Cargando....
|
Mantén pulsado para arrastrar. |
|||
|
Haz clic aquí para cerrar |
|||
Pregunta 1 Informe
Saliva helps in the digestion of
Detalles de la respuesta
Saliva helps in the digestion of starch.
Starch is a carbohydrate that is found in foods like rice, potatoes, bread, and pasta. When we eat foods containing starch, our body needs to break it down into smaller molecules so that it can be absorbed and used for energy.
This is where saliva comes in! When we chew our food, our salivary glands produce saliva that contains an enzyme called amylase. Amylase is responsible for breaking down the starch molecules into smaller sugar molecules called glucose.
By breaking down starch, saliva helps to start the process of digestion and makes it easier for our body to absorb and utilize the energy from the food we eat.
Saliva doesn't directly help in the digestion of proteins, fats, or vitamins. These nutrients are broken down by different enzymes and processes in our digestive system.
In summary, saliva plays an important role in the digestion of starch by producing an enzyme called amylase that breaks down starch into smaller sugar molecules.
Pregunta 2 Informe
Which of the following is not a benefit of recreation ?
Detalles de la respuesta
Benefits of recreation
- It helps to correct postural defect
- It provides opportunity for creativity and self expression
- It raises the health and fitness level of the participant
Pregunta 3 Informe
How many pairs of the spinal nerve are located in human?
Detalles de la respuesta
31 pairs of spinal nerves are located in the human body.
The spinal nerves are part of the peripheral nervous system, which is responsible for transmitting signals between the central nervous system (brain and spinal cord) and the rest of the body.
The nerves emerge from the spinal cord in the vertebral column and pass through spaces called intervertebral foramina to reach different parts of the body.
There are 31 pairs of spinal nerves in total:
- 8 pairs of cervical nerves (C1-C8): These emerge from the nekc area and supply signals to the neck, shoulders, arms, and hands.
- 12 pairs of thoracic nerves (T1-T12): These emerge from the upper back area and supply signals to the chest, abdomen, and back.
- 5 pairs of lumbar nerves (L1-L5): These emerge from the lower back area and supply signals to the lower back, buttocks, and legs.
- 5 pairs of sacral nerves (S1-S5): These emerge from the pelvis area and supply signals to the pelvis, genitals, and legs.
- 1 pair of coccygeal nerves: These emerge from the base of the spine and supply signals to the tailbone area.
Each pair of spinal nerves has a sensory component, which carries signals from the body to the spinal cord and a motor component, which carries signals from the spinal cord to the muscles and organs.
By having 31 pairs of spinal nerves, the human body is able to send and receive signals to and from every part of the body, allowing for movement, sensation, and control over bodily functions.
Pregunta 4 Informe
The type of exchange in a relay race, in which the receiver's hand is behind them at the waist height with the palm facing down is called ?
Detalles de la respuesta
The type of exchange in a relay race, in which the receiver's hand is behind them at the waist height with the palm facing down, is called the Upsweep.
During the upsweep exchange, the runner who is about to receive the baton holds their hand behind them, at waist height, with the palm facing downward. This position allows for a smooth and efficient transfer of the baton from the outgoing runner to the incoming runner.
The upsweep exchange is advantageous because it allows for a quick and secure handoff between the two runners. The palm facing downward helps ensure that the baton is securely placed in the receiving runner's hand, minimizing the risk of dropping or losing control of the baton.
This type of exchange is commonly used in relay races because of its reliability and efficiency. It allows for a seamless transition between runners and minimizes the potential for errors during the baton exchange, ultimately contributing to the overall success of the relay team.
Pregunta 5 Informe
Which of the following is not an institutional game in Nigeria ?
Detalles de la respuesta
The institutional games in Nigeria are organized competitive events between universities or institutions. Three out of the four options given are actually institutional games in Nigeria, namely NATCEGA, NUGA, and NIPOGA.
NATCEGA stands for National Theatre Command Entertainment Games. It is an annual event that brings together theater command troops from various branches of the Nigerian military for friendly competitions in various sporting activities. This helps to foster camaraderie and promote physical fitness among the military personnel.
NUGA stands for Nigerian Universities Games Association. It is an annual multi-sport event that brings together universities from all over Nigeria to compete against each other in various sporting disciplines. The aim of NUGA is to promote sports development and healthy competition among university students.
NIPOGA stands for Nigerian Polytechnic Games. It is a biennial sporting event that brings together polytechnics and similar institutions in Nigeria for friendly competitions in different sports. NIPOGA provides an avenue for students and staff of polytechnics to showcase their sporting talents and promote healthy competition.
That leaves us with the NBA as the option that is not an institutional game in Nigeria. The NBA, or Nigerian Bar Association, is a professional association of lawyers and legal practitioners in Nigeria. While the NBA organizes conferences, workshops, and other professional events, it is not specifically focused on organizing sporting competitions among institutions or universities. Thus, the NBA is not an institutional game in Nigeria.
Pregunta 6 Informe
Which of the following is not an equipment/facility used in badminton games?
Detalles de la respuesta
Paddles are not used in badminton games. Badminton is a racquet sport played using racquets to hit a shuttlecock across a net. The equipment used in badminton includes a racquet, shuttlecock, and strings for the racquet.
Pregunta 7 Informe
Which of the following is a field event ?
Detalles de la respuesta
A field event is a type of athletic competition that takes place in a designated area or field rather than on a track. It involves athletes competing in various events that require physical strength, skill, and technique.
Out of the options provided, javelin throw is the field event. In javelin throw, an athlete throws a long spear-like object called a javelin as far as possible within a marked area. The aim is to achieve the maximum distance with proper technique, accuracy, and strength.
On the other hand, hurdles race, 100m race, and relay race are all track events. In hurdles race, athletes run and jump over a series of hurdles placed at regular intervals on the track. The objective is to complete the race in the shortest possible time while clearing all the hurdles.
In a 100m race, athletes compete to run a distance of 100 meters in the fastest time possible, with the finish line being the determining factor.
A relay race involves a team of runners passing a baton from one runner to another, usually in a circular or linear track. The goal is to complete the race in the shortest time by efficiently transferring the baton between team members.
Therefore, among the options mentioned, only javelin throw can be categorized as a field event as it takes place in a designated area and requires throwing a javelin for distance.
Pregunta 8 Informe
Which of the following is not a skill and technique in boxing
Detalles de la respuesta
Kicking is not a skill and technique in boxing. Boxing is a combat sport that involves using punches and defensive techniques inside a ring. The objective is to score points by landing clean and powerful punches on the opponent while avoiding getting hit. The sport is strictly limited to the use of the hands only, which means that kicking is not allowed in boxing. Here is a breakdown of the other options: - **Dodging**: Dodging is a crucial skill in boxing. It involves moving the body and head to avoid incoming punches from the opponent. By dodging, a boxer can evade punches and minimize the chances of getting hit. - **Ducking**: Ducking is another defensive technique used in boxing. It involves bending the knees and lowering the body to avoid an opponent's punch, primarily aimed at the head. By ducking, a boxer can create space and avoid getting struck by an incoming punch. - **Jabbing**: Jabbing is a basic and essential technique in boxing. It is a quick, straight punch thrown with the front hand, usually the non-dominant hand. Jabs are used to set up combinations, keep the opponent at bay, and score points in boxing matches. In summary, while dodging, ducking, and jabbing are fundamental skills and techniques in boxing, kicking is not permitted in this sport. Boxing relies solely on punches and defensive maneuvers using the hands.
Pregunta 9 Informe
Which organ is not part of the alimentary canal?
Detalles de la respuesta
The organ that is not part of the alimentary canal is the skin.
The alimentary canal is a long tube-like structure in our body that is responsible for the process of digestion. It begins at the mouth and ends at the anus. The purpose of the alimentary canal is to break down the food we eat into smaller, absorbable molecules that our body can use for energy, growth, and repair.
The organs that make up the alimentary canal include the mouth, esophagus, stomach, small intestine (which consists of the duodenum, jejunum, and ileum), and large intestine (which consists of the colon and rectum). These organs work together to digest and absorb nutrients from the food we consume.
However, the skin is not part of the alimentary canal. The skin is the outer covering of our body and serves as a protective barrier against the external environment. It plays a crucial role in regulating body temperature, preventing water loss, and protecting our internal organs from injury and infections. While the skin is important for our overall health and well-being, it is not involved in the digestion process like the organs of the alimentary canal are.
In summary, the skin is not part of the alimentary canal because it is not involved in the process of digestion. The alimentary canal consists of organs such as the mouth, esophagus, stomach, small intestine, and large intestine, which work together to break down and absorb nutrients from the food we eat.
Pregunta 10 Informe
The type of hazardous pollution caused by automobile is ______
Detalles de la respuesta
The type of hazardous pollution caused by automobiles is carbon monoxide.
When we drive cars, they burn gasoline or diesel fuel to produce energy that moves the car. However, this burning process also produces harmful gases as byproducts. One of these gases is carbon monoxide (CO).
Carbon monoxide is a colorless, odorless gas that is very harmful to humans and the environment. It is produced when there is not enough oxygen during the burning process, which is common in the engines of cars.
When we inhale carbon monoxide, it binds to our red blood cells more easily than oxygen, reducing the amount of oxygen our body can carry. This can lead to serious health problems, especially for people with heart or lung conditions.
Additionally, carbon monoxide is a greenhouse gas that contributes to climate change. It traps heat in the atmosphere, leading to higher global temperatures and disrupting the natural balance of our planet.
In summary, the hazardous pollution caused by automobiles is carbon monoxide. It is harmful to both human health and the environment, making it important for us to find ways to reduce its emissions from vehicles.
Pregunta 11 Informe
Which of the following control breathing rate in humans?
Detalles de la respuesta
The medulla oblongata controls the breathing rate in humans. Medulla oblongata is a part of the brainstem that is responsible for many involuntary functions including breathing. It is located at the base of the brain, just above the spinal cord.
The medulla oblongata contains special cells called respiratory centers, specifically the dorsal respiratory group (DRG) and the ventral respiratory group (VRG). These centers detect the levels of carbon dioxide (CO2) and oxygen (O2) in the blood.
When the carbon dioxide levels in the blood increase, the DRG signals the muscles of the diaphragm and the ribcage to contract. This causes inhalation, allowing fresh oxygen to enter the lungs and carbon dioxide to be exhaled. On the other hand, when the carbon dioxide levels decrease, the DRG signals the muscles to relax, resulting in exhalation.
The medulla oblongata also communicates with the hypothalamus and the thalamus, but their roles are not directly related to controlling the breathing rate. The hypothalamus regulates body temperature, hunger, thirst, and other functions, while the thalamus is involved in relaying sensory information to the cerebral cortex.
The cerebellum, although important for coordination and balance, does not control the breathing rate.
In summary, the medulla oblongata is responsible for controlling the breathing rate in humans by detecting the levels of carbon dioxide in the blood and signaling the muscles involved in breathing to adjust accordingly.
Pregunta 12 Informe
In which form of nationalism has its goals achieved through revolution.
Detalles de la respuesta
Revolutionary nationalism is the form of nationalism where its goals are achieved through revolution.
In this type of nationalism, people are united by a strong desire for change and liberation from a certain political or social system. The movement is driven by the belief that the current system is oppressive or unfair, and that a revolution is necessary to bring about the desired changes.
During a revolution, there may be protests, demonstrations, and even armed conflicts against the existing government or ruling power. The aim is to overthrow the current system and replace it with a new one that aligns with the aspirations and ideals of the nationalist movement.
One of the most notable examples of revolutionary nationalism is the American Revolution. In the 18th century, American colonists felt that they were being unfairly treated by the British government and demanded independence. They organized protests, boycotts, and eventually took up arms against the British forces. Through the Revolutionary War, the American colonists were able to achieve their goal of establishing the United States as an independent nation.
Revolutionary nationalism often involves a strong sense of patriotism and a belief in the power of the people to shape their own destiny. It aims to create a new political order that reflects the values and aspirations of the nation.
Key points: - Revolutionary nationalism achieves its goals through revolution. - It involves protests, demonstrations, and even armed conflict against the existing government or ruling power. - The aim is to overthrow the current system and replace it with a new one that aligns with the aspirations and ideals of the nationalist movement. - The American Revolution is a notable example of revolutionary nationalism. - It involves a strong sense of patriotism and belief in the power of the people to shape their own destiny.
Pregunta 13 Informe
Which of the following games is a traditional game in Nigeria before colonization ?
Detalles de la respuesta
The traditional game in Nigeria before colonization is the ayo game. Ayo game is a popular Mancala game played by many tribes across Nigeria. It is a board game where players take turns picking up seeds from small pits and sowing them in other pits, trying to capture as many seeds as possible. In the ayo game, each player uses a wooden board with several small pits dug into it. These pits are filled with seeds or beads. The goal of the game is to capture as many seeds as possible from your opponent's side. Players take turns and strategically sow the seeds from one pit to another in a clockwise direction. They can capture seeds when the last seed sown ends up in an empty pit on their side. Ayo game is not only a fun pastime but also a cultural game that has been played for generations in Nigeria. It is a game that helps enhance strategic thinking, concentration, and mathematical skills. Overall, ayo game is a traditional and beloved game in Nigeria that has stood the test of time and continues to be enjoyed by people of all ages.
Pregunta 14 Informe
Which of the following is a track event ?
Detalles de la respuesta
A track event is a type of competition that involves running, jumping, or throwing on an oval-shaped track. Out of the given options, the track event is the 100m race.
The triple jump and high jump are both field events, rather than track events. The triple jump is a jumping event that involves three consecutive phases: the hop, the step, and the jump. Athletes aim to jump as far as possible in one single attempt.
Similarly, the high jump is also a jumping event. Athletes try to leap over a horizontal bar set at a specific height without knocking it down. The higher the bar, the greater the difficulty.
The pole vault, on the other hand, involves using a long, flexible pole to propel oneself over a horizontal bar. Athletes sprint down a runway, plant the pole in a specially designed box, and use it to propel themselves over the bar.
In summary, the 100m race is the track event among the given options. It is a sprinting event where athletes compete to be the fastest over a distance of 100 meters.
Pregunta 15 Informe
After digestion protein is converted into
Detalles de la respuesta
After digestion, proteins are converted into amino acids.
During the process of digestion, proteins are broken down into smaller molecules called peptides through the action of enzymes in the stomach and small intestine. These peptides are then further broken down by other enzymes into individual amino acids.
Amino acids are the building blocks of proteins and are crucial for various biological processes in the body. They are essential for the growth and repair of tissues, the synthesis of enzymes and hormones, and the functioning of the immune system.
Once proteins have been converted into amino acids, they can be absorbed into the bloodstream and transported to various cells in the body, where they are used to build new proteins or used as a source of energy.
Therefore, the correct answer is amino acid.
Pregunta 16 Informe
Which of the following is an indoor game ?
Detalles de la respuesta
One of the options in the list that is an indoor game is chess.
Chess is a strategic board game that is played between two players. It is typically played indoors on a square board consisting of 64 squares of alternating colors. The objective of the game is to checkmate the opponent's king, which means putting the opponent's king in a position where it is under immediate attack and cannot escape capture.
Chess is considered an indoor game because it is typically played in a controlled environment, such as indoors at home, in schools, or in chess clubs. The game requires a calm and quiet setting, as players need to concentrate, think ahead, and plan their moves strategically.
Unlike outdoor games such as sprinting, soccer, and swimming, which require physical activity and are played in open spaces, chess is a mental and intellectual game that can be enjoyed indoors. It can be played at any time, independent of weather conditions. Chess also promotes critical thinking, problem-solving, and decision-making skills, making it a popular choice for intellectual stimulation and competition.
In summary, chess is an indoor game because it is played on a board, requires mental effort, and is typically enjoyed in a controlled environment, providing an opportunity for strategic thinking and intellectual engagement.
Pregunta 17 Informe
If the assistant referee in a soccer match raises the flag, at a 45 degree angle and points it horizontally along the touch line, what does that indicate?
Detalles de la respuesta
If the assistant referee in a soccer match raises the flag at a 45 degree angle and points it horizontally along the touch line, it indicates a throw-in.
A throw-in happens when the ball goes out of bounds over the side of the field, also known as the touchline. When this happens, the team that did not touch the ball last is awarded a throw-in. The assistant referee uses the flag to signal to the referee and the players that a throw-in should be taken.
The 45 degree angle and horizontal pointing of the flag are important signals that help the referee and players understand the decision. It is a clear and standard way to indicate a throw-in.
Pregunta 18 Informe
Food serves the following purpose except ____
Detalles de la respuesta
The purpose of food is to provide energy, enhance growth, and eliminate hunger. However, increasing hunger is not a purpose of food. Rather, food is consumed to satisfy hunger and provide nourishment for our bodies.
Pregunta 19 Informe
Track events are done on a ___
Detalles de la respuesta
Track events are done on a running track.
A running track is a specially designed surface that is used for various athletic events, including track and field competitions. It is typically made of a synthetic material, such as rubber or synthetic fibers, to provide a springy and comfortable surface for athletes to run on.
The track is marked with lanes for each runner, usually six to eight lanes, to ensure fairness in races. These lanes are usually marked with different colors to make it easier for spectators and athletes to identify them.
The surface of the track is specifically designed to offer good traction and reduce the risk of slipping or falling during the race. It also helps to absorb the impact of each step, minimizing the strain on the athletes' joints and muscles.
In addition to running events, a running track is also used for other track and field events, such as long jump, triple jump, high jump, and pole vault. The track provides a clear and standardized area for these events to take place, with designated markings and zones for each discipline.
Overall, a running track provides a controlled and professional setting for track events, ensuring fairness, safety, and optimal performance for athletes.
Pregunta 20 Informe
The agency that fights human trafficking in nigeria is __
Detalles de la respuesta
The agency that fights human trafficking in Nigeria is NAPTIP, which stands for National Agency for the Prohibition of Trafficking in Persons. NAPTIP was established in 2003 as a response to the increasing cases of trafficking in persons both within and outside Nigeria.
NAPTIP is primarily responsible for investigating, prosecuting, and preventing human trafficking activities in Nigeria. The agency works towards the elimination of all forms of human trafficking, including child labor, sexual exploitation, and forced labor.
NAPTIP's mandate covers a wide range of activities aimed at combating human trafficking, including rescue and rehabilitation of victims, public awareness campaigns, policy advocacy, and collaboration with national and international partners.
The agency focuses on four key pillars in the fight against human trafficking: 1. Prevention: NAPTIP conducts sensitization campaigns and educational programs to raise awareness about the dangers and consequences of human trafficking. They work with communities, schools, and vulnerable groups to prevent individuals from being trafficked. 2. Prosecution: NAPTIP works closely with law enforcement agencies to investigate and prosecute perpetrators of human trafficking. They gather evidence, identify and apprehend traffickers, and ensure they face legal consequences for their actions. 3. Protection: NAPTIP provides shelter, medical care, counseling, and other support services to victims of human trafficking. They work towards the physical, psychological, and social rehabilitation and empowerment of survivors, ensuring they are reintegrated into society. 4. Partnerships: NAPTIP collaborates with national and international organizations, government agencies, civil society groups, and law enforcement agencies to strengthen the fight against human trafficking. This includes sharing information, resources, and expertise to improve coordination and effectiveness.
Through its efforts, NAPTIP is making significant progress in combating human trafficking in Nigeria. However, the fight against human trafficking is an ongoing battle, and NAPTIP continues to work tirelessly to ensure the protection and well-being of individuals vulnerable to exploitation and trafficking.
Pregunta 21 Informe
____ is the study of the structure and relationship between body parts
Detalles de la respuesta
Anatomy is the study of the structure and relationship between body parts. It focuses on understanding how different parts of the body are organized and connected to each other. This includes studying the shapes, sizes, and locations of organs, tissues, and cells. By examining these details, anatomists can gain a better understanding of how the body functions as a whole. In simple terms, anatomy helps us to understand the physical structure of the body and how its various parts work together.
Pregunta 22 Informe
In the bucal cavity of human beings, digestion of which of the following get started
Detalles de la respuesta
In the bucal cavity of human beings, digestion of carbohydrates gets started.
The bucal cavity, also known as the mouth, plays an important role in the process of digestion. When we eat food, it enters the mouth where it gets broken down into smaller pieces by our teeth through the process of chewing.
Carbohydrates are one of the main types of nutrients found in our food. They are present in foods like bread, rice, potatoes, and fruits.
In the mouth, the salivary glands produce saliva, which contains an enzyme called amylase. When we chew carbohydrates, the amylase in saliva helps to break them down into smaller molecules called sugars. This process is known as digestion.
So, in conclusion, the digestion of carbohydrates gets started in the bucal cavity of human beings.
Pregunta 23 Informe
The type of baton exchange in which the receiver of the baton will not see as the baton is being placed in his/her hand is called?
Detalles de la respuesta
Non-visual baton exchange is the type of baton exchange in which the receiver of the baton will not see as the baton is being placed in his/her hand.
Pregunta 24 Informe
Hockey pitch, nets and flag posts are facilities used in ?
Detalles de la respuesta
A fracture is a break, usually in a bone. If the broken bone punctures the skin, it is called an open or compound fracture.
Pregunta 25 Informe
Who is regarded as the father of physical eduction in Nigeria ?
Detalles de la respuesta
Harding James Ekperigin is widely recognized as the father of physical education in Nigeria. He made significant contributions to the development and promotion of physical education in the country.
Pregunta 26 Informe
1. The human ankle has _____ bones
Detalles de la respuesta
Ankle is known as tarsus in humans. It contains seven bones called tarsal's. It is arranged in three rows having gliding joints
Pregunta 27 Informe
The smallest unit of social organization in our society is
Detalles de la respuesta
The smallest unit of social organization in our society is the family.
The family is a group of people who are related by blood, marriage, or adoption and live together in a household. Families provide individuals with emotional support, shelter, food, and other basic needs. They are the building blocks of society, as they are responsible for nurturing and socializing individuals from a young age.
Families are usually led by parents or guardians who provide guidance and instill values in their children. They teach them essential life skills and help them develop a sense of identity. Additionally, families often pass down cultural traditions, beliefs, and customs from one generation to another.
While peer groups, clans, and communities are also important social units, they are typically larger than families and may include multiple families or individuals who are not directly related. Peer groups consist of individuals who are of similar age or have common interests, while clans are extended families with a common ancestry, and communities are groups of individuals who live in the same geographical area.
In summary, while peer groups, clans, and communities play significant roles in our society, the smallest and most fundamental unit of social organization is the family. Families provide the foundation for a person's social development, upbringing, and support.
Pregunta 28 Informe
The human heart is located in the
Detalles de la respuesta
The human heart is located in the thoracic cavity.
The thoracic cavity is the space found in the chest region between the neck and the diaphragm. It is protected by the rib cage and contains vital organs such as the heart and lungs.
The heart, which is a muscular organ responsible for pumping blood throughout the body, is specifically positioned in the middle of the thoracic cavity, slightly tilted to the left. It is surrounded and protected by the lungs.
The positioning of the heart in the thoracic cavity allows it to be close to major blood vessels and organs, facilitating its primary function of pumping oxygenated blood to the body and deoxygenated blood back to the lungs for oxygenation.
Pregunta 29 Informe
Which of the following is the vestigial bony part of the human skeleton?
Detalles de la respuesta
The vestigial bony part of the human skeleton is the Coccyx.
The coccyx, also known as the tailbone, is a small triangular structure located at the bottom of the vertebral column. It consists of three to five fused vertebrae.
In the past, the coccyx had a more functional role in our ancestors who had tails. However, over millions of years of evolution, the tail became unnecessary for human survival and gradually disappeared.
Today, the coccyx serves as a vestigial structure, meaning it is a remnant of our evolutionary past that no longer has a significant function. It is a reduced and modified version of what used to be a functional tail.
Function: While the coccyx no longer has a significant role in humans, it does serve as an attachment point for several muscles, tendons, and ligaments. These structures help support our body weight when we sit or stand and also play a role in stabilizing our pelvis.
Development: During embryonic development, the coccyx starts as separate vertebrae. However, as the fetus develops, these vertebrae gradually fuse together to form the coccyx. This fusion is typically complete by early adulthood.
Importance: Although the coccyx is a vestige of our evolutionary past with no significant function in modern humans, it can still be susceptible to injury or discomfort. Falls, trauma during childbirth, or prolonged sitting on hard surfaces can lead to coccyx pain or fracture.
To summarize, the coccyx is the vestigial bony part of the human skeleton. It is a remnant of our evolutionary history when our ancestors had tails. Although it no longer has a significant function, it serves as an attachment point for muscles and plays a role in supporting our pelvis.
Pregunta 30 Informe
How many trials are allowed in shot put?
Detalles de la respuesta
Only 3 trials are allowed in shot put.
Pregunta 31 Informe
The assistant referees in a soccer game are also called ?
Detalles de la respuesta
The assistant referees in a soccer game are also called linesmen.
These linesmen play a crucial role in assisting the main referee in making important decisions during the game. They are positioned along the sidelines of the field and their main responsibilities include:
1. Offside Decision: One key responsibility of the linesmen is to help the referee determine if a player is in an offside position. Offside is a rule in soccer that prevents players from being in a forward position and actively involved in play when the ball is played to them, unless there are enough defenders between them and the goal line. The linesmen use their position and judgement to raise their flag and notify the referee if they believe an offside has occurred.
2. Out of Play Decision: The linesmen also assist the referee in determining if the ball has gone out of play. This includes situations such as when the ball has fully crossed the sideline or the goal line. If the linesman sees the ball go out of play, they raise their flag to signal that the ball is no longer in play.
3. Fouls and Decisions: The linesmen also help the referee identify fouls and infringements that may have occurred during the match. They can communicate with the referee through subtle gestures or flag signals if they notice an infringement that the referee may have missed. This helps the referee make fair and accurate decisions.
4. Substitutions: The linesmen also assist in managing substitutions during the game. They keep track of the number of substitutions made by each team and inform the referee when a substitution is requested.
In summary, the linesmen are an essential part of the officiating team in a soccer match. They assist the referee in making important decisions regarding offside, out of play situations, fouls, and substitutions.
Pregunta 32 Informe
Which of the following cannot be found in a first aid box ?
Detalles de la respuesta
A first aid box is typically a container that stores medical supplies to provide immediate care for injuries and illnesses. It is important to have the necessary items in a first aid box to effectively and safely administer first aid.
Let's go through each option to determine which one cannot be found in a first aid box:
- Gloves: Gloves are an essential item found in a first aid box. They are used to protect both the person giving first aid and the person receiving it. Gloves create a barrier that helps prevent the spread of germs and reduces the risk of infection.
- Hand sanitizer: Hand sanitizer is also commonly found in a first aid box. It is used to clean hands when soap and water are not available. It helps kill germ and reduces the chance of spreading infection.
- Bandages: Bandages are another crucial item in a first aid box. They are used for covering wounds, controlling bleeding, and providing support to injured body parts. There are various types of bandages, such as adhesive bandages, elastic bandages, and sterile dressings.
- Soda drinks: Soda drinks, such as carbonated beverages, cannot be found in a first aid box. While it may be tempting to include cold drinks for rehydration, first aid boxes are designed specifically for medical emergencies and do not typically contain food or drinks.
In conclusion, the item that cannot be found in a first aid box is soda drinks. It is important to prioritize medical supplies that are essential in providing immediate care for injuries and illnesses.
Pregunta 33 Informe
Which of the following is not a water-borne disease?
Detalles de la respuesta
Headache is not a water-borne disease.
Water-borne diseases are illnesses caused by microorganisms that are transmitted through contaminated water. These pathogens can enter the body when we consume or come into contact with contaminated water.
Hepatitis is a water-borne disease that affects the liver. It is caused by various viral infections, such as hepatitis A, B, and C.
Cholera is another water-borne disease caused by the bacterium Vibrio cholerae. It leads to severe diarrhea and dehydration if left untreated.
Typhoid is also a water-borne disease caused by the bacterium Salmonella typhi. It causes high fever, abdominal pain, and weakness.
However, headache is not caused by contaminated water. It can be induced by various factors like stress, tension, dehydration, eye strain, or medical conditions. While dehydration can contribute to a headache, it is not the sole cause. Headaches can occur regardless of the water quality and do not require the presence of waterborne pathogens to develop.
Therefore, out of the given options, headache does not belong to the category of water-borne diseases.
Pregunta 34 Informe
The type of family in which one spouse(man or woman) has several other spouses is called?
Detalles de la respuesta
The correct answer is a **polygamous family**. In a polygamous family, one spouse (whether it be a man or a woman) has multiple spouses. This means that the individual has entered into multiple legal marriages simultaneously. Polygamy can take different forms. One common form is **polygyny**, where a man has multiple wives. In this case, the man is the only one who is allowed to have multiple spouses. Another form is **polyandry**, where a woman has multiple husbands. However, polyandry is less common compared to polygyny. In a polygamous family, the spouses may live together or in separate households. It is important to note that the type of family structure can vary across different cultures and religions around the world. While polygamy is practiced in some societies, it is illegal in many countries.
Pregunta 35 Informe
Excess presence of which of the following causes tooth decay in children?
Detalles de la respuesta
Tooth decay in children is primarily caused by the excess presence of fluoride. Fluoride is a naturally occurring mineral that can be found in various sources such as water, food, and dental products. It is commonly added to toothpaste and water supplies to help prevent tooth decay.
However, when there is an excessive amount of fluoride, it can have negative effects on dental health. This is particularly true for children whose teeth are still developing.
Excess fluoride can cause a condition called dental fluorosis, which affects the outer layer of the teeth called the enamel. Dental fluorosis leads to the formation of white or brownish stains, and in severe cases, it can cause pitting or mottling of the teeth.
It's important to note that fluoride in optimal amounts is beneficial for dental health, as it helps to strengthen enamel and prevent tooth decay. The key is to ensure that children are exposed to fluoride in appropriate concentrations.
In summary, the excess presence of fluoride can cause tooth decay in children by leading to dental fluorosis, resulting in discoloration and damage to the tooth enamel.
Pregunta 36 Informe
What do you call a person who performs gymnastics ?
Detalles de la respuesta
A person who performs gymnastics is called a gymnast.
Gymnastics is a physical activity that combines strength, flexibility, balance, and control. Gymnasts are individuals who participate in this sport and perform various movements and routines on different apparatus such as the balance beam, uneven bars, vault, and floor exercise. They go through extensive training to learn and perfect these movements which include flips, twists, jumps, and handstands.
Gymnasts are skilled athletes who showcase their abilities and talents through their performances. They compete in gymnastics competitions or sometimes perform for entertainment purposes. They demonstrate their agility, coordination, and strength while executing complex and acrobatic movements.
So, the correct term to describe a person who performs gymnastics is a gymnast.
Pregunta 37 Informe
The swimming pattern in which both arms are extended and pulledback together in a circular motion while both legs are thrust out and pulled back together is called ?
Detalles de la respuesta
Breaststroke: This is a swimming
Pregunta 38 Informe
The following are key locomotor skills except
Detalles de la respuesta
The key locomotor skills refer to the movement skills that involve the coordination and control of the body. They are important for physical development and daily functioning. Among the listed options, singing is not a locomotor skill.
Crawling is the movement skill where an individual moves on their hands and knees or hands and feet while their abdomen is off the ground.
Climbing is the locomotor skill where an individual ascends or descends an object or structure using their hands and feet.
Walking is a well-known locomotor skill that involves moving forward in a rhythmic manner by alternating steps between the feet while maintaining balance.
On the other hand, singing is a form of vocalization using the voice to produce musical tones and vocal sounds, which is not directly related to body movement and coordination.
Therefore, among the given options, singing is the key locomotor skill that is not included in the list.
Pregunta 39 Informe
The following are examples of protein foods except
Detalles de la respuesta
Proteins are essential nutrients needed for the growth, repair, and maintenance of our body tissues. They are composed of smaller units called amino acids.
Out of the given options, rice is an example of a food that is not primarily a protein source. While rice does contain a small amount of protein, it is relatively low compared to the other options.
On the other hand, fish, egg, and beans are all excellent sources of protein. Fish, especially fatty fish like salmon, is rich in high-quality protein and also provides healthy omega-3 fatty acids. Eggs are considered a complete protein as they contain all the essential amino acids our body needs. Beans, including options like lentils, chickpeas, and black beans, are also great sources of protein, especially for those following a vegetarian or vegan diet.
To summarize, while fish, egg, and beans are examples of protein-rich foods, rice is not primarily known as a significant source of protein.
Pregunta 40 Informe
Herbert Macaulay is considered as the founder of Nigerian Nationalism. He was a Nigerian nationalist, politician, engineer, architect, journalist, and musician and is considered by many Nigerians as the founder of Nigerian nationalism.
Detalles de la respuesta
Herbert Macaulay is considered the founder of Nigerian Nationalism because of his significant contributions to the nationalist movement in Nigeria. He played a key role in advocating for Nigeria's independence from British colonial rule and in mobilizing Nigerians to fight for their rights and freedom.
Macaulay was a multi-talented individual who excelled in various fields. He was a nationalist, politician, engineer, architect, journalist, and even a musician. Through his diverse skills and talents, he was able to engage with people from different backgrounds and effectively communicate his ideas and goals.
As a politician, Macaulay used his platform to advocate for constitutional reforms and the inclusion of Nigerians in the governance of their own country. He founded the Nigerian National Democratic Party (NNDP) in 1923, which became a prominent political party advocating for Nigerian interests.
Macaulay's journalistic skills were instrumental in spreading awareness and mobilizing Nigerians for the nationalist cause. He founded and edited the newspaper Lagos Daily News, which became a powerful tool for disseminating information and shaping public opinion.
Furthermore, Macaulay's engineering and architectural expertise enabled him to contribute to the development and modernization of Lagos. He played a key role in urban planning and infrastructure projects, which helped improve the quality of life for Nigerians.
Macaulay's unwavering commitment to Nigerian nationalism and his tireless efforts in fighting for independence laid the foundation for future nationalist leaders, such as Tafawa Balewa, Aguyi Ironsi, and Ahmadu Bello. While these individuals also made significant contributions to Nigerian nationalism, it was Macaulay who paved the way and inspired others to join the cause.
In conclusion, Herbert Macaulay is widely regarded as the founder of Nigerian nationalism due to his integral role in advocating for Nigeria's independence, his contributions to various fields, and his ability to mobilize and unite Nigerians in the nationalist movement.
¿Te gustaría proceder con esta acción?