Class 5 Science Final Term
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Cerebellum is the largest part of human brain
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True
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False
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About This Quiz
The 'Class 5 Science Final Term' quiz assesses understanding of the human nervous system. It covers the functions, components, and specific roles of different parts of the system, emphasizing knowledge crucial for foundational science education.
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- 2.
Medulla is also called brain stem
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True
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False
Correct Answer
A. TrueExplanation
The statement is true because the medulla is indeed referred to as the brain stem. The medulla is the lowermost part of the brainstem and is responsible for controlling vital functions such as breathing, heart rate, and blood pressure. It connects the spinal cord to the rest of the brain and plays a crucial role in relaying signals between the brain and the body. Therefore, it is correct to say that the medulla is also known as the brain stem.Rate this question:
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- 3.
Which of the following organ system helps us to learn and think
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Digestive System
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Skeletal System
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Nervous System
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Muscular System
Correct Answer
A. Nervous SystemExplanation
The nervous system is responsible for learning and thinking. It consists of the brain, spinal cord, and nerves, which work together to process information and send signals throughout the body. The brain is the main organ of the nervous system and is responsible for cognitive functions such as learning, memory, and problem-solving. The nervous system also controls the senses, allowing us to perceive and interpret the world around us. Overall, the nervous system plays a crucial role in our ability to learn and think.Rate this question:
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- 4.
Which of the following organs helps us to taste
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Eye
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Ear
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Nose
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Tongue
Correct Answer
A. TongueExplanation
The tongue is the organ responsible for our sense of taste. It contains taste buds, which are specialized cells that detect different flavors such as sweet, sour, salty, and bitter. When we eat or drink something, the taste buds send signals to the brain, allowing us to perceive and differentiate between different tastes. The tongue also helps in the process of chewing and swallowing food.Rate this question:
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- 5.
Which of the following is the largest part of the human brain
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Cerebellum
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Cerebrum
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Medulla
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Spinal Cord
Correct Answer
A. CerebrumExplanation
The cerebrum is the largest part of the human brain. It is responsible for higher cognitive functions such as memory, language, perception, and consciousness. It is divided into two hemispheres and is composed of various lobes, including the frontal, parietal, temporal, and occipital lobes. The cerebrum plays a crucial role in coordinating voluntary movements, processing sensory information, and controlling emotions and behavior. It is the center for intelligence, learning, and reasoning.Rate this question:
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- 6.
Optic nerve carries message from the
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Eyes
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Ears
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Nose
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Skin
Correct Answer
A. EyesExplanation
The optic nerve carries messages from the eyes to the brain. It is responsible for transmitting visual information, allowing us to see and interpret our surroundings. This nerve connects the retina, which is located at the back of the eye, to the brain's visual cortex, where the information is processed and interpreted. Without the optic nerve, the brain would not receive any visual input, resulting in blindness.Rate this question:
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- 7.
The surface of the tongue has many .........
Correct Answer
taste budsExplanation
The surface of the tongue is covered with taste buds, which are responsible for detecting different tastes such as sweet, sour, salty, and bitter. These taste buds contain specialized cells called gustatory cells that have receptors for specific taste molecules. When food or drink comes into contact with the taste buds, the gustatory cells send signals to the brain, allowing us to perceive and distinguish different flavors. Therefore, taste buds play a crucial role in our sense of taste.Rate this question:
- 8.
The part of brain which helps in thinking learning and reasoning
Correct Answer
cerebrumExplanation
The cerebrum is the correct answer because it is the largest part of the brain and is responsible for higher cognitive functions such as thinking, learning, and reasoning. It is divided into two hemispheres and is involved in processing sensory information, initiating voluntary movements, and controlling language and speech. The cerebrum plays a crucial role in complex mental processes and is essential for our ability to think critically, learn new information, and make logical decisions.Rate this question:
- 9.
Air is a mixture of gases
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True
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False
Correct Answer
A. TrueExplanation
Air is a mixture of gases because it is composed of various gases such as nitrogen, oxygen, carbon dioxide, and trace amounts of other gases. These gases are not chemically combined but rather exist together in the atmosphere. This is evident from the fact that the composition of air can vary depending on location and altitude. Therefore, it can be concluded that air is indeed a mixture of gases.Rate this question:
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- 10.
Carbon dioxide is used in fire extinguishers
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True
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False
Correct Answer
A. TrueExplanation
Carbon dioxide is used in fire extinguishers because it is a non-flammable gas that can displace oxygen, effectively smothering the fire. When released from a fire extinguisher, carbon dioxide forms a blanket over the fire, preventing oxygen from reaching the fuel source and thus extinguishing the flames. This makes carbon dioxide an effective and commonly used agent in fire suppression systems.Rate this question:
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- 11.
The atmosphere protects us from meteoroids
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True
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False
Correct Answer
A. TrueExplanation
The atmosphere protects us from meteoroids because it acts as a shield, burning up most small meteoroids as they enter Earth's atmosphere. The friction caused by the meteoroid's high speed through the atmosphere generates intense heat, causing it to vaporize and disintegrate before reaching the surface. However, larger meteoroids can still pose a threat and may reach the surface, causing damage upon impact.Rate this question:
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- 12.
Air pressure helps us to drink juice using a straw
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True
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False
Correct Answer
A. TrueExplanation
Air pressure helps us to drink juice using a straw because when we suck on the straw, we create a low-pressure area inside the straw. The atmospheric pressure outside the straw is higher, so the juice is pushed up into the straw and into our mouth. This is possible because of the principle of fluid dynamics, where fluids move from areas of high pressure to areas of low pressure.Rate this question:
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- 13.
What do we need to breathe
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Air
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Water
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Milk
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None of these
Correct Answer
A. AirExplanation
Breathing is the process of taking in oxygen and releasing carbon dioxide. In order to do this, we need to inhale air, which contains oxygen. Oxygen is essential for our body's cells to function properly and carry out various metabolic processes. Water and milk are not sufficient to provide the necessary oxygen for respiration. Therefore, the correct answer is air.Rate this question:
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- 14.
The earth is fourth planet in the solar system
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True
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False
Correct Answer
A. FalseExplanation
The earth is not the fourth planet in the solar system. It is the third planet from the sun. The correct answer is False.Rate this question:
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- 15.
The outermost layer of the Earth is crust
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True
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False
Correct Answer
A. TrueExplanation
The outermost layer of the Earth is called the crust. This layer is relatively thin compared to the other layers of the Earth, such as the mantle and the core. The crust is made up of solid rock and is divided into two types: continental crust, which is thicker and less dense, and oceanic crust, which is thinner and denser. The crust is the layer where all the Earth's landforms, such as mountains, valleys, and plateaus, are formed. It is also where all life on Earth exists, as it provides a solid surface for living organisms. Therefore, the statement "The outermost layer of the Earth is crust" is true.Rate this question:
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- 16.
The core is the coldest part of the Sun
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True
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False
Correct Answer
A. FalseExplanation
The core of the Sun is actually the hottest part, where nuclear fusion occurs. This is where hydrogen atoms combine to form helium, releasing a tremendous amount of energy in the process. The temperature in the core can reach up to 15 million degrees Celsius.Rate this question:
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- 17.
Sun is the star nearest to the earth
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True
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False
Correct Answer
A. TrueExplanation
The statement "Sun is the star nearest to the earth" is true because the Sun is the closest star to our planet. It is located about 93 million miles away from Earth and is the primary source of light and heat for our planet. While there are billions of other stars in the universe, the Sun's proximity to Earth makes it the nearest star.Rate this question:
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- 18.
Which of the following has air water and land
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Earth
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Sun
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Moon
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All of these
Correct Answer
A. EarthExplanation
Earth is the correct answer because it is the only option that has air, water, and land. The Sun is a star and does not have a solid surface or water, while the Moon does not have an atmosphere or significant amounts of liquid water. Earth, on the other hand, has all three components - air in the form of the atmosphere, water in the form of oceans and other bodies of water, and land in the form of continents and islands. Therefore, Earth is the only option that satisfies the condition of having air, water, and land.Rate this question:
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- 19.
Who was the first man to step on the moon
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Neil Armstrong
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Edwin Aldrin
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Michael Collins
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Yuri Gagrin
Correct Answer
A. Neil ArmstrongExplanation
Neil Armstrong is the correct answer because he was the first man to step on the moon. On July 20, 1969, Armstrong, along with Buzz Aldrin, became the first astronauts to land on the moon as part of NASA's Apollo 11 mission. Armstrong famously took the first step onto the lunar surface and uttered the iconic words, "That's one small step for man, one giant leap for mankind." His historic achievement marked a significant milestone in human space exploration.Rate this question:
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- 20.
The .............. is made up of hydrogen and helium
Correct Answer
SunExplanation
The Sun is made up of hydrogen and helium. This is because the Sun is a massive ball of gas, primarily composed of hydrogen (about 74% of its mass) and helium (about 24% of its mass). These two elements undergo nuclear fusion in the Sun's core, releasing immense amounts of energy in the form of light and heat. This fusion process is what powers the Sun and allows it to emit light and heat that sustains life on Earth.Rate this question:
- 21.
When an ............object comes in the path of light it casts its shadow
Correct Answer
opaqueExplanation
When an opaque object comes in the path of light, it blocks the passage of light, resulting in the formation of a shadow. Opaque objects do not allow light to pass through them, causing them to cast a distinct shadow on the surface behind them. This is in contrast to transparent or translucent objects, which allow light to pass through partially or completely, resulting in a different effect on the formation of shadows.Rate this question:
- 22.
The star nearest to the earth
Correct Answer
SunExplanation
The Sun is the star nearest to the Earth. It is located at the center of our solar system and is the primary source of light and heat for the Earth. The Sun is about 93 million miles away from the Earth and has a significant impact on our planet's climate and weather patterns. Its gravitational pull keeps the Earth and other planets in orbit around it. The Sun is also responsible for providing energy for photosynthesis, which is crucial for the survival of life on Earth.Rate this question:
- 23.
First satellite
Correct Answer
Sputnik 1Explanation
Sputnik 1 was the first satellite ever launched into space. It was launched by the Soviet Union on October 4, 1957. Sputnik 1 was a small, spherical satellite that orbited the Earth, marking the beginning of the Space Age. Its launch had a significant impact on the world, sparking the Space Race between the United States and the Soviet Union. Sputnik 1 transmitted radio signals back to Earth, providing valuable data about the Earth's atmosphere and the feasibility of satellite communication.Rate this question:
- 24.
Hollows on the surface of the moon
Correct Answer
CratersExplanation
Craters are hollows on the surface of the moon that are formed by the impact of meteoroids, asteroids, or comets. These impacts cause the surface material to be ejected, creating a depression or hollow. Craters are a common feature on the moon's surface and can vary in size and shape. They provide valuable information about the history of the moon and the frequency of impact events in the solar system.Rate this question:
- 25.
The first man to step on the Moon
Correct Answer
Neil ArmstrongExplanation
Neil Armstrong is widely recognized as the first man to step on the Moon. On July 20, 1969, as part of NASA's Apollo 11 mission, Armstrong became the first astronaut to set foot on the lunar surface. This historic moment marked a significant achievement in human space exploration and solidified Armstrong's place in history. His famous quote, "That's one small step for man, one giant leap for mankind," has become iconic and symbolizes the remarkable feat of landing on the Moon.Rate this question:
- 26.
Natural satellite of Earth
Correct Answer
moonExplanation
The moon is the natural satellite of Earth. It orbits around the Earth and is the closest celestial object to our planet. It plays a significant role in various natural phenomena on Earth, such as tides. The moon can be observed from Earth and has been a subject of fascination and study for centuries. Its presence in the Earth's orbit is a unique characteristic that distinguishes it as Earth's natural satellite.Rate this question:
- 27.
Earthquake of 8 or higher magnitude can cause massive damages
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True
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False
Correct Answer
A. TrueExplanation
An earthquake with a magnitude of 8 or higher is considered to be a major earthquake. These earthquakes release a significant amount of energy, causing severe shaking of the ground. The intense shaking can result in the collapse of buildings, bridges, and other structures, leading to massive damages. Additionally, high-magnitude earthquakes can trigger landslides, tsunamis, and other secondary hazards, further exacerbating the destruction. Therefore, it is true that earthquakes of 8 or higher magnitude have the potential to cause massive damages.Rate this question:
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- 28.
Magma originates in the mental
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True
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False
Correct Answer
A. TrueExplanation
Magma originates in the mantle. The mantle is the layer of the Earth located between the crust and the core. It is composed of hot, semi-solid rock called magma. Magma is formed through the melting of rocks in the mantle due to high temperatures and pressure. It can then rise to the surface through volcanic activity, forming lava when it reaches the Earth's surface. Therefore, the statement "Magma originates in the mantle" is true.Rate this question:
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- 29.
Which of the following is not a natural calamity
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Earthquake
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Tsunami
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Road Accident
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Flood
Correct Answer
A. Road AccidentExplanation
Road accidents are not considered natural calamities because they are primarily caused by human factors such as negligence, reckless driving, or mechanical failures. Natural calamities, on the other hand, are events that occur due to natural forces beyond human control, such as earthquakes, tsunamis, and floods, which are caused by geological or meteorological phenomena.Rate this question:
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- 30.
The magma originates in
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Crust
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Mantle
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Core
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Oceans
Correct Answer
A. MantleExplanation
Magma originates in the mantle. The mantle is the layer of the Earth located between the crust and the core. It is composed of solid rock that is extremely hot and under high pressure. Magma forms when this rock melts due to the intense heat and pressure. It then rises towards the surface through cracks and vents in the crust, eventually erupting as lava during volcanic activity. Therefore, the mantle is the source of magma.Rate this question:
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- 31.
Magma released from the volcano is called ..........
Correct Answer
lavaExplanation
Magma released from the volcano is called lava. Lava is the molten rock that erupts from a volcano or fissure onto the Earth's surface. It is typically very hot and can flow or explode depending on its viscosity and gas content. Lava can solidify into various forms such as basalt, obsidian, or pumice, depending on its composition and cooling rate.Rate this question:
- 32.
The natural calamity which is caused by an underwater earthquake
Correct Answer
TsunamiExplanation
A tsunami is a natural calamity that occurs as a result of an underwater earthquake. When the earth's crust shifts beneath the ocean, it causes a sudden displacement of water, resulting in massive ocean waves known as tsunamis. These waves can travel across vast distances and cause widespread destruction when they reach coastal areas. Tsunamis are often characterized by their immense power and ability to cause devastation to both human lives and the environment.Rate this question:
- 33.
Dumping of solid waste in the soil causes
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Air pollution
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Water pollution
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Land pollution
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Noise pollution
Correct Answer
A. Land pollutionExplanation
Dumping of solid waste in the soil causes land pollution. This is because when solid waste is disposed of improperly, it can contaminate the soil, making it unsuitable for agriculture and other purposes. The waste can release harmful chemicals and toxins into the soil, which can seep into groundwater and nearby water bodies, causing water pollution as well. Additionally, the accumulation of solid waste on the land can create unsightly and unhygienic conditions, leading to the degradation of the environment and the loss of biodiversity. Therefore, the dumping of solid waste in the soil is a major contributor to land pollution.Rate this question:
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- 34.
A Greenhouse is made of
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Glass
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Wood
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Bricks
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Ice
Correct Answer
A. GlassExplanation
A greenhouse is made of glass because glass allows sunlight to pass through and traps the heat inside, creating a warm and controlled environment for plants to grow. Glass also provides insulation and protection from external elements while allowing visibility. Wood and bricks may be used for the structure of the greenhouse, but the main material that allows for the greenhouse effect is glass. Ice is not a suitable material for a greenhouse as it would melt and not provide the necessary insulation and transparency.Rate this question:
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- 35.
The surroundings in which we live is our environment
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True
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False
Correct Answer
A. TrueExplanation
The statement is true because our environment refers to the external conditions, influences, and surroundings in which we live. It includes both natural and man-made elements such as air, water, land, plants, animals, buildings, and other structures. Our environment plays a crucial role in shaping our lives and has a direct impact on our health and well-being. Therefore, it is important to understand and take care of our environment to ensure a sustainable and healthy future.Rate this question:
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- 36.
Greenhouse gases have the property of trapping heat
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True
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False
Correct Answer
A. TrueExplanation
Greenhouse gases, such as carbon dioxide and methane, have the property of trapping heat in the Earth's atmosphere. This is known as the greenhouse effect. These gases allow sunlight to pass through the atmosphere and reach the Earth's surface, but they prevent some of the heat from escaping back into space. This trapping of heat leads to an increase in the Earth's temperature, causing global warming and climate change. Therefore, the statement "Greenhouse gases have the property of trapping heat" is true.Rate this question:
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- 37.
The walls of a greenhouse is made of it
Correct Answer
glassExplanation
Glass is a commonly used material for the walls of a greenhouse due to its transparency and ability to allow sunlight to enter the structure. It creates a controlled environment by trapping heat inside, which is essential for plant growth. Glass also provides insulation and protection from external elements while allowing plants to receive the necessary sunlight for photosynthesis. Therefore, glass is an ideal material choice for greenhouse walls.Rate this question:
- 38.
House for plants, made of glass
Correct Answer
GreenhouseExplanation
A greenhouse is a structure made of glass that is specifically designed to provide an ideal environment for plants to grow. The glass walls and roof allow sunlight to enter while trapping heat inside, creating a warm and controlled climate. This controlled environment helps to extend the growing season, protect plants from harsh weather conditions, and promote optimal growth. Therefore, a house for plants made of glass is commonly referred to as a greenhouse.Rate this question:
- 39.
The rate of sedimentation can be improved by adding
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Sugar
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Mud
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Water
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Alum
Correct Answer
A. AlumExplanation
Adding alum can improve the rate of sedimentation because alum is a coagulant that helps to bind together the suspended particles in a liquid, making them heavier and more likely to settle at the bottom. This process is known as flocculation. By adding alum, the sedimentation process becomes more efficient and faster, as the particles clump together and settle more quickly, resulting in clearer liquid above the sediment.Rate this question:
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- 40.
The moon has no air or wind
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True
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False
Correct Answer
A. TrueExplanation
The moon has no air or wind because it lacks a substantial atmosphere. Unlike Earth, which has a dense atmosphere that contains air and supports weather patterns, the moon's atmosphere is extremely thin and composed mainly of particles released from the lunar surface. This lack of air and wind on the moon is due to its low gravity and inability to retain gases. As a result, there is no significant movement of air or wind on the moon's surface.Rate this question:
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- 41.
Water pollution is caused by loud noise
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True
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False
Correct Answer
A. FalseExplanation
The statement that water pollution is caused by loud noise is false. Water pollution is caused by the contamination of water bodies with harmful substances such as chemicals, sewage, industrial waste, and oil spills. Loud noise, on the other hand, can have negative effects on marine life and disrupt ecosystems, but it is not a direct cause of water pollution.Rate this question:
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- 42.
Earthquake of 8 or higher magnitude can cause massive damages
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True
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False
Correct Answer
A. TrueExplanation
An earthquake with a magnitude of 8 or higher is considered a major earthquake. These earthquakes release a tremendous amount of energy and can cause widespread destruction. The higher the magnitude, the stronger the shaking and the more severe the damage. Buildings, infrastructure, and even the land itself can be severely impacted, leading to collapses, landslides, and other hazards. Therefore, it is true that an earthquake of 8 or higher magnitude can cause massive damages.Rate this question:
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- 43.
The walls of a greenhouse are made of glass
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True
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False
Correct Answer
A. TrueExplanation
The walls of a greenhouse are made of glass because glass allows sunlight to pass through easily, creating a warm and controlled environment inside. The greenhouse effect occurs when sunlight enters the greenhouse and is absorbed by the plants and soil, which then radiate heat. The glass walls trap this heat inside, creating a warmer temperature than the outside environment. This helps in cultivating plants that require a specific temperature and protects them from harsh weather conditions.Rate this question:
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- 44.
The walls of greenhouse are made of it
Correct Answer
glassExplanation
The correct answer is glass because it is a transparent material that allows sunlight to enter the greenhouse. Glass is commonly used for greenhouse walls as it creates a controlled environment by trapping heat inside, promoting plant growth. The transparency of glass also allows for optimal visibility and observation of the plants inside the greenhouse.Rate this question:
- 45.
Which of the following is not a natural calamity?
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Earthquake
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Road accident
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Tsunami
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Flood
Correct Answer
A. Road accidentExplanation
A road accident is not considered a natural calamity because it is primarily caused by human error or negligence rather than natural forces. Natural calamities, such as earthquakes, tsunamis, and floods, are caused by natural phenomena like tectonic plate movements, oceanic disturbances, or extreme weather conditions. Road accidents, on the other hand, occur due to factors like reckless driving, mechanical failures, or human mistakes. While road accidents can have devastating consequences, they are not classified as natural calamities.Rate this question:
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- 46.
Chlorofluorocarbons are used in
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Heaters
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Coolers
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Air-conditioners
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Fans
Correct Answer
A. Air-conditionersExplanation
Chlorofluorocarbons (CFCs) are used in air-conditioners. CFCs are synthetic compounds that were commonly used as refrigerants in cooling systems, including air-conditioners. However, their use has significantly decreased due to their harmful effects on the ozone layer. CFCs are known to deplete the ozone layer, which protects the Earth from harmful ultraviolet (UV) radiation. As a result, the use of CFCs has been phased out in many countries, and alternative refrigerants that are less harmful to the environment are now used in air-conditioners.Rate this question:
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- 47.
Magma comes out from
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Outer core
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Inner core
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Mantle
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Crust
Correct Answer
A. MantleExplanation
Magma comes out from the mantle. The mantle is the layer of the Earth located between the crust and the outer core. It is composed of hot, semi-solid rock that is capable of generating magma through the process of partial melting. Magma is then able to rise to the Earth's surface through volcanic activity, such as volcanic eruptions or the formation of volcanic vents and fissures.Rate this question:
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- 48.
Force can move stationery objects
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True
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False
Correct Answer
A. TrueExplanation
Force can move stationary objects because force is defined as a push or pull that can cause an object to move, change direction, or change shape. When a force is applied to a stationary object, it can overcome the object's inertia and cause it to start moving. This is evident in everyday life, such as when we push a door to open it or push a car to make it start moving. Therefore, the statement "Force can move stationary objects" is true.Rate this question:
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- 49.
Carbon-dioxide is used in fire-extinguishers
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True
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False
Correct Answer
A. TrueExplanation
Carbon dioxide is used in fire extinguishers because it is a non-flammable gas that displaces oxygen, effectively suffocating the fire. When released from a fire extinguisher, carbon dioxide forms a dense cloud that cuts off the fire's oxygen supply, preventing it from spreading. This method is particularly effective for extinguishing electrical fires or fires involving flammable liquids, as it does not leave any residue or damage the surrounding equipment. Therefore, the statement "Carbon dioxide is used in fire extinguishers" is true.Rate this question:
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Dec 22, 2018Quiz Created by
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