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Pregunta 1 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 2 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 3 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 4 Informe
How many trials are allowed in shot put?
Detalles de la respuesta
Only 3 trials are allowed in shot put.
Pregunta 5 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 6 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 7 Informe
How many points is required to win a badminton game ?
Detalles de la respuesta
To win a game in badminton, a player or a team needs to score a certain number of points. The number of points required to win a badminton game is 21 points.
However, there are certain rules that need to be followed in order to determine the winner. The winner must also have a 2-point lead over their opponent to secure the victory.
Let me explain the scoring system more in detail. In badminton, each rally results in a point being awarded to one of the players or teams. The rally starts with a serve and ends when the shuttlecock hits the ground within the boundaries, or if a fault is committed by one of the players.
Regardless of who served, a point is awarded to the serving side every time they win a rally. If the serving side loses a rally, the serve will be handed over to the opposing side, and they will have an opportunity to score points.
The game is played until one player or team reaches 21 points, with a 2-point lead. If the score reaches a tie at 20-20, it is called a "deuce". In a deuce, players need to continue playing until a player or team gains a 2-point lead to win the game.
In summary, to win a badminton game, a player or team needs to score 21 points with a 2-point lead over the opponent.
Pregunta 8 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 9 Informe
The amount of force you can put out is dependent on your:
Detalles de la respuesta
The amount of force you can put out is dependent on your muscular strength. Muscular strength refers to the maximum amount of force that a muscle or group of muscles can generate. It is determined by factors such as muscle size, fiber type, and the ability of the muscles to contract. Stamina, agility, and muscular endurance are all related to physical performance, but they do not directly determine the amount of force that can be exerted. - Stamina is the ability to sustain prolonged physical or mental effort. It is more focused on maintaining energy levels and enduring long-duration activities rather than generating high levels of force. - Agility is the ability to change direction quickly and efficiently. It involves coordination, balance, and speed. While agility is important for overall physical performance, it does not necessarily correlate with the amount of force that can be produced. - Muscular endurance refers to the ability of a muscle or group of muscles to repeatedly exert force or sustain an activity over an extended period. It is related to the capacity to resist fatigue, but it does not directly determine the maximum force output. Therefore, the primary factor affecting the amount of force you can put out is your muscular strength. Developing and improving muscular strength through proper training and exercise can increase your ability to generate force and perform tasks that require strength.
Pregunta 10 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 11 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 12 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 13 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 14 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 15 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 16 Informe
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.
Pregunta 17 Informe
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.
Pregunta 18 Informe
Detalles de la respuesta
The sport injury that results in the break of bone is called fracture.
A fracture occurs when there is a break in the continuity of a bone. This can happen as a result of a sports-related injury where there is a direct impact or excessive force applied to the bone. Fractures can vary in severity, ranging from a small crack to a complete break.
Unlike a sprain, which involves damage to the ligaments connecting bones, a fracture specifically refers to a break in the bone itself.
Similarly, a strain is an injury to the muscles or tendons, while a bruise is the result of damage to the blood vessels under the skin.
It is important to note that fractures require medical attention and proper treatment, which may involve immobilizing the affected area, using casts or splints, and in some cases, surgery. Prompt and appropriate management is crucial to ensure proper healing and minimize complications.
Pregunta 19 Informe
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.
Pregunta 20 Informe
Which of the following is not a throw event ?
Detalles de la respuesta
Pole vault is not a throw event. It is a field event in athletics where a person uses a long, flexible pole (which today is usually made either of fiberglass or carbon fiber) as an aid to jump over a bar. Javelin throw, shot put, and hammer throw are all throw events.
Pregunta 21 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 22 Informe
Recreational activities are meant to be done during ___
Detalles de la respuesta
Recreational activities are meant to be done during leisure time. Leisure time refers to the period when we are not busy with work, school, or other obligations. This is when we have free time to engage in activities that we enjoy and find entertaining. Recreational activities are meant to provide relaxation, enjoyment, and a break from our daily routines and responsibilities. Whether it's playing sports, reading a book, watching a movie, or spending time with friends and family, these activities help to rejuvenate our minds and bodies. Therefore, it is ideal to participate in recreational activities during leisure time when we can fully immerse ourselves in the experience without any distractions or time constraints.
Pregunta 23 Informe
Which of the following part of human skeleton forms the helmet that protect the human brain
Detalles de la respuesta
The part of the human skeleton that forms the helmet to protect the brain is called the cranium. The cranium is made up of several bones that come together to encase and protect the brain. These bones are connected by special joints called sutures which allow for some flexibility and movement.
The cranium serves as a hard, protective shell surrounding the brain, shielding it from any potential injury. It helps absorb and distribute forces, such as those that may occur from impact or trauma to the head. Additionally, the cranium provides attachment points for various muscles and ligaments involved in head movement.
The other options, namely the fibula and tibia, are bones found in the lower limbs and are involved in supporting the body weight and facilitating movement. They are not directly involved in protecting the brain. The suture, on the other hand, is not a specific bone but refers to the tight fibrous joints between the cranial bones that contribute to the strength and structural integrity of the cranium. However, it is not the main component responsible for forming the helmet-like protection for the brain.
In summary, the cranium is the part of the human skeleton that forms the protective helmet around the brain, safeguarding it from potential injuries.
Pregunta 24 Informe
Which of the following is an indoor recreational activity?
Detalles de la respuesta
An indoor recreational activity refers to an activity that can be enjoyed indoors, typically within a building or a closed space. Out of the given options, the only activity that can be considered as an indoor recreational activity is playing chess.
Swimming, hiking, and jogging all take place outdoors and require open spaces like pools, mountains, or parks. These activities involve physical movements in natural or outdoor environments. On the other hand, playing chess is an intellectual and strategic game that can be played indoors. It is usually played on a chessboard and involves planning and outwitting your opponent by moving different chess pieces on the board.
Playing chess can be enjoyed in the comfort of a home, a chess club, or any indoor space that provides a suitable environment to set up the chessboard and focus on the game. It does not require any specific physical fitness level or a large area, making it accessible to people of different ages and abilities.
In conclusion, playing chess is the only indoor recreational activity out of the options given. It is a mentally stimulating game that can be enjoyed indoors without the need for outdoor spaces or physical exertion.
Pregunta 25 Informe
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.
Pregunta 26 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 27 Informe
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.
Pregunta 28 Informe
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
Pregunta 29 Informe
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.
Pregunta 30 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 31 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 32 Informe
The following are the injuries that can be sustained at sport except ____
Detalles de la respuesta
Stomach ache is not typically considered an injury that can be sustained in sports. While it is common to experience stomach discomfort or cramps during physical activities, it is generally caused by factors such as dehydration, improper nutrition, or digestive issues rather than a direct injury to the body.
In contrast, sprains, bruises, and strains are types of injuries that can occur in sports:
- Sprains occur when ligaments, which connect bones together, are stretched or torn. This can happen when a joint is forcefully twisted or bent beyond its normal range of motion. Common areas for sprains include the ankle, wrist, or knee.
- Bruises, also known as contusions, result from a direct blow to the body. When tiny blood vessels under the skin get damaged, blood leaks out and causes discoloration, swelling, and tenderness. Bruises can occur in various body parts depending on the impact during sports.
- Strains are injuries to muscles or tendons. They typically occur due to overstretching or overexertion of the affected tissues. Strains commonly happen in areas like the hamstring, calf muscles, or lower back.
It is important to note that while stomach aches may not be considered an injury, they should not be ignored. It is crucial to address any persistent or severe stomach discomfort during physical activity by seeking medical advice and taking appropriate measures such as staying hydrated, consuming balanced meals, and avoiding excessive exertion.
Pregunta 33 Informe
Carbon monoxide is a source of ______ pollution.
Detalles de la respuesta
Carbon monoxide is a source of air pollution. When we burn fossil fuels such as gasoline, diesel, and natural gas in vehicles, power plants, and industries, carbon monoxide is released into the air. It is a colorless and odorless gas that is harmful to the environment and human health.
In our atmosphere, carbon monoxide reacts with other pollutants to form smog, which is a type of air pollution. Smog can cause respiratory problems, especially for people with asthma or other respiratory conditions.
Carbon monoxide also contributes to the greenhouse effect, which is responsible for global warming and climate change. This gas traps heat in the atmosphere, leading to the gradual increase in Earth's temperature.
So, carbon monoxide is a significant contributor to air pollution and its negative effects on both the environment and human health. It is crucial to reduce carbon monoxide emissions by using cleaner forms of energy and implementing stricter regulations for industries and vehicles.
Pregunta 34 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 35 Informe
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.
Pregunta 36 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 37 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 38 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 39 Informe
Which of the following helps human sperm with locomotion?
Detalles de la respuesta
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.
Pregunta 40 Informe
Which of the following part of the human body is responsible for movement ?
Detalles de la respuesta
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.
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