WAEC/NECO 2025

WAEC/NECO 2025

2/26/2025, 5:33:31 PM

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WAEC/NECO 2025

2/26/2025, 5:33:21 PM

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WAEC/NECO 2025

2/25/2025, 6:41:38 PM

*BIOLOGY JAMB PAST QUESTIONS AND ANSWERS 📚📝💯🧠* 1) Which of the following is an example of a microorganism in action as a disease vector? A. Fungi decomposing dead plant material B. Mosquito transmitting malaria C. Bacteria causing food poisoning D. Algae producing oxygen through photosynthesis 2) Which of the following is a characteristic of cells related to irritability? A. Ability to respond to stimuli B. Ability to synthesize proteins C. Ability to generate energy D. Ability to replicate DNA 3) The membrane around the vacuole is known as A. Elaioplast B. Amyloplast C. Tonoplast D. Cytoplast 4) Which of the following is evidence of evolution? A. All of the above. B. Similarities in embryonic development C. Fossils of extinct organisms D. Homologous structures in different species 5) Which of the following is an example of an adaptation for survival in social insects? A. Migration to warmer climates B. Production of venom for defense C. Formation of complex caste systems D. Hibernation during winter months 6) Which of the following is NOT a part of the alimentary canal? A. Oesophagus B. Large intestine C. Liver D. Small intestine 7) Which of the following is an evolutionary trend commonly observed in organisms? A. Decreased complexity over time B. Increased dependence on external resources C. Increased genetic diversity within populations D. Decreased adaptation to the environment 8) Which of the following is a characteristic feature of Kingdom Plantae? A. Presence of chloroplasts B. Ability to perform photosynthesis C. Lack of cell walls D. Heterotrophic mode of nutrition 9) A biome characterized by hot summer, warm winter and treeless vegetation is A. Steppe grasslands B. Temperate deserts C. Savannah grassland D. Tropical deserts 10) Which of the following is an example of physiological variation in organisms? A. Variation in blood pressure among individuals B. Variation in beak shape among finches C. Differences in fur color in rabbits D. Variation in leaf shape in plants 11) Which of the following are components of the skeletal system in humans? A. Cartilage and blood vessels B. Ligaments and tendons C. Muscles and nerves D. Bones and joints 12) Which of the following represents an example of ecological management and conservation through a biological association? A. Construction of a dam for hydroelectric power B. Introduction of an invasive species for pest control C. Clear-cutting of a forest for timber extraction D. Establishment of marine protected areas 13) The term cell was given by A. Robert Hooke B. Schwann C. De Bary D. Tatum 14) Which of the following is the primary organ involved in gas exchange during respiration in humans? A. Diaphragm B. Bronchi C. Lungs D. Trachea 15) Which gland is responsible for producing the hormone insulin? A. Thyroid gland B. Pituitary gland C. Pancreas D. Adrenal gland 16) Most fishes do not sink in water because of the presences of: I. swim bladder II. air bladder III. air sacs IV. air in spongy bones A. II and III are correct B. I and II are correct C. I, II, III and IV are correct D. III and IV are correct 17) In monohybrid inheritance, if an organism carries two different alleles for a particular gene, it is called: A. Homozygous B. Dominant C. Heterozygous D. Recessive 18) What is the tissue responsible for transporting water and minerals from the roots to the rest of the plant? A. Xylem B. Epidermis C. Parenchyma D. Phloem 19) Which of the following is an example of an abiotic ecological factor? A. Temperature B. Competition C. Predation D. Symbiosis 20) Which of the following processes is involved in the reproduction of developing organisms? A. Budding B. Germination C. Fertilization D. Pollination 21) Behavioral adaptation for dealing with a hot climate could include A. Hibernating during the hottest part of the day B. Large scales on the back of a lizard C. Feeding during the hottest part of the day D. A small kidney to conserve water 22) The natural place of an organism or community is known as A. Niche B. Habit C. Biome D. Habitat 23) Which process in the nutrient cycle converts atmospheric nitrogen into a form that plants can utilize? A. Denitrification B. Nitrogen fixation C. Ammonification D. Nitrification 24) Which of the following functions is performed by the skin to help maintain homeostasis in the human body? A. Regulation of body temperature B. Filtration of blood C. Production of hormones D. Digestion of food 25) Which of the following soil types becomes less fertile due to the intense leaching caused by tropical rains? A. Yellow soil B. Laterite soil C. Red soils D. Black soil 26) Which type of reproduction involves the fusion of gametes from two parents? A. Sexual reproduction B. Asexual reproduction C. Binary fission D. Budding 27) Which processes are involved in nutrient cycling in a functioning ecosystem? A. Erosion, weathering, and sedimentation B. Decomposition, evaporation, and precipitation C. Nitrogen fixation, denitrification, and ammonification D. Respiration, photosynthesis, and transpiration. 28) What is autotrophic nutrition? A. Nutrition in which organisms obtain food by breaking down complex organic compounds. B. Nutrition in which organisms obtain food from other organisms C. Nutrition in which organisms obtain food by consuming both plants and animals D. Nutrition in which organisms produce their own food using energy from the sun or inorganic substances 29) The theory of evolution can be defined as A. The belief that all species were created in their current form B. The hypothesis that organisms strive to improve themselves over generations C. The idea that species change over time through natural processes D. The concept that evolution occurs through a series of sudden and dramatic changes 30) Which of the following is a male reproductive organ in humans? A. Uterus B. Ovary C. Testis D. Fallopian tube 31) Which of the following is an example of a behavioral adaptation for survival in animals? A. Sharp teeth B. Migration C. Wings D. Camouflage 32) Which of the following traits is not visible in a person with Down syndrome? A. Short neck B. High muscle tone C. Small stature D. Slant eyes 33) What is the definition of population ecology? A. The study of interactions between organisms and their physical environment B. The study of evolutionary processes and their effects on populations C. The study of interactions between different populations in an ecosystem D. The study of the distribution and abundance of individuals within a species 34) What is the term used to describe the maximum number of individuals of a species that an environment can support indefinitely? A. Ecological niche B. Limiting factor C. Carrying capacity D. Density-dependent factor 35) Which of the following statements about the heart is true? A. The heart is responsible for the production of red blood cells B. The heart pumps oxygenated blood to the lungs C. The heart receives blood from the kidneys and filters waste products D. The heart is a muscular organ that contracts to circulate blood throughout the body 36) What is the primary source of variation in a population? A. Gene flow B. Mutation C. Natural selection D. Genetic drift 37) Which component of blood is responsible for carrying oxygen to the body tissues? A. Platelets B. White blood cells C. Red blood cells D. Plasma 38) What are the primary products of photosynthesis? A. Carbon dioxide and water B. Glucose and oxygen C. Glucose and carbon dioxide D. Oxygen and water 39) The alternate form of a gene is A. Alternate type B. Dominant character C. Recessive character D. Allele 40) Which organs are part of the alimentary canal in the human digestive system? A. Salivary glands, tongue, and pharynx B. Large intestine, appendix, and rectum C. Stomach, liver, and gallbladder D. Oesophagus, pancreas, and small intestine 41) Which of the following characteristics is typical of the phylum Arthropoda? A. Radial symmetry B. Closed circulatory system C. Endoskeleton made of bones D. Presence of a segmented body 42) Which of the following is an example of conserving resources in an ecosystem A. Excessive use of chemical fertilizers in agriculture B. Introducing invasive species to an ecosystem C. Implementing sustainable fishing practices D. Cutting down trees for timber production 43) Which of the following represents the correct hierarchical organization of life from the smallest to the largest scale? A. Organs, tissues, cells, organisms, populations, communities, ecosystems B. Cells, organs, tissues, organisms, populations, communities, ecosystems C. Tissues, organs, cells, organisms, populations, communities, ecosystems D. Cells, tissues, organs, organisms, populations, communities, ecosystems 44) Which of the following blood vessels carries oxygenated blood away from the heart? A. Arteries B. Venules C. Capillaries D. Veins 45) Which of the following describes the inheritance of traits from parents to offspring A. Evolution B. Adaptation C. Genetics D. Natural selection 46) Which of the following factors primarily affects the distribution of organisms in an ecosystem A. Wind speed B. Soil pH C. Temperature D. Day length 47) Which of the following is NOT a method of reproduction in animals? A. Asexual reproduction B. Budding C. Sexual reproduction D. Sporulation 48) Which of the following statements is true about the kingdom Fungi? A. Fungi obtain nutrients by absorbing organic matter B. Fungi are photosynthetic organisms C. Fungi are multicellular organisms D. Fungi reproduce through the formation of seeds 49) Viviparity refers to the reproductive strategy in which A. Offspring are produced by internal fertilization B. Offspring are produced by external fertilization C. Offspring develop and are nourished inside the female's body D. Offspring develop and are nourished outside the female's body 50) Which of the following is the most inclusive level of classification in the Linnaean system? A. Kingdom B. Phylum C. Domain D. Class

WAEC/NECO 2025

2/26/2025, 5:33:03 PM

syllabus for Economics in JAMB 2025 Topics *Section A: Basic Economic Concepts* 1. Scarcity and choice 2. Opportunity cost 3. Economic systems (traditional, command, market) 4. Economic growth and development 5. Economic indicators (GDP, inflation rate, unemployment rate) *Section B: Microeconomics* 1. Demand and supply 2. Market structures (perfect competition, monopoly, oligopoly) 3. Consumer behavior 4. Production and cost 5. Market failure *Section C: Macroeconomics* 1. National income accounting 2. Aggregate demand and supply 3. Fiscal policy 4. Monetary policy 5. International trade *Section D: Economic Development and Planning* 1. Meaning and measurement of economic development 2. Factors affecting economic development 3. Strategies for economic development 4. Role of government in economic development 5. International organizations and economic development *Section E: International Economics* 1. Gains from trade 2. Tariffs and trade agreements 3. Balance of payments 4. Exchange rates 5. International economic institutions

WAEC/NECO 2025

2/25/2025, 6:36:36 PM

*WAEC 2025 TIMETABLE.* *PLEASE SHARE AGGRESSIVELY. ALSO, DON'T FORGET THAT WE ARE A DIRECT SOURCE DEALER FOR "EXPO"SURE!*🔥 *2025 SCHOOL WASSCE MAY / JUNE PROVISIONAL TIME TABLE ⬆️⬆️⬆️* *IF THERE'S ANY CHANGES WE GOT YOU COVERED 🔥✅🔥* https://whatsapp.com/channel/0029Vb2VFBXLI8YXTq7iut1K