JAMB UTME - Physical Education - 2023

Fruit and vegetables are important because

Detalles de la respuesta

Fruits and vegetables are important for several reasons:

1. They give you energy: Fruits and vegetables are packed with carbohydrates, which are the body's main source of energy. They provide us with the fuel we need to go about our daily activities.

2. They are easily available: Fruits and vegetables are widely accessible in grocery stores, farmers' markets, and even in our own backyards. They are readily available, making it convenient for us to incorporate them into our diets.

3. They are colorful: Fruits and vegetables come in a wide array of vibrant colors such as red, orange, green, and purple. These colors are not just visually appealing, but they also indicate the presence of different nutrients and antioxidants that are essential for our health.

4. They provide you with a wide variety of vitamins, minerals, and nutrients: Fruits and vegetables are rich in vitamins, minerals, and nutrients that our bodies need to function properly. They are excellent sources of vitamin C, vitamin A, potassium, fiber, and folate, among others.

In conclusion, fruits and vegetables give us energy, are easily available, add color to our meals, and provide us with a wide range of essential vitamins, minerals, and nutrients. It is important to include them in our daily diet for overall health and wellbeing.

Which of the following is an example of non-contact games

Detalles de la respuesta

Swimming is an example of a non-contact game. In swimming, athletes participate in a race by propelling themselves through the water using different swimming strokes. Unlike boxing, wrestling, and taekwondo, swimming does not involve physical contact between the athletes. Instead, swimmers focus on their speed, technique, and endurance to outperform their competitors and reach the finish line faster. It is essential to note that while swimming is a non-contact game, athletes still adhere to certain rules and regulations to ensure fair competition and safety in the pool.

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.

Which of the following factors does not affect posture ?

Detalles de la respuesta

Posture is affected by factors such as age, habit, and heredity. Complexion, which refers to the natural color, texture, and appearance of the skin, does not affect posture.

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

Which of the following helps human sperm with locomotion?

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The correct answer that helps human sperm with locomotion is the flagellum. The flagellum is a long, whip-like structure that is present in the sperm. It is responsible for the movement of the sperm through various fluids in order to reach and fertilize the egg.
The flagellum is composed of microtubules, which are tiny structures that give it its shape and strength. These microtubules are arranged in a pattern that allows the flagellum to move in a whip-like motion. This motion propels the sperm forward, allowing it to swim through the female reproductive tract towards the egg.
The movement of the flagellum is powered by a complex biochemical process. Inside the flagellum, there are structures called dynein arms. These dynein arms use energy from ATP molecules to move and bend the microtubules, causing the flagellum to move in a coordinated manner.
The flagellum is essential for the sperm's ability to swim and reach the egg for fertilization. Without a functional flagellum, the sperm would not be able to move effectively and would have a much lower chance of successfully fertilizing an egg.
In summary, the flagellum is the structure in human sperm that helps with locomotion. Its whip-like motion, powered by dynein arms and ATP, allows the sperm to swim towards the egg for fertilization.

A deuce in a table tennis game means

Detalles de la respuesta

In a table tennis game, a deuce means that both players have reached a point of tie. It happens when the score reaches 10-10. At this point, the game becomes a deuce, and players continue playing until one player gets a lead of 2 points. So, a deuce is not a loss, a win, or a foul. It simply indicates a tie in the game where players need to score 2 consecutive points to win the game.

The type of family in which one spouse(man or woman) has several other spouses is called?

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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.

A sport where participants should have no means of contact is called ?

Detalles de la respuesta

A sport where participants should have no means of contact is called non-contact games. In these games, players are not allowed to physically touch or tackle each other during gameplay. The objective is to avoid any physical contact with opponents, ensuring the safety and well-being of all players involved. The focus is on skill, strategy, and coordination rather than physical contact. Examples of non-contact games include tennis, badminton, swimming, and archery. These sports encourage fair competition and sportsmanship without risking injuries that can occur in contact sports.

Who is regarded as the father of physical eduction in Nigeria ?

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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.

How many trials are allowed in shot put?

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Only 3 trials are allowed in shot put.

Which of the following part of the human body is responsible for movement ?

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Muscles are responsible for movement in the human body. They play a vital role in facilitating various types of movements such as running, walking, and even simple actions like moving an arm or winking an eye. Muscles are special tissues that can contract and relax, enabling them to generate force and movement.
When our brain sends a signal to move a certain part of our body, the muscles associated with that movement receive the message and contract. As the muscles contract, they pull on the bones connected to them through tendons. This pulling action enables the bones to move, resulting in the desired movement.
Muscles work in opposing pairs, known as antagonistic pairs. This means that when one muscle in the pair contracts, the other relaxes to allow movement. For example, when we bend our arm, the biceps muscle contracts, while the triceps muscle relaxes. Conversely, when we straighten our arm, the triceps muscle contracts, and the biceps muscle relaxes.
In summary, muscles are the main component responsible for movement in the human body. They are capable of contracting and relaxing, allowing them to generate force and facilitate various types of movements.

What year was the first modern olympic game held ?

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The first modern Olympic Games were held in 1896. These games marked the revival of the ancient Greek tradition of hosting athletic competitions. The idea behind the modern Olympics was to promote peace and goodwill among nations through sports.
The Olympic Games were first organized by a French nobleman named Pierre de Coubertin. He believed that sports could bring people from different countries together and promote understanding and friendship.
The city of Athens, Greece was chosen as the host for the inaugural modern Olympic Games. This was a significant choice because it was in Greece where the ancient Olympics were held for centuries.
The first modern Olympics brought together athletes from 14 different countries to compete in various sporting events. The games included events such as athletics, cycling, swimming, and gymnastics.
The opening ceremony of the 1896 Olympics was a simple affair compared to the elaborate ceremonies we see today. It took place in the Panathenaic Stadium, a venue with historical significance dating back to ancient times.
The Olympic Games have been held every four years since 1896, with a few interruptions due to world wars. They have grown in scale and popularity over the years, becoming one of the most prestigious sporting events in the world.
In conclusion, the first modern Olympic Games were held in 1896 in Athens, Greece. These games marked the revival of the ancient Greek tradition and aimed to promote peace and goodwill among nations through sports.

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.

Which of the following type of cartilage is present at the joints of long bones in humans?

Detalles de la respuesta

Hyaline cartilage is the type of cartilage present at the joints of long bones in humans. It provides a smooth surface for joint movement, absorbs shock, and reduces friction. Fibrous and elastic cartilages are found in other parts of the body, while calcified cartilage is a stage in endochondral ossification, not a type of cartilage found in joints

Which of the following is an example of sprint race ?

Detalles de la respuesta

100m is an example of a sprint race. Sprint races are short distance races in athletics and running. They involve running as fast as possible over a short distance. The other options like marathon and 1,500m are long distance races, and 400m is considered a middle distance race.

The capacity to change direction effectively and quickly while maintaining body posture is called ?

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The capacity to change direction effectively and quickly while maintaining body posture is called agility. Agility is the ability to move and change direction with ease, speed, and precision. It involves coordination, balance, and quick reflexes.
Agility is not just about being fast, but also being able to control your body movements and maintain balance while moving in different directions. It requires flexibility, strength, and an awareness of your body positioning.
Having good agility is important in many sports and physical activities, such as basketball, soccer, tennis, and martial arts. It allows athletes to quickly change direction, dodge opponents, and react to unexpected situations.
By training and improving agility, individuals can enhance their overall performance in sports, reduce the risk of injury, and improve body control. Agility drills, exercises, and practice can help improve reaction time, coordination, and body awareness.
In summary, agility is the ability to change direction quickly, maintain body posture, and move with precision. It is an essential skill for athletes and can be developed through training and practice.

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.

Which of the following is not a component of physical fitness.

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Physical fitness is the ability of the body to carry out daily tasks and physical activities without undue fatigue. It is comprised of various components that contribute to overall health and well-being. Out of the options provided, fat is not a component of physical fitness.
Muscular endurance is one of the components of physical fitness. It refers to the ability of muscles to exert force repeatedly over a period of time. This is important for activities that require sustained muscle contractions, such as running long distances or performing multiple repetitions of an exercise.
Flexibility is another component of physical fitness. It relates to the range of motion in joints and muscles. Having good flexibility allows for better performance in activities that require stretching or bending, like yoga or gymnastics.
Cardiovascular endurance is also a component of physical fitness. It refers to the ability of the heart, lungs, and blood vessels to deliver oxygen and nutrients to the muscles during prolonged physical activity. Good cardiovascular endurance is important for activities that require continuous movement, such as cycling or swimming.
Fat, on the other hand, is not a component of physical fitness. It is a type of body tissue that stores energy and insulation. While body fat percentage can be a consideration in overall health, it is not directly related to physical fitness components. However, having excessive body fat can affect an individual's overall fitness level and may hinder their ability to perform physical activities effectively.
In conclusion, fat is not a component of physical fitness. The components of physical fitness include muscular endurance, flexibility, and cardiovascular endurance.

One of these is a component of school health programme.

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A component of a school health program is **health services**. Health services are an essential part of a school health program as they involve medical professionals and resources that cater to the healthcare needs of students. These services can include regular health check-ups, immunizations, first aid, and treatment for minor illnesses and injuries. Health services also provide support for students with chronic conditions such as asthma or diabetes. The presence of health services in schools ensures that students have access to immediate medical care and support, promoting their overall well-being and enabling them to focus on their studies. These services can be provided by school nurses or in collaboration with local healthcare providers. It is important to note that while external services and curable services may contribute to the well-being of students, they are not specific components of a school health program. External services may refer to community organizations or agencies that provide support to schools but are not directly part of the program. Curable services may not be a relevant term in the context of a school health program, as it is unclear what specific services it entails. In summary, health services are an integral component of a school health program, ensuring the physical well-being of students by providing access to medical care, support, and resources.

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.

Which of the following is not a skill in Judo ?

Detalles de la respuesta

In Judo, one of the most important things to understand is that it is primarily a **grappling martial art**. While there are various skills involved, we need to identify the skill that does not belong to Judo. Out of the given options, **kicking** is the skill that is not a part of Judo. In fact, Judo specifically focuses on throwing and groundwork techniques rather than striking or kicking. Let's briefly discuss the other skills mentioned in the options: - **Gripping**: This skill is crucial in Judo as it involves controlling and manipulating your opponent's body by gripping their uniform (gi). - **Stance**: A correct and balanced stance is essential in Judo. It provides stability, power, and control during throwing techniques. - **Falling**: Falling or **ukemi** is an integral part of Judo. Proper falling techniques are taught to Judo practitioners to ensure their safety during training and competition. Therefore, it is clear that **kicking** is not a skill in Judo, whereas gripping, stance, and falling are all fundamental aspects of this martial art.

The smallest unit of social organization in our society is

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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.

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.

The condition of the body physically, mentally and otherwise not only the absence of disease or an infirmity is

Detalles de la respuesta

Health is a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity.

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.

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.

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

Which of the following control breathing rate in humans?

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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.

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.

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.

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.

Which of the following is the international governing body responsible for soccer ?

Detalles de la respuesta

The international governing body responsible for soccer is FIFA. FIFA stands for the Fédération Internationale de Football Association. It is the organization that governs and regulates the sport of soccer on a global scale. FIFA is responsible for organizing international competitions such as the FIFA World Cup, which is held every four years and is considered the most prestigious tournament in soccer.
FIFA is in charge of creating and enforcing the rules and regulations of the game. They ensure fair play and provide guidance to national soccer associations and clubs. FIFA also works to develop and promote soccer at all levels, from grassroots to professional.
One of FIFA's important roles is to oversee the national soccer associations and ensure that they comply with the rules and principles of the game. They also promote the values of soccer, such as inclusivity, diversity, and respect.
In summary, FIFA is the international governing body for soccer, responsible for organizing competitions, creating rules, developing the sport, and maintaining its integrity globally.

Which of the following is not an official in a gymnastic game ?

Detalles de la respuesta

In a gymnastic game, the officials play different roles to ensure fair and organized competition. Among the options provided, **lines men** is not an official in a gymnastic game. Here's an explanation of the roles of the other officials: - **Referee**: The referee is responsible for ensuring that the gymnastic game is conducted according to the rules and regulations. They oversee the overall conduct of the competition, including starting and ending the routines or exercises, making final decisions on rule violations, and handling any disputes or protests. - **Judges**: Judges play a crucial role in gymnastics competitions. Their primary task is to evaluate and score the performances of the gymnasts based on predefined criteria. They assess factors such as technique, difficulty, execution, artistry, and overall performance. The judges assign scores to each routine or exercise, which are used to determine the winners. - **Time keepers**: Time keepers, also known as time officials, are responsible for accurately measuring and recording the duration of each gymnast's routine or exercise. They ensure that the athletes adhere to the time limits specified for their respective routines. The timekeepers use timing devices, such as stopwatches or electronic timers, to track the durations. While all the other options mentioned—referee, judges, and time keepers—are important officials in gymnastics, **lines men** are not typically involved in gymnastic competitions. The term "lines men" is more commonly associated with sports such as soccer or rugby, where their role is to assist the referee by indicating when the ball has crossed the boundary lines of the field. In gymnastics, the focus is mainly on the gymnasts' performances and the evaluation by the judges.

Which of the following is not a swimming stroke ?

Detalles de la respuesta

The swimming stroke that is not listed among the options is the downstroke.

Let's briefly discuss the other three swimming strokes to understand why the downstroke is not considered a swimming stroke:

Crawl: Also known as freestyle, the crawl is the fastest and most commonly used stroke in competitive swimming. It involves a continuous alternating arm motion and a flutter kick. Swimmers move their arms in a windmill-like pattern, pulling the water towards them, while their legs kick in a repetitive up and down motion.

Backstroke: As the name suggests, swimmers swim on their backs, facing up. The main propulsive force in backstroke comes from the alternating arm movement, similar to the crawl stroke. The arms move in a wider arc, and the hands enter the water pinky-first. The legs perform a flutter kick, similar to that of the crawl stroke.

Breaststroke: The breaststroke is the slowest of the four competitive swimming strokes, but it is often considered the most graceful. Swimmers synchronize a frog-like kick and an arm pull to propel themselves through the water. The arms move together in a half-circle motion underwater, while the legs kick outwards and then back inwards simultaneously.

Downstroke: The term "downstroke" does not correspond to any recognized swimming stroke. It may be a term used in other contexts or in certain swimming drills, but it is not a distinct swimming stroke like the crawl, backstroke, or breaststroke.

The external openings of the nasal cavity that admit air to the lungs are called ?

Detalles de la respuesta

The external openings of the nasal cavity that admit air to the lungs are called nostrils.
The nostrils, also known as the nares, are the two openings at the base of the nose. They are responsible for allowing air to enter our respiratory system. When we breathe in, air flows through the nostrils and passes into the nasal cavity, which is a hollow space inside the nose.
The nostrils play an essential role in the respiratory process. As we inhale, the air enters the nasal cavity and is filtered, moistened, and warmed before it reaches the lungs. The nostrils are lined with small hairs called cilia, which help to filter out dust, pollen, and other particles from the air we breathe. The nose also contains mucus-secreting cells that moisten the air, preventing it from drying out the delicate lung tissues. Additionally, the nasal cavity has a rich blood supply, which helps to warm the air before it reaches the lungs, ensuring that it is at the right temperature for optimal breathing.
In summary, the nostrils are the external openings of the nasal cavity that allow air to enter the respiratory system. They filter, moisten, and warm the air, preparing it for the lungs to ensure efficient respiration.

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.

How many players make up a basketball team on the court at a time?

Detalles de la respuesta

A basketball team is made up of 5 players on the court at a time. Each team has a total of 12 players on their roster, but only 5 players are allowed to play on the court at any given time. These 5 players are responsible for attacking, defending, and scoring points for their team. The other players on the team wait on the sidelines for their turn to join the game or provide support from the bench. The 5 players on the court work together to strategize and execute their game plan, using their skills in dribbling, passing, shooting, and defending to outscore their opponents. So, in summary, a basketball team consists of 5 players on the court and 12 players on the roster.

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.

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.