The National Examination Council NECO has set the NECO Biology Practical Questions And Answers 2025 paper for 27th June 2025. Candidates are now searching for:
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(1ai)
A: Housefly
B: Spider
C: Pride of Barbados Flower
D: Bean seed
E: Butterfly
(1aii)
A: Insecta
B: Arachnida
(1bi)
(PICK ANY TWO)
(i) Cholera
(ii) Typhoid
(iii) Dysentery
(iv) Salmonellosis
(v) Tuberculosis
(vi) Diarrhoea
(1bii)
(PICK ANY TWO)
(i) Sticky legs with hairy structures for picking up pathogens
(ii) Sponging mouthparts used for feeding on waste and faeces
(iii) Ability to fly long distances, spreading pathogens widely
(iv) Compound eyes for detecting food and breeding areas
(v) Small body size for easy access to contaminated places
(1biii)
A: Housefly
(PICK ANY TWO)
(i) Has 3 pairs of legs (6 legs in total)
(ii) Has one pair of compound eyes
(iii) Has two wings for flying
(iv) Antennae are present
(v) Body divided into headchemicals. and abdomen
(vi) Has sponging mouthparts
B: Spider
(PICK ANY TWO)
(i) Has 4 pairs of legs (8 legs in total)
(ii) Has multiple simple eyes
(iii) No wings, cannot fly
(iv) Antennae are absent
(v) Body divided into cephalothorax and abdomen
(vi) Has piercing or biting mouthparts (chelicerae)
(1ci)
Draw the diagram
(1cii)
Insecta
(1ciii)
(i) Two pairs of broad, colorful wings
(ii) Antennae
(iii) Compound eyes
(iv) Three pairs of legs
(1civ)
Pollination
(1cv)
(PICK ANY TWO)
(i) Long proboscis for sucking nectar from deep flower tubes
(ii) Colorful wings that attract flowers and aid in pollination
(iii) Compound eyes to easily locate flowers
(iv) Lightweight body for easy flight and flower-to-flower movement
(v) Legs with sensory receptors to detect nectar and floral chemicals
==================
QUESTION 2
(2ai)
F: Crayfish
G: Grasshopper
H: Humerus of a Rabbit
I: Femur of a Rabbit
J: Orange Fruit
(2aii)
F: Crustacea
G: Insecta
(2aiii)
(i) It serves as a source of protein-rich food for humans.
(ii) It can be exported to generate foreign exchange.
(iii) It is used in biological research and laboratory studies.
(iv) It serves as bait in fishing.
(v) It contributes to the aquatic food chain as both predator and prey.
(vi) It creates employment through crayfish farming and marketing.
(2aiv)
F: Crayfish
(PICK ANY TWO)
(i) Has two pairs of antennae
(ii) Has gills for respiration
(iii) Body is divided into cephalothorax and abdomen
(iv) Lives in aquatic environment
(v) Has pincers (chelate legs)
(vi) Exoskeleton is hard and calcified
G: Grasshopper
(PICK ANY TWO)
(i) Has one pair of antennae
(ii) Has spiracles and trachea for respiration
(iii) Body is divided into head, thorax and abdomen
(iv) Lives in terrestrial environment
(v) Has jumping hind legs
(vi) Exoskeleton is less calcified and more flexible
(2bi)
H: Located in the upper forelimb of the rabbit
I: Located in the upper hindlimb of the rabbit
(2bii)
(i) Scapula
(ii) Radius
(iii) Ulna
(2c)
Draw the diagram
=================
QUESTION 3
(3ai)
K: Honey Bee
L: Land Snail
M: Guava Fruit
N: Irish Potato tuber
O: Sweet Potato tuber
(3aii)
Draw the diagram below
(3bi)
K: Insecta
L: Gastropoda
(3bii)
(PICK ANY FOUR)
(i) It has a coiled shell on its back.
(ii) It has a moist, slimy body covered in mucus.
(iii) It possesses a muscular foot for locomotion.
(iv) It has tentacles on its head.
(v) Eyes are located at the tips of the longer tentacles.
(vi) It has a soft and unsegmented body.
(vii) The body shows bilateral symmetry.
(viii) The shell provides protection from predators and harsh environments.
(3biii)
K: Honey Bee
(PICK ANY ONE)
(i) Production of honey for human consumption
(ii) Pollination of crops, enhancing agricultural productivity
(iii) Production of beeswax used in candles, cosmetics, and polishes
(iv) Used in apiculture (beekeeping) for commercial purposes
(v) Source of royal jelly and propolis used in medicine and cosmetics
L: Land Snail
(PICK ANY ONE)
(i) Source of animal protein for human consumption
(ii) Used in biological and scientific research
(iii) Shells can be used as calcium supplements or in local crafts
(iv) Acts as a decomposer, aiding soil nutrient recycling
(v) Used in traditional medicine in some cultures
(3biv)
Axile placentation observed
(3ci)
N: Stem tuber
O: Root tuber
(3cii)
Vegetative propagation.
COMPLETED
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