The West African Examination Council (WAEC) Has Scheduled The WAEC GCE Biology 2025 Questions And Answers Paper To Take Place on 30th January, 2025. This important exam will assess candidates understanding of Biology concepts and techniques.
As the exam date approaches, many candidates are actively searching for information such as:
- WAEC GCE Biology 2025 Questions And Answers
- WAEC GCE Biology Expo 2025
- WAEC GCE Biology Practical 2025
- WAEC GCE Biology Questions 2025
- WAEC GCE Biology Answer 2025
If you are one of those candidates, this post will guide you on how to prepare effectively, get reliable resources, and succeed in the WAEC GCE Biology Essay And Objective + Practical 2025 Exam.
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Get WAEC GCE Biology 2025 Questions And Answers
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WAEC GCE Biology 2025 Paper is Categorized in to 3 parts:
- WAEC GCE Biology Essay 2025
- WAEC GCE Biology Objective 2025
- WAEC GCE Biology Practical 2025
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WAEC GCE Biology Expo 2025
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Area of concentration for biology waec GCE 2024
- Concept of Living
- Forms in which living cells exist
- Cell structure and functions of cell components
- The Cell and its environment:
- Physical and Biophysical processes
- Properties and functions of the living cell
- Tissues and supporting systems
- Hormonal Coordination
- Nervous Coordination
- Sense Organs: Eye and Ear
- Reproductive systems in mammals, insects, and flowering plants
- Classification
- Organization of life
- Transport System
- Respiratory System
- Excretory Systems and Mechanisms
- Regulation of Internal Environment (Homeostasis)
- Basic Ecological Conceptsic Ecological concepts
- Simple Measurement of Ecological Factors
- Food webs and trophic levels
- Ecological Management.
- Adaptation For Survival And Evolution
- Behavioral adaptations in social animals
- Evolution: evidence and theories
- Biology Of Heredity (Genetics)
- Genetic terminologies
- Transmission and expression of characteristics
- Chromosomes and heredity
- Probability in genetics
- Linkage, sex determination, and sex-linked characters
- Application of genetics in agriculture and medicine
- Plant And Animal Nutrition
- Plant Nutrition
- Animal Nutrition
- Adaptation For Survival And Evolution
- Behavioral adaptations in social animals
- Evolution: evidence and theories
- Conservation Of Natural Resources
- Soil, water, wildlife, forest, and minerals conservation
- Variation In Population
- Morphological variations
- Physiological variations.
WAEC Biology 2024 Past Questions And Answers
(1ai)
Glomerulus:
(PICK ANY ONE)
(i) It filters blood to form glomerular filtrate.
(ii) It removes waste products and excess substances from the bloodstream.
(iii) It initiates the urine formation process by allowing water and small molecules to pass through while retaining larger molecules like proteins.
(1aii)
Bowman’s capsule:
(PICK ANY ONE)
(i) It collects the filtrate produced by the glomerulus.
(ii) It forms primary urine by capturing the filtrate and directing it into the nephron.
(iii) It serves as a funnel, guiding the filtrate into the proximal convoluted tubule for further processing.
(1aiii)
Proximal convoluted tubule:
(PICK ANY ONE)
(i) It reabsorbs water, ions, and nutrients from the filtrate back into the bloodstream.
(ii) It plays a crucial role in secreting waste products such as hydrogen ions and ammonia into the tubular fluid.
(iii) It maintains pH balance by selectively reabsorbing bicarbonate ions and secreting hydrogen ions.
(1aiv)
Distal convoluted tubule:
(PICK ANY ONE)
(i) It reabsorbs sodium and water, thus playing a key role in regulating blood pressure and fluid balance.
(ii) It secretes potassium and hydrogen ions, which helps in maintaining electrolyte and acid-base balance.
(iii) It also regulates calcium and phosphate levels in the blood, contributing to bone health and metabolic functions.
(1b)
|ORGANISM | Structure.. |..Form in which|
|Paramecium|Contractile vacuole|Liquid (water)
|Flatworm |Flame cells| Ammonia|
|Earthworm|Nephridia | Urea|
|Cockroach|Malpighian tubules|Uric acid|
|Human | Kidneys| Liquid(urine)|
|Plant | Stomatal pore| Gaseous (water vapor, oxygen, carbon dioxide
(1c)
(PICK ANY FIVE)
(i) Oxygen
(ii) Carbon dioxide
(iii) Water vapor
(iv) Resins
(v) gums
(vi) Latex
(vii) Tannins
(viii) Essential oils
(2ai)
-Mouth-
(PICK ANY ONE)
(i) Chewing and breaking down the food
(ii) Producing saliva to moisten and lubricate the food
(iii) Initiating the digestive process through enzymatic action
(2aii)
-Skin-
(PICK ANY ONE)
(i) Regulating body temperature through sweating
(ii) Excreting waste products like urea and lactic acid
(iii) Absorbing certain substances through the skin
(2aiii)
-Tongue-
(PICK ANY ONE)
(i) Helping with chewing and mixing the food with saliva
(ii) Providing taste sensation and identifying the taste of the food
(iii) Assisting in the swallowing process
(2aiv)
-Kidney-
(PICK ANY ONE)
(i) Filtering the blood and removing waste products
(ii) Regulating the balance of water, salts, and minerals in the body
(iii) Producing urine for excretion
(2av)
-Stomach-
(PICK ANY ONE)
(i) Storing and breaking down the food through mechanical and chemical processes
(ii) Producing gastric acid and enzymes to aid in digestion
(iii) Mixing the food with digestive juices
(2avi)
-Small Intestine-
(PICK ANY ONE)
(i) Absorbing the majority of nutrients from the digested food
(ii) Producing enzymes to further break down the food
(iii) Transporting the digested nutrients to the bloodstream
(2avii)
-Large Intestine-
(PICK ANY ONE)
(i) Absorbing water from the remaining undigested food
(ii) Storing and compacting the waste material
(iii) Eliminating the waste products from the body
(2aviii)
-Liver-
(PICK ANY ONE)
(i) Producing bile to aid in the digestion and absorption of fats
(ii) Metabolizing and detoxifying substances in the body
(iii) Regulating blood sugar levels and storing excess energy
(2b)
(PICK ANY THREE)
(i) Mouth (saliva)
(ii) Stomach (gastric enzymes)
(iii) Small Intestine (pancreatic and intestinal enzymes)
(iv) Liver (bile)
(2c)
(PICK ANY THREE)
(i) Amylase (breaks down carbohydrates)
(ii) Lipase (breaks down fats)
(iii) Protease (breaks down proteins)
(iv) Cellulase (breaks down cellulose in cassava)
(2d)
(PICK ANY TWO)
(i) Glucose
(ii) Fatty acids and glycerol
(iii) Amino acids
(iv) Minerals and vitamins
(2ei)
(PICK ANY ONE)
(i) Increased blood pressure
(ii) Retention of water in the body, leading to edema
(2eii)
(PICK ANY THREE)
(i) Provides a good source of carbohydrates from the cassava
(ii) Provides protein from the groundnut soup
(iii) Supplies essential minerals and vitamins
(iv) Helps to maintain body temperature through sweating
(v) Satisfies hunger and provides energy
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