WAEC Biology Answers 2023: Are you a 2023 Waec candidate searching for 100% verified questions and answers for both objective and essay that will guarantee you A or B in the WAEC Biology 2023 examination? look no further, we have all it takes to make you score A in this Waec examination.
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Waec Biology Answers 2023
Wednesday, 7th June, 2023
- Biology 2 (Essay) – 09:30am – 11:10am
- Biology 1 (Objective) – 11:10am – 12:00pm
Attention all WAEC candidates! Are you prepared for your upcoming Biology exam on June 7th, 2023? Don’t leave anything to chance – make sure you have the advantage you need to ace this test with our WAEC Biology Answers and Questions for 2023!
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Past Biology Answers 2023/2024
1a)
A; microscope
B; a ripe mango fruit
C; Transverse section of tomato fruit
D; Groundnut seed
E; maize grains
(1aii)
(i) objective lens
(ii) nose pierce
(iii) aperture
(1aiii)
It is use to magnify object that is to be viewed
(1bi)
(1bii)
Animals
(1biii)
(i)its flesh are eaten by animals
(ii)the seeds are passed out as waste by some animal
(1biv)
Tabulate;
Under B
(i)it is yellowish in colour
(ii)beans like shaped
Under C
(i)it is reddish in colour
(ii)not beans like shaped
(1ci)
Tabulate
Under Observation;
(i)light passes through it but the other side can not be seen
Under Conclusion;
(i)it contains oil which makes the paper a translucent material
(1cii)
Fats and oil
(1ciii)
It serves as food.
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(2ai)
F; carrots
G; Irish potato
H; water Lily
I; prawn
(2aii)
It improve sight
(2aiii)
This is because it has a modified stem
(2aiv)
Tabulate
Under Observation;
(i)it gives a blue black colour
Under Conclusion;
(i)starch is present
(2bi)
(i)presence of big leaves
(ii)presence of cuticle
(iii)presence of horns
(iv)presence of rims
(2bii)
Crustacean
(2biii)
(i)presence of tail fin
(ii)presence of scales
(2biv)
Tabulate;
Under External features
(i)Tail fin
(ii) Antenna
(iii)legs/limbs
Under Function;
(i) Locomotion
(ii) sensitivity
(iii) locomotion
(2bv)
(i)it serves as food
(ii)it create employment opportunity
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(3a)
J; Tilapia Fish.
K; Tadpoles
L; spider
(3b)
(3ci)
(i)Head
(ii)Cephalothorax
(3cii)
Arachnida
(3ciii)
(i)presence of wings
(ii)presence of book lung
BIOLOGY Objectives.
1-10: DCADABCADB
11-20: ABDBABDAAA
21-30: ACBABBCBCB
31-40: ABDDDBDACA
41-50: ACCADCDBBA
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WAEC BIOLOGY OBJ;
Answers Loading…
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WAEC BIOLOGY ESSAY;
(1ai)
A cell is the smallest unit that can live on its own and that makes up all living organisms and the tissues of the body. A cell has three main parts: the cell membrane, the nucleus, and the cytoplasm. The cell membrane surrounds the cell and controls the substances that go into and out of the cell.
(1aii)
(i) Robert Hooke
(ii) Felix Dujardin
(iii) Mathias Schleiden
(1bi)
Draw
(1bii)
Red blood cell
(1biii)
It does not replicate itself but rather die off
(1c)
(i) Nucleus
(ii) Cell membrane
(iii) Cytoplasm
(iv) Chloroplast
(v) Mitochondrion
(vi) Golgi body
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(2c)
Milk teeth: is a temporary tooth of a young mammal especially one of the human dentition including four incisors, two canines, and four molars in each jaw which fall out during childhood and are replaced by the permanent teeth.
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3ai) Ecological niche is a term for the position of a species within an ecosystem, describing both the range of conditions necessary for persistence of the species, and its ecological role in the ecosystem.
3aii) provide fruit,
firewood,
poles,
organic matter for soil amendment,
living fence post,
shade,
soil conservation
cattle feed
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(4ai)
It states that the amount of the conserved quantity at a point or within a volume can only change by the amount of the quantity which flows in or out of the volume.
(4aii)
– Conservation of mass and energy
– Conservation of linear momentum, conservation of angular momentum
– Conservation of electric charge
(4bi)
– Lax and broken regulation systems
– Highly-priced and valued animal parts, products, and pets
(4bii)
– Elephants
– Rhinos
– Tigers
– Gorillas
– Sea turtles
(4c)
– Loss of biodiversity, migration of wildlife
– Exological imbalance
– Soil erosion
– Disruption in hydrological cycle of water catchment area
(4di)
A blood transfusion is a routine medical procedure in which donated blood is provided to you through a narrow tube placed within a vein in your arm. This potentially life-saving procedure can help replace blood lost due.
(4dii)
An antigen is any substance to which the immune system can respond. For example, components of the bacterial cell wall can trigger severe and immediate attacks by neutrophils.
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5a)
a) Euphotic Zone. (Sunlight Zone).
b) Dysphotic Zone (Twilight Zone).
c) Aphotic Zone.
(5bi)
Population is defined as a group of individuals of the same species living and interbreeding within a given area.
(5b)
i) Pooter
ii) Sweep net
(5c)
i) Freezing.
ii) Canning.
iii) Smoking.
iv) Frying.
(5di)
Tropism is a growth toward or away from a stimulus. Common stimuli that influence plant growth include light, gravity, water, and touch. Common tropic responses in plants include phototropism, gravitropism, thigmotropism, hydrotropism, thermotropism, and chemotropism.
5dii)
i) Nastic response
ii) Tactic response
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Conclusion
Waec Biology Answers 2023 for 7th June 2023 (Objective and Essay)
f you want to succeed in your Biology exam, you need to prepare thoroughly and have access to accurate and reliable answers and questions. Our WAEC Biology Answers and Questions for 2023 offer just that. With our expertly crafted material and our unbeatable price of just N600, you can give yourself the best possible chance of success in your upcoming exam.
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