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Pregunta 1 Informe
What is a key factor in preventing pest infestations in the home?
Detalles de la respuesta
The key factor in preventing pest infestations is storing food in sealed containers and cleaning up crumbs and spills promptly. This approach targets the root cause of most household pest problems: access to food and water.
Pests such as cockroaches, ants, mice, and rats are attracted to homes primarily because they offer food, water, and shelter. By storing all food (including pet food, cereals, flour, sugar, and snacks) in airtight, sealed containers, pests are denied the food sources they seek. Promptly cleaning up crumbs, spills, and food residues removes the scent trails and small food deposits that attract and sustain pest populations. Regularly emptying rubbish bins and keeping them sealed further reduces attractants.
The other options describe practices that would either worsen or fail to address the problem. Keeping the home cluttered provides hiding places and nesting sites for pests. Leaving food and trash in the open actively attracts pests. Using pesticides regularly even when no pests are present is not a recommended preventive strategy: it is both wasteful and can lead to pesticide resistance, environmental contamination, and health risks. Prevention through sanitation and exclusion is always preferred over chemical treatment.
Pregunta 2 Informe
What safety precaution should be taken when handling sharp knives in the kitchen?
Detalles de la respuesta
The correct safety precaution when handling sharp knives is keeping fingers curled under and away from the blade. This technique is known as the claw grip: the fingertips are tucked inward and the knuckles face the blade, so that even if the knife slips, it contacts the flat of the knuckles rather than exposed fingertips.
This grip allows the cook to hold the food securely while guiding the knife with the other hand, maintaining control and minimizing the risk of cuts. It is one of the first safety skills taught in culinary training.
The other options describe unsafe practices. Using a dull knife is more dangerous than using a sharp one because a dull blade requires more force to cut, making it more likely to slip off the food and into the hand. Cutting towards the body directs the blade toward the user if it slips, greatly increasing injury risk. Holding the knife at a 90-degree angle to the cutting surface is impractical for most cutting tasks and does not represent a recognized safety technique.
Exam tip: Kitchen safety questions often test whether students know the claw grip and understand that sharp knives are safer than dull ones.
Pregunta 3 Informe
What is the scope of Home Economics?
Detalles de la respuesta
Home Economics is an interdisciplinary field that covers a broad range of topics rather than being limited to a single area. Its scope includes:
The options that limit the scope to "only food and nutrition," "only household management and budgeting," or "only child development and family relationships" each represent just one component of the discipline. Home Economics deliberately integrates all of these areas because managing a home and family effectively requires knowledge and skills across multiple domains.
The correct answer recognises this comprehensive, multidisciplinary nature of the field.
Pregunta 4 Informe
What is an important step in protecting personal and financial information when shopping online?
Detalles de la respuesta
When shopping online, protecting personal and financial information is critical because data transmitted over the internet can be intercepted by malicious actors. The most important step a consumer can take is to verify that the website uses HTTPS (Hypertext Transfer Protocol Secure) and displays a lock icon in the browser's address bar. HTTPS encrypts the data exchanged between the user's browser and the website's server, making it extremely difficult for third parties to read sensitive details such as credit card numbers, passwords, and personal addresses.
Verifying the website's HTTPS and lock icon in the address bar is the correct answer because it directly addresses the security of the data transmission channel before any sensitive information is entered.
The remaining options all represent risky behaviours. Saving login credentials on public computers exposes accounts to anyone who uses that computer afterwards. Public Wi-Fi networks are often unencrypted, making it easy for attackers to intercept data. Sharing sensitive information on social media makes it publicly accessible and can be exploited for identity theft or fraud.
Pregunta 5 Informe
What is an important factor in maintaining a strong marital relationship?
Detalles de la respuesta
Regularly scheduled date nights are an important factor in maintaining a strong marital relationship because they create dedicated, intentional time for partners to connect emotionally, communicate openly, and nurture their bond outside the demands of daily life.
As couples navigate responsibilities such as work, childcare, and household management, it is common for the relationship itself to receive less attention. Scheduling regular date nights ensures that quality time together remains a priority, reinforcing emotional intimacy, mutual appreciation, and shared enjoyment.
The other options describe approaches that can actually weaken a relationship. Avoiding conflict altogether is unhealthy because unresolved issues build resentment; healthy relationships require constructive conflict resolution rather than avoidance. Having multiple children does not inherently strengthen a marriage - in fact, the added pressures of parenting can strain the relationship if the couple does not invest in their partnership. Spending all free time together can lead to a loss of individual identity and personal space, which are important for each partner's wellbeing and, in turn, for the health of the relationship.
Pregunta 6 Informe
What is the purpose of interfacing in garment construction?
Detalles de la respuesta
Interfacing is a textile material placed between the outer fabric and the facing (or lining) of a garment to add body, shape, and stability to specific areas. It is most commonly applied to collars, cuffs, waistbands, button plackets, and lapels, where the garment needs to hold a defined shape rather than drape loosely.
Interfacing comes in two main forms: fusible (iron-on) and sew-in. Fusible interfacing has an adhesive coating that bonds to the fabric when heat and pressure are applied. Sew-in interfacing is stitched into the garment and is preferred for delicate or heat-sensitive fabrics. Both types are available in different weights to match the garment fabric.
The correct answer is that interfacing is used to stabilize or support fabric. It does not finish seams (that is the role of seam finishes such as overlocking or binding), does not add decorative elements (that is the function of trims, embroidery, or applique), and does not create a lining (a lining is a separate layer of fabric that covers the garment's interior construction).
Exam tip: When asked about interfacing, focus on the concept of structural support and shape retention in specific garment areas.
Pregunta 7 Informe
What type of flour is best suited for making delicate pastries and cakes?
Detalles de la respuesta
Cake flour is the best type of flour for making delicate pastries and cakes because of its low protein content, typically around 7-9%.
The protein content of flour determines how much gluten forms when the flour is mixed with liquid. Gluten provides structure but also creates chewiness and toughness. For delicate baked goods, minimal gluten development is desirable to achieve a soft, tender, and fine crumb.
Comparing the flour types:
Cake flour is also more finely milled and often bleached, which further contributes to its ability to produce a smooth, fine-textured crumb.
Pregunta 8 Informe
What is a benefit of using a slow cooker?
Detalles de la respuesta
A slow cooker operates at low temperatures over extended periods, typically between 80 and 100 degrees Celsius. This cooking method allows the cook to prepare ingredients, place them in the appliance, and leave it to work without constant monitoring. The long, gentle heat breaks down the collagen in tough, inexpensive cuts of meat, converting it into gelatin and producing tender, flavourful results that would be difficult to achieve with quick, high-heat methods.
Hands-off cooking and tenderization of tough cuts accurately describes the primary benefit. The cook saves time and effort because the slow cooker does not require stirring, flipping, or temperature adjustments during the cooking cycle.
A slow cooker does not offer quick cooking time - it is specifically designed for long, slow cooking. High-heat searing is the opposite of what a slow cooker does; searing requires direct, intense heat from a pan or grill. Limited cooking capacity is a drawback, not a benefit, and many slow cookers actually come in large sizes suitable for family meals.
Exam tip: When asked about the benefit of a cooking method, focus on what the method does better than alternatives, not just what it does.
Pregunta 9 Informe
What is the primary goal of home management?
Detalles de la respuesta
The primary goal of home management is to manage resources effectively to achieve family goals. Home management is about making the best possible use of the resources available to a family so that the family can meet its needs and aspirations.
The resources that home management deals with include:
The management process involves planning, organizing, implementing, and evaluating how these resources are used. The ultimate aim is to improve the quality of life for all family members and to reach shared goals such as financial stability, a comfortable home environment, good health, and strong relationships.
The other options represent misconceptions:
Pregunta 10 Informe
Which subject is closely related to Home Economics in the area of nutrition and dietetics?
Detalles de la respuesta
Nutrition and dietetics is the study of how food and nutrients affect health, growth, and disease prevention. Among the subjects listed, Biology is most closely related to Home Economics in this area because biology provides the scientific foundation for understanding how the human body digests, absorbs, and metabolises nutrients.
Key biological concepts that underpin nutrition and dietetics include:
While chemistry deals with the chemical composition of food molecules, and mathematics is useful for dietary calculations, neither is as directly linked to the biological processes of nutrition as biology itself. Physics has minimal direct relevance to nutrition and dietetics.
Pregunta 11 Informe
How often should kitchen utensils and equipment be sanitized?
Detalles de la respuesta
Kitchen utensils and equipment should be sanitized after each use. This is the standard food safety practice because utensils come into contact with raw and cooked foods, each of which may carry bacteria, allergens, or other contaminants.
Sanitizing after each use prevents cross-contamination, which occurs when bacteria from one food item (especially raw meat, poultry, or fish) are transferred to another food via a shared utensil, cutting board, or surface. Pathogens such as Salmonella, E. coli, and Campylobacter can survive on surfaces for hours or even days if not properly cleaned.
The sanitizing process involves first washing the utensil with hot soapy water to remove visible food residue, then rinsing, and finally applying a sanitizing solution (such as a dilute bleach solution or commercial sanitizer) or using very hot water. The utensil should then be air-dried.
Sanitizing only daily, weekly, or monthly leaves utensils contaminated between cleaning sessions, creating opportunities for bacterial growth and foodborne illness. In a busy kitchen where utensils may be used multiple times a day with different foods, after-each-use sanitization is essential.
Pregunta 12 Informe
What is a key step in constructing a garment's sleeve?
Detalles de la respuesta
Constructing a sleeve involves several stages, but the key step that is unique and specific to sleeve construction is setting in the sleeve cap. The sleeve cap is the curved upper portion of the sleeve that must be eased into the armhole (armscye) of the bodice. This process requires careful alignment of notches, even distribution of ease, and precise stitching to ensure the sleeve hangs correctly and allows comfortable arm movement.
Setting in the sleeve cap involves:
The other options describe general garment construction steps that are not specific to sleeve construction. Hemming the bottom is a finishing step for the garment's lower edge. Attaching the collar pertains to the neckline. Sewing the side seams joins the front and back panels of the bodice or skirt. None of these is a defining step of sleeve construction.
Pregunta 13 Informe
What is one area of specialization in Home Economics?
Detalles de la respuesta
Fashion design is a recognised area of specialisation within Home Economics. It draws on the textiles and clothing component of the field, which covers fabric selection, garment construction, pattern making, fashion illustration, and design principles. Students who specialise in this area learn to create clothing and accessories that are functional, aesthetically pleasing, and suited to the needs of different consumers.
Home Economics encompasses several areas of specialisation, including:
The other options belong to entirely different fields. Aerospace engineering is a branch of engineering concerned with aircraft and spacecraft. Computer programming falls within information technology and computer science. Environmental science studies the natural environment and human impacts on it. While Home Economics may touch on environmental awareness in the context of sustainable living, environmental science as a formal discipline is distinct and separate.
Pregunta 14 Informe
What type of mixture has particles that will settle over time, such as mud in water?
Detalles de la respuesta
Mixtures can be classified by the size of their dispersed particles and their behaviour over time. A suspension is a heterogeneous mixture in which the dispersed particles are large enough (typically greater than 1 micrometre) to be seen with the naked eye and to settle out under the influence of gravity when left undisturbed. Mud in water is a classic example: the soil particles are temporarily dispersed when stirred but gradually sink to the bottom.
A solution is a homogeneous mixture in which the solute particles are at the molecular or ionic level (less than 1 nanometre). They do not scatter light and never settle - for example, salt dissolved in water. A colloid has particles between 1 nanometre and 1 micrometre that remain permanently dispersed due to Brownian motion and do not settle - for example, milk. An emulsion is a specific type of colloid consisting of two immiscible liquids, such as oil in water, stabilised by an emulsifier.
Since the question describes particles that settle over time, the correct classification is a suspension.
Pregunta 15 Informe
Why is Home Economics important in today's society?
Detalles de la respuesta
Home Economics is important in today's society because it helps individuals develop skills for employment. The discipline equips students with practical and transferable skills in areas such as food preparation, textile production, interior decoration, consumer management, and child care - all of which form the basis for gainful employment and entrepreneurship in industries like catering, fashion, hospitality, and social services.
Examining the other options reveals why they are incorrect:
Pregunta 16 Informe
What is the primary function of the placenta during pregnancy?
Detalles de la respuesta
The placenta is a temporary organ that develops in the uterus during pregnancy and serves as the vital interface between the mother and the developing foetus. Its primary function is to supply oxygen and nutrients from the mother's blood to the foetus and to carry waste products (such as carbon dioxide and urea) from the foetus back to the mother's circulation for disposal.
This exchange occurs across the placental barrier, where maternal and foetal blood come into close proximity without mixing directly. Oxygen and dissolved nutrients (glucose, amino acids, vitamins, and minerals) diffuse from the mother's blood into the foetal blood through the chorionic villi, while waste products move in the opposite direction.
While the placenta does produce hormones (such as progesterone and human chorionic gonadotropin) that help maintain pregnancy, this is a secondary function - not its primary one. The question asks specifically about the primary function, which is the life-sustaining supply of oxygen and nutrients to the foetus. Cushioning the foetus from external shocks is the role of the amniotic fluid, not the placenta. The placenta supplies the foetus, not the mother, so the option referring to providing nutrients to the mother misidentifies the direction of transfer.
Pregunta 17 Informe
What is an effective way to save time during meal preparation?
Detalles de la respuesta
Cooking in bulk and freezing meals is an effective time-saving strategy in meal preparation. This approach, often called batch cooking, involves preparing large quantities of food at once and storing portions in the freezer for future use. On busy days, a pre-made meal only needs to be reheated, eliminating the need to cook from scratch each time.
Batch cooking saves time in several ways: ingredients are washed, chopped, and measured once for multiple meals; the kitchen is cleaned up only once instead of daily; and cooking equipment is used efficiently. It also reduces decision fatigue because meal choices have already been made.
The other options actually increase the time spent on meal preparation. Using a variety of complex recipes demands more planning, more ingredients, and longer cooking times. Shopping for ingredients daily requires repeated trips to the store. Preparing every meal from scratch means starting the full cooking process each time a meal is needed, which is the most time-intensive approach.
Pregunta 18 Informe
Which of the following is an objective of Home Economics?
Detalles de la respuesta
A central objective of Home Economics is to promote independence and self-sufficiency in individuals. The discipline equips students with practical life skills - including meal planning, budgeting, clothing care, child development knowledge, and household management - that enable them to function independently and make informed decisions in their personal and family lives.
This objective reflects the broad, empowering nature of Home Economics: rather than creating dependency, it builds competence across multiple areas of daily living so that individuals can manage their own homes, finances, nutrition, and family responsibilities effectively.
The other options misrepresent the field's scope. Focusing solely on food preparation and cooking reduces Home Economics to just one of its many branches. Emphasising material possessions contradicts the discipline's values of wise resource management and prioritising well-being over materialism. Preparing students for careers in science and technology describes the objectives of STEM education, not Home Economics, although the field may incorporate scientific principles in areas like nutrition and textile science.
Pregunta 19 Informe
What is a common method for cleaning and maintaining hardwood floors?
Detalles de la respuesta
Sweeping or vacuuming regularly and using a gentle cleaning product is the recommended method for cleaning and maintaining hardwood floors. This approach removes everyday dirt, dust, and grit that can scratch the floor's finish, while the gentle cleaner handles stains and spills without damaging the wood.
Hardwood floors have a protective finish (polyurethane, wax, or oil) that preserves the wood underneath. Proper maintenance protects this finish and extends the life of the flooring.
The other methods can damage hardwood floors:
The key principle of hardwood floor care is gentle, regular maintenance that removes debris without introducing excessive moisture or harsh chemicals.
Pregunta 20 Informe
What should you do if you spill a slippery substance on the kitchen floor?
Detalles de la respuesta
A slippery substance on a kitchen floor is an immediate safety hazard that can cause falls, injuries, and even burns if someone slips near a hot stove. The correct response involves two simultaneous actions: placing a warning sign (or a visible barrier) to alert others to the danger, and cleaning up the spill immediately.
Placing a warning sign and cleaning it up immediately is the correct answer because it addresses both the immediate risk to others and the removal of the hazard. The warning sign protects anyone who might walk through the area before the cleaning is complete.
Trying to clean it up later leaves the hazard in place, risking injury in the meantime. Ignoring the spill because no one is around is dangerous because someone could enter the kitchen at any moment. Leaving it for someone else shifts responsibility and prolongs the danger unnecessarily. In kitchen safety, spills must be treated as urgent - the person who discovers the hazard is responsible for initiating the response.
Pregunta 21 Informe
How does Home Economics relate to Economics?
Detalles de la respuesta
Home Economics and Economics are related disciplines, but they operate at different scales. Economics studies the production, distribution, and consumption of goods and services at the level of markets, industries, and nations. Home Economics applies economic principles to manage household resources - it takes concepts such as budgeting, resource allocation, opportunity cost, and consumer decision-making and applies them within the context of family and home life.
For example, a household must decide how to allocate a limited income across competing needs (food, clothing, shelter, education, savings). This is fundamentally an economic problem - scarcity of resources requires choices - and Home Economics equips individuals with the practical skills to make these choices wisely. Concepts like comparing unit prices, evaluating quality versus cost, and planning expenditure are drawn directly from economic theory.
The option suggesting that Home Economics focuses on consumer behaviour while Economics focuses on production creates a false separation - Economics covers both production and consumption, and Home Economics is not limited to consumer behaviour alone. Saying the two fields are unrelated is factually wrong. The option that Home Economics focuses solely on household management while Economics focuses on national issues is too rigid - both fields overlap in areas like consumer economics and resource management.
Pregunta 22 Informe
What is an essential step in the decision-making process in home management?
Detalles de la respuesta
The decision-making process in home management involves a series of interconnected steps. Identifying alternatives, evaluating consequences, and making a choice are all essential steps in this process, which is why the correct answer encompasses all of them.
The standard decision-making model in home management includes the following stages:
No single step is sufficient on its own. Without identifying alternatives, the decision-maker has no options to consider. Without evaluating consequences, the choice is uninformed. Without making a choice, no action is taken. Each step depends on the others for the process to produce a sound decision.
Pregunta 23 Informe
What is the main benefit of effective human resource management?
Detalles de la respuesta
Human resource management (HRM) is the strategic approach to managing an organisation's workforce. It encompasses recruitment, training, performance evaluation, compensation, employee relations, and workplace culture. When these functions are carried out effectively, the organisation benefits from workers who are skilled, motivated, and committed to their roles.
The main benefit of effective HRM is improved employee productivity and retention. Well-managed employees receive proper training, clear performance expectations, fair compensation, and opportunities for career growth. These factors increase job satisfaction and motivation, which directly boost productivity. At the same time, satisfied employees are less likely to leave the organisation, reducing costly turnover and preserving institutional knowledge.
Reduced market competition is not a direct outcome of HRM - competition depends on market structure and industry dynamics. Higher raw material costs and increased production costs are negative outcomes unrelated to how employees are managed. Effective HRM, if anything, helps control costs by improving efficiency and reducing waste through a well-trained, engaged workforce.
Pregunta 24 Informe
What is an important factor in maintaining a clean and hygienic home environment?
Detalles de la respuesta
Maintaining a clean and hygienic home environment depends on implementing a regular cleaning schedule. A consistent routine ensures that all areas of the home - kitchen, bathroom, living spaces, and bedrooms - receive attention at appropriate intervals. Daily tasks (washing dishes, wiping surfaces, sweeping floors), weekly tasks (mopping, vacuuming, laundering), and periodic tasks (deep cleaning appliances, washing windows) are planned and carried out systematically rather than left until problems become visible.
A regular schedule prevents the buildup of dust, grease, bacteria, and allergens that contribute to poor indoor air quality, pest infestations, and the spread of illness. It also distributes the workload evenly, preventing the overwhelm of having to tackle a heavily soiled home all at once.
The other options do not address hygiene effectively. Investing in expensive furniture has no bearing on cleanliness - an expensive sofa accumulates dust just as readily as an affordable one. Having a large storage space helps with organisation but does not ensure that surfaces and living areas are sanitised. Using strong chemicals for cleaning can actually be counterproductive: harsh chemicals may damage surfaces, irritate skin and airways, and pose health risks to household members, especially children. Effective cleaning relies on appropriate products and consistent application, not chemical strength.
Pregunta 25 Informe
What is a crucial step in maintaining proper sanitation in the home kitchen?
Detalles de la respuesta
Washing hands frequently, especially after handling raw foods, is a crucial step in maintaining proper kitchen sanitation because hands are the most common vehicle for transferring harmful bacteria between surfaces, raw ingredients, and ready-to-eat food.
Raw meat, poultry, fish, and eggs can harbour dangerous pathogens such as Salmonella, Campylobacter, and E. coli. If a cook handles these raw foods and then touches other surfaces, utensils, or ready-to-eat food without washing their hands, the pathogens transfer through this cross-contamination.
The other options describe practices that actually compromise sanitation:
Pregunta 26 Informe
What is the purpose of blanching vegetables before freezing?
Detalles de la respuesta
Blanching is the process of briefly immersing vegetables in boiling water (or steam) for a short, controlled period, then immediately plunging them into ice water to stop the cooking. Its primary purpose before freezing is to preserve the colour, texture, and nutritional value of the vegetables.
During blanching, heat inactivates enzymes - particularly peroxidase and catalase - that would otherwise continue to break down nutrients, degrade colour pigments, and cause off-flavours during frozen storage. Without blanching, frozen vegetables gradually lose their bright colour, develop unpleasant tastes, and suffer significant nutrient loss even at freezing temperatures.
Blanching does not add flavour to vegetables; it is a preservation step, not a seasoning technique. It does not cook vegetables completely - the brief exposure to heat is deliberately kept short to maintain a firm texture. It also does not make vegetables more crunchy; in fact, the brief heat treatment slightly softens cell walls. The crunchiness of properly blanched-and-frozen vegetables comes from the rapid cooling and freezing that follows, which preserves the remaining structure.
Exam tip: The key word linking blanching to its purpose is enzyme inactivation. Enzymes cause deterioration in colour, flavour, and nutrients - blanching stops this process before freezing locks the vegetables in their preserved state.
Pregunta 27 Informe
What is a common source of food contamination in the kitchen?
Detalles de la respuesta
Food contamination in the kitchen occurs when harmful microorganisms, chemicals, or foreign materials enter food and make it unsafe for consumption. Among the options listed, poor personal hygiene is a well-established and common source of food contamination.
When food handlers fail to wash their hands properly, especially after using the toilet, touching raw food, sneezing, or handling waste, they transfer bacteria such as Salmonella, E. coli, and Staphylococcus aureus to food. Other hygiene failures include touching food with open wounds, not wearing clean clothing, or coughing and sneezing over food.
The remaining options describe practices that prevent contamination rather than cause it:
Maintaining good personal hygiene is considered the first line of defence in food safety. Hand washing with soap and warm water for at least 20 seconds before and during food preparation is one of the most effective ways to prevent foodborne illness.
Pregunta 28 Informe
What type of professional would work with families and communities to promote healthy living and resource management?
Detalles de la respuesta
A Family and Consumer Sciences (FCS) educator is the professional who works with families and communities to promote healthy living and resource management. This role is rooted directly in the discipline of Home Economics, which has evolved into the broader field known as Family and Consumer Sciences.
FCS educators work in schools, community centres, extension services, and public health agencies. Their responsibilities include teaching individuals and families about nutrition and healthy eating, budgeting and financial management, child development and parenting, housing and living environments, textile care, and consumer rights. They help people make informed decisions that improve their quality of life and the wellbeing of their families and communities.
The other professionals listed serve very different functions. A financial analyst evaluates investments, financial markets, and business performance for corporations or individual investors. A data scientist analyses large data sets to extract patterns and insights, typically in technology or business contexts. A marketing manager develops strategies to promote products and services to consumers. None of these roles centres on promoting healthy living and resource management at the family and community level.
Pregunta 29 Informe
What is the primary function of a serger in garment construction?
Detalles de la respuesta
A serger, also called an overlocker, is a specialised sewing machine designed to finish the raw edges of fabric. It uses multiple threads (typically three or four) to simultaneously trim the seam allowance, stitch the seam, and encase the raw edge in thread. This prevents the fabric from fraying and unravelling, producing a neat, professional finish similar to what is seen on commercially manufactured clothing.
To finish seams and prevent fraying is the correct answer because this is the serger's primary and defining function. While a regular sewing machine can construct seams, it cannot efficiently finish raw edges the way a serger can.
Sewing heavy fabrics is better served by an industrial or heavy-duty sewing machine, not specifically a serger. Creating buttonholes requires a buttonhole foot or a specialised buttonhole machine. Sewing straight lines is a basic function of any standard sewing machine. None of these describes the serger's distinctive role in garment construction.
Pregunta 30 Informe
What type of fabric is known for its softness, breathability, and absorbency?
Detalles de la respuesta
Cotton is the fabric best known for combining softness, breathability, and absorbency. It is a natural cellulose fiber harvested from the cotton plant (Gossypium) and has been used in textiles for thousands of years.
Cotton's softness comes from its fine, flexible fiber structure. Its breathability results from the natural gaps between the woven fibers, which allow air to circulate against the skin, helping to regulate body temperature. Its absorbency is due to the hydrophilic (water-attracting) nature of cellulose, which can absorb up to 27 times its own weight in water. This makes cotton comfortable in warm climates and ideal for towels, undergarments, and casual clothing.
Nylon and polyester are both synthetic fibers. Nylon is strong and elastic but has low absorbency. Polyester is durable and wrinkle-resistant but does not absorb moisture well and can feel less breathable. Rayon is a semi-synthetic fiber made from cellulose (wood pulp); while it can be soft, it is less breathable and less absorbent than cotton and tends to lose strength when wet.
Pregunta 31 Informe
What is the primary function of carbohydrates in the human body?
Detalles de la respuesta
The primary function of carbohydrates in the human body is providing energy. Carbohydrates are the body's preferred and most readily available source of fuel.
When carbohydrates are consumed, they are broken down during digestion into simple sugars, primarily glucose. Glucose enters the bloodstream and is transported to cells throughout the body, where it undergoes cellular respiration to produce adenosine triphosphate (ATP), the molecule cells use for energy. The brain alone relies almost exclusively on glucose as its energy source.
Carbohydrates provide approximately 4 kilocalories (17 kilojoules) of energy per gram. They are classified into:
The other options describe functions of different nutrients:
Pregunta 32 Informe
What is the purpose of antenatal care during pregnancy?
Detalles de la respuesta
Antenatal care (also called prenatal care) is the routine health care a pregnant woman receives throughout her pregnancy. Its primary purpose is to monitor the health of both the mother and the developing fetus, detect potential complications early, and provide guidance on nutrition, exercise, and preparation for delivery.
During antenatal visits, healthcare professionals carry out a range of checks including blood pressure monitoring, urine analysis, blood tests, ultrasound scans, measurement of fundal height, and monitoring of fetal heart rate. These assessments help identify conditions such as gestational diabetes, pre-eclampsia, anaemia, placenta praevia, and fetal growth problems at a stage when they can be managed or treated.
Antenatal care also provides an opportunity to educate the mother about healthy practices during pregnancy, birth planning, breastfeeding, and postnatal care. It is a critical component of maternal and child health services.
While determining the baby's sex may occur incidentally during an ultrasound scan, it is not the purpose of antenatal care. Deciding on the baby's name and planning the nursery are personal family decisions unrelated to medical care.
Pregunta 33 Informe
What is a key characteristic of a healthy family relationship?
Detalles de la respuesta
A healthy family relationship is characterised by open and honest communication. When family members feel free to express their thoughts, feelings, concerns, and needs without fear of ridicule or punishment, trust is built and conflicts can be resolved constructively. Open communication allows parents and children to understand each other's perspectives, set expectations clearly, and provide emotional support during difficult times.
Research in family studies consistently identifies communication as the single most important factor in family cohesion and satisfaction. Families that communicate openly tend to handle stress better, resolve disagreements more effectively, and maintain stronger emotional bonds.
The other options describe patterns that weaken family relationships. An authoritarian parenting style - where parents impose strict rules with little explanation and discourage dialogue - tends to create fear rather than trust, and children raised in such environments may struggle with self-esteem and decision-making. Physical distance between family members reduces opportunities for bonding and support. Financial dependence on one parent creates an imbalance of power within the family and can lead to stress and vulnerability if that income source is disrupted.
Pregunta 34 Informe
What is a common challenge faced by blended families?
Detalles de la respuesta
Blended families - formed when one or both partners in a new relationship bring children from a previous relationship - face multiple interconnected challenges. These include achieving financial stability (merging household finances, managing support obligations, and budgeting for a larger family), fostering emotional bonding between step-siblings (who may feel loyalty conflicts, jealousy, or resistance to new family members), and establishing a unified parenting style (where biological parents and step-parents must agree on discipline, rules, and expectations across different sets of children).
Because all three of these are genuine and well-documented challenges faced by blended families, the correct answer encompasses all of them. No single option captures the full picture on its own:
In family studies, blended families are recognised as facing a unique combination of financial, emotional, and structural challenges that require deliberate effort, patience, and communication to navigate successfully.
Pregunta 35 Informe
What is a key benefit of meal planning?
Detalles de la respuesta
Meal planning is the practice of deciding in advance what meals will be prepared and eaten over a given period, typically a week. One of its key benefits is reduced grocery bills.
When meals are planned ahead, the household can create a precise shopping list based on actual needs. This eliminates impulse purchases, reduces the likelihood of buying duplicate items, and allows for strategic use of bulk buying, seasonal produce, and sales. Because every purchased ingredient has a planned use, far less food is wasted, which translates directly into monetary savings.
The other options describe outcomes that meal planning is specifically designed to prevent. Increased food waste is the opposite of what planning achieves, since ingredients are bought with specific meals in mind. Greater reliance on takeout contradicts the purpose of planning home-cooked meals. More spontaneous meals is the antithesis of planning itself.
Exam tip: Meal planning questions typically test the link between advance preparation and resource efficiency, whether in time, money, or nutrition.
Pregunta 36 Informe
What is the primary function of a sewing machine's presser foot?
Detalles de la respuesta
The primary function of a sewing machine's presser foot is to hold the fabric in place against the feed dogs (the serrated metal teeth beneath the needle plate) while the needle creates stitches. The presser foot applies downward pressure on the fabric, keeping it flat and stable so that the feed dogs can advance it evenly between each stitch.
Without the presser foot, the fabric would lift with the needle on its upward stroke, bunch up, or shift sideways, resulting in uneven, skipped, or jammed stitches. The pressure can usually be adjusted depending on fabric weight: lighter pressure for delicate fabrics and heavier pressure for thick materials.
The other options describe functions performed by different parts of the machine or by the sewer. Cutting the fabric is done by scissors or a built-in cutter (on some overlockers), not the presser foot. Guiding the fabric is a task performed by the sewer's hands, using seam guides on the needle plate for alignment. The actual sewing is performed by the needle and bobbin mechanism working together to form stitches.
Pregunta 37 Informe
What is a key factor to consider when comparing prices of different products?
Detalles de la respuesta
When comparing prices of different products, the most reliable factor to consider is the unit price - the cost per standard unit of measurement (per kilogram, per litre, per item, etc.). The unit price allows a consumer to make a fair, objective comparison between products that may come in different package sizes, brands, or formats.
For example, a 500g bag of rice priced at 800 naira and a 2kg bag priced at 2,800 naira cannot be compared directly by their total price. Calculating the unit price reveals that the 500g bag costs 1,600 naira per kg while the 2kg bag costs 1,400 naira per kg, making the larger bag better value per unit.
The other options are unreliable bases for price comparison. A brand name does not guarantee better value - premium brands may charge higher prices for equivalent quality. Advertising claims are designed to persuade, not to provide objective cost comparisons. Packaging design appeals to visual preference and does not reflect the actual value of the product inside.
Exam tip: In consumer education, always distinguish between total price (what you pay at the counter) and unit price (what you pay per standard measure). Unit price is the tool that enables genuine value comparison across products of different sizes and brands.
Pregunta 38 Informe
What is the primary purpose of a control group in a scientific experiment?
Detalles de la respuesta
The primary purpose of a control group in a scientific experiment is to compare results to a baseline or standard. The control group receives no treatment or a standard/placebo treatment, while the experimental group receives the variable being tested. By comparing the outcomes of both groups, the researcher can determine whether the independent variable caused any observed changes.
Without a control group, there is no reference point. Any changes observed in the experimental group could be due to the treatment, natural variation, placebo effects, or external factors. The control group isolates the effect of the independent variable by keeping all other conditions the same.
The other options describe different aspects of experimental design. Reducing experimental error is achieved through techniques like randomisation, replication, and blinding, not specifically through having a control group. Testing the effect of multiple variables relates to factorial experimental designs, not the role of a control. Increasing sample size simply means using more participants, which improves statistical power but is unrelated to the specific function of a control group.
Pregunta 39 Informe
What type of flour is often used for making pizza dough?
Detalles de la respuesta
Different types of flour have different protein (gluten) contents, which affect the texture and structure of baked goods. Pizza dough requires a flour with a high protein content because gluten provides the elasticity and chewiness that characterise good pizza crust. When the dough is stretched and tossed, strong gluten strands hold it together without tearing.
Bread flour typically contains 12 to 14 percent protein, making it ideal for pizza dough. This high gluten content produces a dough that is strong, elastic, and capable of developing the characteristic chewy texture with a crisp exterior when baked at high temperatures.
All-purpose flour (about 10 to 12 percent protein) can produce acceptable pizza dough but yields a softer, less chewy crust. Pastry flour (about 8 to 9 percent protein) is designed for tender pastries and would produce a crust that is too crumbly. Cake flour has the lowest protein content (about 7 to 8 percent) and is intended for delicate, soft-crumbed cakes - entirely unsuitable for the elastic, chewy texture pizza demands.
Pregunta 40 Informe
What is the primary role of human resources in an organization?
Detalles de la respuesta
The primary role of human resources (HR) in an organization is to recruit, train, and develop employees. The HR function centres on managing the people who make up the workforce.
HR's core responsibilities include:
The other options describe functions of different departments within an organization:
Human resources is sometimes called "people management" because its central concern is always the human capital of the organization.
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