY TWO
Apple
Strawberry
Fig
Pineapple
2biii) PICK ANY 3
i)Building and repairing body tissues (growth and repair).
ii)Production of enzymes and hormones.
iii)Transport of molecules (e.g., hemoglobin transports oxygen).
iv)Maintaining fluid balance and providing energy when needed.
*NECO GCE BIOLOGY*
*NUMBER 3*
3ai)PICK ANY 5
i)Presence of feathers covering the body.
ii)Forelimbs modified into wings for flight (most species).
iii)Presence of a beak or bill without teeth.
iv)Hard-shelled eggs laid outside the body.
v)Endothermic metabolism.
vi)Lightweight skeletal system, often with hollow bones.
3aii)
i)Xylem
ii)phloem
iii)sclerenchyma iv)collenchyma
3aiii) PICK ANY TWO
i)Kidney stones
ii)Kidney failure
iii)Urinary tract infections (UTIs).
iv)Glomerulonephritis.
3bi) https://ibb.co/d0PK07J4
Cont’d
Fertilization in humans is the fusion of a male gamete (sperm) and a female gamete (egg) in the fallopian tube to form a diploid zygote.
3bii) CHOOSE ANY TWO
i)Destruction or loss of habitats for wildlife.
ii)Soil erosion and sedimentation
iii)Contamination of water sources with pollutants and pathogens.
iv)Increased nutrient runoff.
v)Disruption of plant growth and animal populations.
NUMBER 5
NECO GCE 2025 BIOLOGY PRACTICAL QUESTIONS
CLICK HERE TO DOWNLOAD NECO GCE 2025 biology practical
*2025-NECO-GCE-BIOLOGY-PRACTICAL-ANSWERS*
(1ai)
A: Tick
B: Termite/Wingless insect
C: Pistil (or Carpel) of a flower
D: Lizard
E: Rat
(1aii)
A – Arachnida
B – Insecta
C – Angiospermae
D – Reptilia
(1ciii)
I. Mouthpart
II. Antenna
III. Stigma
IV. Tail
V. Head
VI. Eye
VII. Hind limb
(1bi)
I – Used for biting, chewing or sucking food.
II – Used for sensing smell, touch and vibrations.
III – Receives pollen grains during pollination.
IV – Used for balance, movement and escape from predators.
V – Contains the brain and sensory organs for coordination.
(1bii)
A – Causes diseases and reduces productivity in livestock.
B – Improves soil fertility by breaking down organic matter.
E – Destroys stored grains and causes heavy post-harvest losses.
(1ci)
[TABULATE]
=D
(i) Has dry scaly skin
(ii) Lays eggs
=E
(i) Has fur-covered skin
(ii) Gives birth to live young
(1cii)
(i) Sharp incisors for gnawing food and hard materials.
(ii) Strong sense of smell and hearing for detecting food and danger.
===========================
(2ai)
F – Digestive system of a domestic fowl
G – Alimentary canal of a cockroach
(2aii)
I – Mouth / Beak
II – Small intestine
(2aiii)
(i) It stores food temporarily before digestion.
(ii) It softens food by mixing it with digestive juices or moisture.
(2aiv)
(i) Both have a tube-like digestive tract running from mouth to anus.
(ii) Both possess regions specialized for food storage or processing.
(2av)
[TABULATE]
=F
(i) Has a muscular gizzard for grinding food
(ii) Possesses large intestine and cloaca
=G
(i) Has a gastric caeca for secretion and digestion
(ii) Possesses hindgut with malpighian tubules attached for excretion
(2bi)
Soda lime absorbs carbon dioxide (CO₂) from the incoming air.
(2bii)
The lime water in B remains clear (no change).
(2biii)
The toad serves as the organism that respires and produces carbon dioxide.
(2biv)
B: The lime water in B remains clear.
D: The lime water in D turns milky.
(2bv)
Experiment to Show that Respiration Produces Carbon Dioxide.
(2ci)
X₁: Water level in the beaker rises while the level inside the yam decreases.
X₂: Water level inside the yam increases while the level in the beaker drops.
(2cii)
Salt creates a hypertonic (concentrated) solution that draws water out of the yam by osmosis.
(2ciii)
The yam acts as a semi-permeable membrane, allowing water to move in or out by osmosis.
(2civ)
Demonstration of Osmosis Using Yam and Salt Solution.
(2cv)
(i) It enables roots to absorb water from the soil.
(ii) It helps maintain turgor pressure in plant cells.
===========================
(3ai)
H – Citrus Fruit
I. Oil Palm Fruit
J. Tridax Fruit
K. Pea Plant
(3aii)
H – Hesperidium
I – Drupe
J – Achene
K – Legume
(3aiii)
H – Has a leathery rind with juicy segments filled with vesicles.
I – Has a hard stony endocarp enclosing the seed.
K – Has a pod that splits open on two sides at maturity.
(3aiv)
I. Exocarp
II. Endocarp
III. Endocarp
IV. Pappus
V. Calyx
(3bi)
I – Animals
J – Wind
(3bii)
=I
(i) Fleshy mesocarp attracts animals which feed on it.
(ii) Sticky or oily pulp can attach to animals, aiding dispersal.
=J
(i) Has a pappus (hair-like structure) that increases buoyancy in air.
(ii) Fruit is lightweight, enabling easy wind carriage.
(3biii)
H – Axile placentation
I – Parietal placentation
K – Marginal placentation
===========================
Completed!.
Completed!. Tell people about us www.expopin.com We Remain The Baddest Site Ever
We Remain Your Favourite Site.
Ensure You Subscribe For Your Next
Paper @ Www.Expopin.com
On How To Get Your Live Question And Answer before Exam From Www.Expopin.com We Remain The No1.