Free Waec/Neco Gce Answers

*WAEC GCE BIOLOGY PRACTICAL ANSWERS* *NUMBER ONE* (1a) The process that occurred in the cell illustrated in diagram B is osmosis. (aii) Osmosis is the movement of water molecules from a region of high water concentration to a region of low water concentration across a semi-permeable membrane. (1b) (i)Cell membrane (ii)Cytoplasm (iii) Vacuole (1ci)The Kingdom of the organism that possesses the cell illustrated in the diagram is Plantae. (1cii) (i)The cell has a cell wall. (ii)The cell has chloroplasts (though not explicitly shown, it's implied in a plant cell).

*BIOLOGY OBJECTIVE ANSWERS* 1. The correct answer is A. petiole. 2. The correct answer is A. Osmosis. 3. The correct answer is B. Osmosis. 4. The correct answer is C. Increase in food and energy needs. 5. The correct answer is C. centriole, formation of spindle fibers. 6. The correct sequence is: A. spiracle, trachea, tracheole, body fluid. 7. The answer is: A. P, Q 8. The answer is: B. is lost during transformation. 9. The answer is: D. arrangement of chromosomes at the equator. 10. The answer is: D. xylem. 11. The answer is: C. hepatic portal vein and inferior vena cava. 12. The answer is: C. capillaries. 13. The answer is: A. raker. 14. The answer is: D. III is forklike to sieve debris from entering the fish. 27. C. sea. 28. B. I and III. 29. C. II and IV. 30. A. Chemosynthesis in organisms 31. B. sunlight. 32. D. ensures a greater chance of survival 33. B. carbon cycle. 34. A. industrial chimneys, combustion and effluents. 35. C. An evergreen climax forest 36. D. kill most strains of bacteria. 37. A. conserving the soil by reducing erosion. 48. The correct answer is B. structural. 49. The correct answer is D. protection. 50. The correct answer is B. inheritance of acquired characteristics.

*WAEC GCE BIOLOGY* *NUMBER THREE* (3ai) A disease vector is any living organism that carries and transmits infectious pathogens (such as viruses, bacteria, or parasites) from one host to another. (3aii) Complete the table below. | Five disease vectors | One disease associated with the vector | |---|---| | Mosquito | Malaria | | Tick | Lyme disease | | Flea | Plague | | Tsetse fly | Sleeping sickness | | Housefly | Typhoid fever | (3bi) Biological control of vectors involves using natural predators, parasites, or pathogens to reduce the population of vectors that transmit diseases. This method aims to disrupt the vector's life cycle or reduce its ability to transmit pathogens, offering an environmentally friendly alternative to chemical control. (3bii) (i) Using Bacillus thuringiensis israelensis (Bti) to control mosquito larvae in aquatic habitats. Bti is a bacterium that produces toxins specifically harmful to mosquito larvae. (ii) Introducing larvivorous fish, such as Gambusia affinis, into water bodies to prey on mosquito larvae. (3c) (i) Promoting frequent handwashing with soap and water. (ii) Ensuring proper sanitation and hygiene practices in restrooms and cafeterias. (iii) Encouraging vaccination against common infectious diseases. (iv) Implementing measures for early detection and isolation of sick individuals.

*WAEC GCE BIOLOGY* *NUMBER TWO* (2a) (i) ATP: Adenosine Triphosphate (ii) NADP: Nicotinamide Ade ine Dinucleotide Phosphate (iii) ADP: Adenosine Diphosphate (2b) Chloroplasts contains chlorophyll, which absorbs sunlight. This light energy is used to convert carbon dioxide and water into glucose during photosynthesis.

*WAEC GCE BIOLOGY* *NUMBER FIVE* (5a) Courtship behaviour is the set of actions or displays carried out by animals to attract a mate and prepare for reproduction. These behaviours increase the likelihood of successful mating and often involve visual displays, vocalizations, or chemical signals. (5aii) (i) elaborate dances (ii) vocalizations (iii) physical contests. (5bi) [TABULATE] =Complete metamorphosis= (i) Involves four distinct stages: egg, larva, pupa, and adult. (ii) The larval stage looks completely different from the adult =Incomplete metamorphosis= (i) Involves three stages: egg, nymph, and adult (ii) The nymph stage resembles a smaller, wingless version of the adult. (5bii) (i) Complete metamorphosis: Butterflies and beetles (ii) Incomplete metamorphosis: Grasshoppers and cockroaches (5ci) (a) Food (b) Water (c) Shelter/Space (d) Mates (5cii) (a) Atmospheric carbon dioxide (b) Respiration of organisms (c) Decomposition of organic matter (d) Combustion of fossil fuels (5d) [TABULATE] =THREE AGRICULTURAL ACTIVITIES= (i) Deforestation (ii) Excessive use of fertilizers (iii) Overgrazing =TWO ADVERSE EFFECTS EACH OF THE AGRICULTURAL ACTIVITY ON THE ECOSYSTEM= (i) (a) Habitat loss (b) Soil erosion (ii) (a) Eutrophication of water bodies (b) Soil acidification (iii) (a) Desertification (b) Loss of vegetation cover (5e) (i) Nutrient and oxygen supply to the fetus (ii) Waste removal from the fetus

*WAEC GCE BIOLOGY* *NUMBER ONE* (1a) A conditioned reflex is a learned response in which an originally neutral stimulus becomes associated with another stimulus and eventually produces a response on its own. It is acquired through experience and training, unlike natural (innate) reflexes which are present at birth. (1aii) (i) Helps animals adapt to their environment by learning new responses. (ii) Assists in survival by learning to avoid danger or harmful situations. (iii) Enables animals to form habits that improve feeding, communication, and general behaviour. (1b) (i) Sensory neurones (ii) Motor neurones (iii) Relay (intermediate) neurones (1c) (i) Blinking of the eye (ii) Knee-jerk reaction (iii) Withdrawal of hand from a hot object (iv) Pupil constriction in bright light (1d) TABULATE Hormonal coordination (i) Generally slower, long lasting effects (ii) Uses chemical messengers ( hormones ) carried by blood (iii) Effects are widespread and diffuse Nervous coordination (i) Very rapid, short - lived effects (ii) Uses electrical impulses via neurons (iii) Effects are precise and localized

WAEC GCE BIOLOGY QUESTIONS 👇👇👇👇👇👇

It instills a sense of responsibility in individuals to contribute positively to national development through community service and peaceful coexistence. (v) Empowerment for Sustainable Development: Citizenship education helps people understand their roles in economic growth, environmental sustainability, and societal well-being. 🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰 *NUMBER SIX* (6) (i) Erosion of Trust: When dishonesty and deceit prevail, individuals lose trust in leaders, institutions, and even one another, weakening the social fabric. (ii) Increase in Crime and Insecurity: Negative values such as greed and hatred promote criminal behaviors like theft, fraud, and violence, creating fear and instability. (iii) Corruption and Underdevelopment: When people value wealth and power over integrity, corruption becomes rampant, leading to the misuse of resources and lack of development. (iv) Moral Decay: The rise of negative values leads to moral decline in society, including disrespect for elders, lack of discipline, and breakdown in family structure. (v) Weak Governance and Leadership: Societies dominated by selfishness and nepotism often experience poor governance, where public interest is sacrificed for personal gain. 🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰 *NUMBER SEVEN* (7a) Traditional authority is a form of power or leadership that is based on long-standing customs, beliefs, and practices. It is often hereditary and respected because it is rooted in the culture of a people, such as kingship, chieftaincy, and elders’ council. (b) (i) Maintenance of Law and Order: Constituted authority enforces laws and ensures peace through policing, judiciary, and legislation. (ii) Provision of Social Services: Government, as a form of constituted authority, provides essential services like education, healthcare, transportation, and security. (iii) Economic and Political Stability: Through effective policies, constituted authority promotes stable economic growth and democratic governance. (c) (i) Integrity: A good leader is honest and transparent. (ii} Vision: A good leader has clear goals and plans for the future. (iii} Empathy: A good leader understands and cares about the needs of the people. 🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰 *COMPLETED 💯*

*2025 NECO GCE CIVIC ANSWERS* 🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰 *OBJECTIVE* 01-10: ECDDEAEEED 11-20: BBEEAAEBEA 21-30: BADAAEBBED 31-40: ADCABABCCE 41-50: CDDCDECDAD 51-60: BECCCDADAE *COMPLETED* 🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰 *THEORY PATH* *NUMBER ONE* (1a) Cultism is the membership and operation of secret groups (often called cults or confraternities), whose initiation, membership, policies and activities are carried out in secrecy. Cultism often involves rituals, secret oaths, and activities that conflict with societal norms and values. (b) (i) Peer pressure among students, leading some to join cult groups to fit in or feel accepted. (ii) Search for protection or power: Some students join cults believing cult membership offers status, protection, or influence. (iii) Weak enforcement of laws and school discipline, making it easier for cults to recruit and operate. (iv) Lack of moral guidance or decline in societal values among youth, which may push them toward cultism. 🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰 *NUMBER TWO* (i) Truthfulness — being truthful in speech, avoiding lies, exaggerations, or distortions of facts. (ii) Integrity — having consistent moral and ethical principles, so that one’s actions match one’s words and values. (iii) Transparency — being open and straightforward in dealings, so that others can see what you are doing and do not have to guess motives. (iv) Sincerity — being genuine in intentions and feelings, not being hypocritical or pretending. (v) Accountability / fairness — taking responsibility for one’s actions and treating others with fairness and justice. 🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰 *NUMBER THREE* (3a) An interpersonal relationship is a social connection or association between two or more people through which they interact, share experiences, communicate, and influence each other’s behaviour, feelings or attitudes. (b) (i) Mutual trust — Spouses trust each other; honesty and faithfulness build a stable foundation. (ii) Communication — Open and respectful communication helps resolve misunderstandings and build understanding. (iii) Mutual respect — Each spouse respects the other’s individuality, rights, and opinions. (iv) Shared responsibilities and cooperation — Both partners equally cooperate in household duties, decision‑making, and support. 🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰 *NUMBER FOUR* 4a) (i) Provides essential services to citizens (roads, education, health, security) which improve quality of life. (ii) Promotes social welfare and development — ensures public needs are met as against purely profit‑driven services. (iii) Helps maintain law, order and social justice — public institutions enforce rules and protect citizens’ rights. (b) (i) Corruption — misuse of funds and positions undermines efficiency and trust in public service. (ii) Bureaucracy / red tape — excessive formalities slow down service delivery. (iii) Inadequate funding or resources — lack of necessary infrastructure, equipment, or personnel weakens performance. (iv) Poor accountability and supervision — lack of oversight leads to inefficiency and poor service quality. 🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰 *NUMBER SEVEN* (7a) Traditional authority refers to a form of leadership where power and governance are based on customs, traditions, and inherited positions (e.g. kingship, chieftaincies) rather than elected or appointed offices. 🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰🟰 *NUMBER FIVE* (5) (i) Promotion of National Unity: It fosters patriotism, tolerance, and understanding among citizens, helping to bridge ethnic, religious, and regional divides. (ii) Political Awareness and Participation: Citizenship education encourages participation in democratic processes such as voting, decision-making, and holding leaders accountable. (iii} Respect for Rule of Law: It teaches the importance of laws and regulations in a society, promoting obedience to constituted authority and discouraging lawlessness. (iv) Promotion of Civic Responsibility:

NECO GCE CIVIC EDU. OBJ 01-10: ECDDEAEEED 11-20: BBEEAAEBEA 21-30: BADAAEBBED 31-40: ADCABABCCE 41-50: CDDCDECDAD 51-60: BECCCDADAE COMPLETED

2025 NECO GCE CIVIC EDUCATION QUESTIONS 👇👇👇👇👇👇👇👇

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