WAEC Biology Practical 2025
Number 1
[VERSION I]
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[VERSION II]
(1a)
(i) Arthropoda
(ii) Insecta
(1b)
(PICK ANY THREE)
(i) It has three pairs of jointed legs.
(ii) The body is divided into head, thorax, and abdomen.
(iii) It possesses one pair of antennae.
(iv) It has compound eyes.
(v) It has two pairs of wings (in most cases), aiding in movement.
(1c)
Parasitism
(1d)
(PICK ANY TWO)
(i) Strong mandibles for boring into bean seeds.
(ii) Hard exoskeleton for protection.
(iii) Small, compact body to enter seeds easily.
(iv) Well-developed antennae for detecting host seeds.
(1e)
(PICK ANY TWO)
(i) Sun-drying to reduce moisture content.
(ii) Storing in airtight containers.
(iii) Applying insecticides or natural repellents.
(iv) Keeping in cool, dry storage facilities.
(1fi)
(PICK ANY TWO)
(i) Used as a source of food for humans.
(ii) Used as animal feed.
(iii) Source of income when sold in markets.
(iv) Used in crop rotation to improve soil fertility (as legumes fix nitrogen).
(1fii)
Protein
(1g)
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OR
[VERSION III]
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Number 2
(2ai) EDITED — PLEASE TAKE NOTE
[VERSION II]
(2ai)
E – False and Composite fruit
F – True and simple fruit
(2aii)
Axile Placentation
(2aiii)
(PICK ANY ONE)
The ovary is divided into several chambers (locules).
OR
The ovules are attached to a central axis within the ovary.
OR
The septa join at the center of the ovary to form a central column where the ovules are borne.
(2bi)
E: False fruit
F: True fruit
(2bii)
E:
(PICK ANY ONE)
It develops from an inflorescence.
OR
Other floral parts such as sepals, petals, and receptacles form the fruit.
F:
(PICK ANY ONE)
It develops solely from the ovary of a flower.
OR
It contains seeds that are formed from fertilized ovules within the ovary.
(2ci)
(PICK ANY THREE)
(i) Both are edible fruits.
(ii) Both contain juice.
(iii) Both have a tough outer covering (rind/skin).
(iv) Both are fleshy fruits.
(2cii)
(PICK ANY THREE)
E: Pineapple is a false fruit.
F: orange is a true fruit.
E: Pineapple is cylindrical in shape.
F: orange is typically spherical.
E: Pineapple has a rough, scaly outer surface.
F: orange has a smooth, leathery skin.
E: Pineapple is a multiple fruit
F: orange is a simple fruit.
(2di)
Animal dispersal.
(2dii)
(PICK ANY ONE)
The fruit is fleshy and juicy, which attracts animals and humans.
OR
The seeds are enclosed and protected within the edible part of the fruit.
OR
Animals eat the fruit and discard the seeds.
OR
The seeds pass through the digestive tract of animals and are excreted elsewhere.
(2e)
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Number 3
Hi 👋
Cool
Awesome