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(6a) Democracy is seen as a system where power of governance is with the people, though exercised by some individuals elected by the electorate through popular and periodic elections. (6b) (i)Independent Judiciary is the absolute freedom of the judiciary to administer justice without interference from any external body such as executive, legislature, civil societies. (ii)The military which consist of the army, air-force and navy are empowered by the constitution to protect/defend the territorial integrity of a democratic state against internal insurrection and external aggression. (iii)Political parties are organized group of people who have the same political opinion, interest and beliefs with the sole aim of contesting elections in other to gain political power and sustain the interest of the masses in a democratic state. (6c) (i)Adopted Law from another country. (ii)Cultures of several ethnic groups. (iii)Law made by the legislative arm of the government. @examcheck_neco

(3a) Leadership is the ability to guide and inspire a group of individuals towards a common goal or vision. It involves taking charge, making decisions, and providing direction to achieve desired outcomes. (3b) (i) Effective Communication: A good leader is able to communicate clearly and effectively with their team, conveying their vision, expectations, and providing guidance. They listen actively and encourage open dialogue. (ii) Decision-Making Skills: A good leader possesses strong decision-making skills. They gather information, analyze options, and make informed decisions for the benefit of the team and organization. They are confident in their choices and take responsibility for the outcomes. (iii) Empathy and Emotional Intelligence: A good leader shows empathy towards their team members, understanding their needs, concerns, and perspectives. They have emotional intelligence, which helps them manage relationships, resolve conflicts, and create a harmonious work environment. (iv) Integrity and Accountability: A good leader leads with integrity, demonstrating honesty, trustworthiness, and ethical behavior. They take responsibility for their actions and decisions, holding themselves accountable. They lead by example and earn the respect and trust of their team. @examcheck_neco

Question 1

GEOGRAPHY- OBJ 1-10: BCDDAAAABD 11-20: BDAAAADDBC 21-30: BDCCBAADBD 31-40: ADDCBEBDDB 41-50: ACBECCADEE 51-60: BDBBCBBAAB @examcheck_neco Solved by EXAM_CHECK✅ COMPLETED!!!!!!!

(4a) (PICK ANY THREE) (i) Changes in temperature: Climate change can result in increased temperatures, leading to heat stress in animals. This can negatively affect their health, reproduction, and productivity. (ii) Changes in precipitation: Climate change can lead to alterations in rainfall patterns, resulting in droughts or heavy rainfall events. Both of these extremes can have significant impacts on animal husbandry, affecting the availability of water and forage for animals. (iii) Increased disease risk: Climate change can create more favorable conditions for the spread of diseases in animals. Warmer temperatures can promote the survival and reproduction of disease-carrying vectors, such as ticks and mosquitoes, increasing the risk of diseases like Lyme disease or West Nile virus. (iv) Changes in vegetation: Climate change can alter the composition and distribution of vegetation, which can impact animal grazing patterns and the availability of nutritious forage. This can result in reduced animal productivity and the need for supplemental feeding. (v) Changes in water resources: Climate change can affect the availability and quality of water resources for animals. This can impact water availability for drinking and bathing, as well as the ability to irrigate pastures or crops for feed. (4b) (PICK ANY FOUR) (i) Implementing sustainable and climate-smart management practices, such as rotational grazing and agroforestry, which can help sequester carbon, improve soil health, and conserve water resources. (ii) Improving animal genetics and breeding programs to select for traits that are more resilient to climate change, such as heat tolerance and disease resistance. (iii) Promoting efficient use of water resources through technologies like drip irrigation systems, water recycling, and rainwater harvesting. (iv) Enhancing animal health management through the development and deployment of vaccines, biosecurity measures, and integrated pest management strategies to reduce the impact of climate-induced diseases. (v) Implementing proper waste management systems to reduce emissions of greenhouse gases from livestock waste, such as methane from manure. (vi) Investing in research, innovation, and technology development to develop climate-resilient animal breeds, improve feed efficiency, and explore alternative feed sources that mitigate the environmental impact. (7a) (i)Industrial Emissions: Factories and industries release harmful pollutants into the air, like carbon monoxide, sulfur dioxide, and particulate matter. These emissions can contribute to smog and respiratory problems. (ii)Vehicle Emissions: Cars, trucks, and other vehicles release pollutants like nitrogen oxides and carbon monoxide into the air. The exhaust from vehicles can contribute to air pollution, especially in densely populated areas with heavy traffic. (iii)Burning of Fossil Fuels: When we burn fossil fuels like coal, oil, and natural gas for energy, it releases pollutants into the air. These pollutants, such as greenhouse gases and particulate matter, can contribute to climate change and air pollution. (7b) (i)Reduce Emissions: One way to control air pollution is by reducing the amount of pollutants released into the air. (ii)Plant Trees and Create Green Spaces: Trees absorb carbon dioxide and release oxygen, helping to improve air quality. @examcheck_neco

GEOGRAPHY-PRACTICAL-ANSWERS (3a) Rocks are naturally occurring solid aggregates or masses composed of minerals, mineraloids, or organic materials. They make up the Earth's crust and can range in size from small pebbles to large mountains. (3b) (i) Clastic Sedimentary Rocks: These rocks are composed of fragments or grains of pre-existing rocks that have been eroded, transported, and deposited by water, wind, or ice. Examples of clastic sedimentary rocks include sandstone, shale, and conglomerate. (ii) Chemical Sedimentary Rocks: These rocks are formed from the precipitation and accumulation of minerals dissolved in water. These minerals can come from evaporated seawater or groundwater. Examples of chemical sedimentary rocks include limestone, gypsum, and rock salt. (iii) Organic Sedimentary Rocks: These rocks are formed from the accumulation and compaction of organic remains, such as plants and animals. Over time, these organic materials undergo a process called burial and are transformed into rocks. An example of an organic sedimentary rock is coal. (3c) (i) Rocks such as bauxite are used in iron production. (ii) Rocks like granite, limestone and sandstone are used as building and construction materials @examcheck_neco

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*NECO GCE BIOLOGY* *NUMBER FIVE* (5ai) (PICK ANY FOUR) (i) Water (ii) Oxygen  (iii) Temperature (iv) Light m (v) Soil or substrate (vi) Time (5aii) In Tabular form -Hormonal Coordination- (PICK ANY THERE) (i) Hormones are chemical messengers secreted by endocrine glands and released into the bloodstream. (ii) Hormonal responses are slower and more gradual compared to nervous responses. (iii) Hormonal responses are often long-lasting. (iv) Hormonal communication is based on the release and diffusion of hormones throughout the body. (v) Hormones act on specific target cells or organs that have appropriate receptors. (vi) Hormonal coordination controls processes such as growth, development, reproduction, and metabolism. -Nervous Coordination- (PICK ANY THREE) (i) Nerves are specialized cells that transmit electrical impulses rapidly. (ii) Nervous responses are rapid and immediate. (iii) Nervous responses are often short-lived. (iv) Nervous coordination is based on the transmission of electrical signals along nerve cells. (v) Nerves directly connect specific cells, tissues, and organs. (vi) Nervous coordination controls processes such as movement, sensation, and reflex actions. (5bi) (i) Inhalation: Before exhalation, there is an inhalation phase where the diaphragm contracts and moves downward. This causes the volume of the chest cavity to increase and the lungs to expand, allowing air to enter. (ii) Oxygen exchange: During inhalation, oxygen from the inhaled air passes through the respiratory system's airways and reaches the alveoli. In the alveoli, oxygen diffuses into the capillaries, where it binds to hemoglobin in red blood cells. (iii) Carbon dioxide removal: Simultaneously, carbon dioxide, a waste product of cellular respiration, diffuses from the capillaries into the alveoli. (iv) Exhalation: After oxygen and carbon dioxide exchange, the diaphragm relaxes and moves upward, reducing the volume of the chest cavity. This forces air out of the lungs. (v) Exhaled air: The exhaled air contains mainly carbon dioxide, along with trace amounts of other gases. (5bii) (i) Succulence: Xerophytic plants have adapted to store water in their leaves, stems, or roots to survive in arid environments. They may have fleshy, water-storing tissues or specialized structures to reduce water loss. (ii) Reduced leaf surface: Many xerophytic plants have smaller or modified leaves, such as spines or scales, to minimize water loss through transpiration. (iii) Deep-rooted: Xerophytic plants often have deep and extensive root systems to reach underground water sources. (iv) Waxy or hairy surfaces: Xerophytic plants may have a waxy cuticle or hairy surfaces on their leaves to reduce water loss through evaporation. (v) CAM metabolism: Some xerophytic plants employ Crassulacean acid metabolism (CAM) photosynthesis, a specialized pathway that allows them to open their stomata at night, reducing water loss during the day. @examcheck_neco

These neurotransmitters cross the synapse, a small gap between neurons, and bind to receptors on the receiving neuron. This binding causes a change in the electrical charge of the receiving neuron, allowing the nerve impulse to continue along the neural pathway. (4bi)  - myopia (nearsightedness)  - hyperopia (farsightedness). (4bii)  - petals - sepals - stamen - pistil. (4biii) Grass---> Grasshopper---> Lizard-->Snake @examcheck_neco

(2ai) (i) Imbibition: The seed absorbs water from the soil, causing it to swell and activate biochemical processes within the seed. (ii) Activation of Enzymes: The imbibed water activates enzymes within the seed, which initiate the metabolic processes necessary for germination. (iii) Mobilization of Stored Energy: The stored energy reserves, such as starch and proteins, within the seed are broken down into simple sugars to provide energy for the growing embryo. (iv) Growth of the Embryo: The embryo grows, and the radicle (primary root) emerges from the seed, followed by the emergence of the shoot, which develops into the stem and leaves. (v) Photosynthesis: As the shoot emerges and develops leaves, the plant is able to carry out photosynthesis, which provides it with the energy to continue growing. (2aii) (i) Availability of Resources: The availability of food, water, shelter, and suitable habitat directly influences the population size. (ii) Predation: The presence of predators can limit the population size of organisms as they prey on them, causing a decrease in the population. (iii) Competition: Competition for limited resources, such as food and territory, can limit the population size of organisms as individuals have to compete for these resources. (iv) Disease and Parasites: The presence of diseases and parasites can negatively impact the population size by causing morbidity and mortality. (2bi) -Bush Burning- (i) Loss of vegetation: Bush burning destroys plants, resulting in a loss of habitat and decreased biodiversity. (ii) Soil degradation: Intense heat from bush burning can lead to soil degradation, reducing its fertility and ability to support plant growth. -Fertilizer Application- (i) Eutrophication: Overuse or improper application of fertilizers can lead to eutrophication, where excessive nutrients enter water bodies, leading to algal blooms and oxygen depletion. (ii) Soil pollution: Certain fertilizers can contain harmful chemicals that can pollute the soil, affecting soil quality and the health of organisms living in it. -Use of Pesticides- (i) Harm to non-target organisms: Pesticides can harm not only the targeted pests but also beneficial organisms such as pollinators, natural predators, and soil organisms, affecting biodiversity. (ii) Bioaccumulation and biomagnification: Some pesticides can accumulate in the body tissues of organisms and can become more concentrated as they move up the food chain, posing a risk to higher-level consumers. (2bii) (i) Pulmonary Respiration (ii) Cutaneous Respiration (iii) Buccopharyngeal Respiration (4ai)  - camera traps - transect lines - mark-recapture techniques. (ii) The process of ionic transmission of a nerve impulse in a neuron starts with the generation of an action potential. When a nerve impulse reaches the end of one neuron, it triggers the release of neurotransmitters, which are chemical messengers. @examcheck_neco

(1ai) Organic evolution refers to the gradual and cumulative change in the heritable characteristics of biological populations over successive generations. (1aii) - Wind - Animal (1aiii) - Photosynthesis occurs in plants and some bacteria, while respiration occurs in all living organisms. - Photosynthesis produces oxygen and glucose, while respiration uses oxygen to break down glucose and produce energy. (1aiv) - It promotes cell elongation - It controls tropic responses like phototropism and gravitropism. (1bi) Metamorphosis in houseflies involves four stages: egg, larva (maggot), pupa, and adult. The adult female housefly lays eggs on suitable organic material. These eggs hatch into larvae or maggots, which feed on the organic matter. The larva then transforms into a pupa, where it undergoes a complex series of changes. Finally, an adult housefly emerges from the pupa, completing the metamorphic cycle. (1bii) - Cellular level - Tissue level - Organ level - Organ system level - Organismal level @examcheck_neco

BIOLOGY-OBJ 01-10 CBDBDACCBD 11-20 AAEBCEDCCB 21-30 BBCACBEAAE 31-40 DDCDBDCAAB 41-50 DDEEDADABE 51-60 EAAEACABAB @examcheck_neco Solved by EXAM_CHECK✅ Completed!!!!!!

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