Wic Science Final Grade 10

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Wic Science Final Grade 10 - Quiz


Questions and Answers
  • 1. 

    A ball0on-like vesicle that can store food , water and minerals

    • A.

      Mitochondria

    • B.

      Rough ER

    • C.

      Golgi Apparatus

    • D.

      Lysosome

    • E.

      Vacuole

    Correct Answer
    E. Vacuole
    Explanation
    A vacuole is a balloon-like vesicle that can store food, water, and minerals. It is found in both plant and animal cells. In plant cells, vacuoles are larger and more prominent, often occupying a significant portion of the cell's volume. They play a crucial role in maintaining the cell's shape and structure, as well as regulating the cell's internal environment. Vacuoles also help in storing and recycling waste materials, maintaining turgor pressure, and storing nutrients and pigments.

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  • 2. 

    A current of moving air blowing from an ocean or large lake towards land

    • A.

      Jet stream

    • B.

      Sea Breeze

    • C.

      Land Breeze

    • D.

      Coriolis effect

    Correct Answer
    B. Sea Breeze
    Explanation
    A sea breeze is a current of moving air blowing from an ocean or large lake towards land. During the day, the land heats up faster than the water, causing the air above the land to become warmer and rise. As a result, cooler air from the ocean or lake flows in to replace it, creating a sea breeze. This phenomenon is commonly observed in coastal areas and can provide relief from hot temperatures inland.

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  • 3. 

    A large current that starts int he warm, shallow seas of the Caribbean

    • A.

      El nino

    • B.

      Coriolis effect

    • C.

      Gulf Stream

    Correct Answer
    C. Gulf Stream
    Explanation
    The Gulf Stream is a warm ocean current that originates in the warm, shallow seas of the Caribbean. It is a powerful current that flows along the eastern coast of the United States and then moves across the Atlantic Ocean towards Europe. The Gulf Stream is driven by a combination of factors, including the rotation of the Earth (Coriolis effect) and the temperature differences between the Caribbean and the North Atlantic. It plays a significant role in regulating the climate of both North America and Europe, and it has a major impact on weather patterns and marine life in the regions it passes through.

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  • 4. 

    A protective outer layer of cells covering the leaves, roots and stem

    • A.

      Epidermal Cells

    • B.

      Palisade Tissue Cell

    • C.

      Spongy Tissue Cells

    • D.

      Vascular tissue Cells

    Correct Answer
    A. Epidermal Cells
    Explanation
    Epidermal cells are a protective outer layer of cells that cover the leaves, roots, and stem of plants. They form a barrier against physical damage, pathogens, and excessive water loss. Epidermal cells are typically thin and transparent, allowing sunlight to penetrate to the underlying photosynthetic cells. They also secrete a waxy substance called cuticle, which further helps to reduce water loss. Overall, epidermal cells play a crucial role in protecting and regulating the exchange of materials between the plant and its environment.

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  • 5. 

    A susbstance that reacts and releases hydrogen Ions

    • A.

      Base

    • B.

      Acid

    Correct Answer
    B. Acid
    Explanation
    An acid is a substance that reacts and releases hydrogen ions. Acids are characterized by their sour taste, ability to turn blue litmus paper red, and ability to neutralize bases. When an acid dissolves in water, it donates hydrogen ions (H+) to the solution, making it acidic. This release of hydrogen ions is what distinguishes acids from bases.

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  • 6. 

    A vesicle containing Digestive enzymes where materials are dgraded by the cell

    • A.

      Golgi Apparatus

    • B.

      Vacuole

    • C.

      Nucleolus

    • D.

      Lysosome

    Correct Answer
    D. Lysosome
    Explanation
    Lysosomes are vesicles that contain digestive enzymes. They play a crucial role in the degradation of cellular waste materials and the recycling of cellular components. Lysosomes fuse with incoming vesicles containing cellular waste or damaged organelles, breaking them down and releasing the digested components back into the cell for reuse. This process helps maintain cellular homeostasis and proper functioning. Therefore, the correct answer is Lysosome.

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  • 7. 

    Abiogenesis- never obeserved theoretical proces by which life forms arise from non-living matter

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement is true because abiogenesis is indeed a theoretical process that suggests life can arise from non-living matter. Although it has never been directly observed, abiogenesis is supported by various scientific theories and experiments that suggest how the building blocks of life, such as amino acids and nucleotides, could have formed spontaneously under certain conditions on early Earth. While the exact mechanisms of abiogenesis are still not fully understood, the concept remains an important area of study in the field of origin of life research.

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  • 8. 

    Allows energy and matter to cross the systems boundary

    • A.

      Open System

    • B.

      Closed system

    • C.

      Isolated system

    Correct Answer
    A. Open System
    Explanation
    An open system allows energy and matter to cross its boundary, meaning that it can exchange both energy and matter with its surroundings. This implies that the system is not isolated or closed off from its environment, allowing for a continuous flow of energy and matter in and out of the system.

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  • 9. 

    Allows neither matter nor energy to flow across

    • A.

      Open system

    • B.

      Closed System

    • C.

      Isolated system

    Correct Answer
    C. Isolated system
    Explanation
    An isolated system is a system that does not allow matter or energy to flow across its boundaries. In this type of system, both matter and energy are completely isolated from the surroundings, meaning that no exchange of matter or energy can occur between the system and its surroundings. This makes an isolated system self-contained and independent, maintaining its own internal equilibrium without any external influence.

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  • 10. 

    An organelle containging chlorophyll, where photosynthesis takes place

    • A.

      Golgi Apparatus

    • B.

      Mitochondria

    • C.

      Chloroplast

    • D.

      Lysosome

    Correct Answer
    C. Chloroplast
    Explanation
    Chloroplast is the correct answer because it is the organelle that contains chlorophyll and is responsible for the process of photosynthesis. Photosynthesis is the process by which plants convert sunlight into energy, and it occurs within the chloroplasts. The chlorophyll pigment within the chloroplasts captures the light energy needed for photosynthesis to occur. Therefore, the chloroplast is the organelle where photosynthesis takes place.

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  • 11. 

    Anion has a negative charge

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    An anion is a negatively charged ion. It is formed when an atom gains one or more electrons. Since electrons are negatively charged, the addition of electrons to an atom results in a negative charge. Therefore, it is correct to say that an anion has a negative charge.

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  • 12. 

    Cation has a negative charge

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement "Cation has a negative charge" is incorrect. In chemistry, a cation is an ion that has lost electrons and therefore has a positive charge. Cations are formed when an atom loses one or more electrons. Therefore, cations have a positive charge, not a negative charge.

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  • 13. 

    Electrons Have no charge

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Electrons have a negative charge, not no charge. They are subatomic particles that orbit the nucleus of an atom and carry a negative charge. This charge is equal in magnitude but opposite in sign to the positive charge of protons. Therefore, the statement "Electrons have no charge" is incorrect.

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  • 14. 

    Formula for Gravitation Potential Energy

    • A.

      Mass X Gravity / Height

    • B.

      Mass/ Gravity X Height

    • C.

      Mass X Gravity X Height

    Correct Answer
    C. Mass X Gravity X Height
    Explanation
    The formula for gravitational potential energy is given by Mass X Gravity X Height. This formula calculates the potential energy possessed by an object due to its position in a gravitational field. The potential energy is directly proportional to the mass of the object, the acceleration due to gravity, and the height at which the object is located. Therefore, the correct answer is Mass X Gravity X Height.

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  • 15. 

    Formula for Velocity

    • A.

      Distance X Time

    • B.

      Time/Distance

    • C.

      Distance/Time

    Correct Answer
    C. Distance/Time
    Explanation
    The formula for velocity is distance divided by time. This is because velocity is a measure of how quickly an object is moving in a specific direction, and it is calculated by dividing the distance traveled by the time it takes to travel that distance. Therefore, the correct answer is "Distance/Time".

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  • 16. 

    Formula for work 

    • A.

      Force X Distance

    • B.

      Force/Distance

    • C.

      Distance/Force

    Correct Answer
    A. Force X Distance
    Explanation
    The formula for work is Force X Distance. This means that the amount of work done is equal to the force applied multiplied by the distance over which the force is applied. This formula is derived from the concept that work is done when a force is applied to move an object over a certain distance. Therefore, the correct answer is Force X Distance.

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  • 17. 

    Heterogeneous Mixture?

    • A.

      Different Components are not visible

    • B.

      Different components of the mixture are visible

    Correct Answer
    B. Different components of the mixture are visible
    Explanation
    In a heterogeneous mixture, the different components are visible to the naked eye. This means that you can physically see the different substances or particles that make up the mixture. This is in contrast to a homogeneous mixture, where the components are evenly distributed and not visible. So, if the different components of a mixture are visible, it indicates that it is a heterogeneous mixture.

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  • 18. 

    High pressure can be defined as a lesser force per unit area that the air would exert on a surface

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The given statement is incorrect. High pressure is actually defined as a greater force per unit area that the air would exert on a surface. Therefore, the correct answer is False.

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  • 19. 

    Hydrophilic 

    • A.

      Water loving

    • B.

      Water Fearing

    Correct Answer
    A. Water loving
    Explanation
    Hydrophilic refers to a substance or molecule that has an affinity for water, meaning it attracts and interacts with water molecules. It can dissolve easily in water and form hydrogen bonds with water molecules. Therefore, the term "water loving" accurately describes the characteristic of hydrophilic substances or molecules.

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  • 20. 

    In the cell, the sturcture that contains the genes, and directs the structure and function of a cell

    • A.

      Nucleus

    • B.

      Nucleolus

    • C.

      Smooth ER

    • D.

      Golgi Apparatus

    Correct Answer
    A. Nucleus
    Explanation
    The nucleus is the correct answer because it is the structure in a cell that contains the genes and controls the cell's activities. It directs the structure and function of the cell by regulating gene expression and synthesizing RNA. The nucleus is surrounded by a nuclear membrane and contains the nucleolus, which is responsible for producing ribosomes. The smooth endoplasmic reticulum is involved in lipid metabolism and detoxification, while the Golgi apparatus is responsible for modifying, sorting, and packaging proteins.

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  • 21. 

    Is a mixture of Nitrogen and oxygen and other gases that extend 800 Km above Earth's surface

    • A.

      Biosphere

    • B.

      Atmosphere

    • C.

      Lithosphere

    • D.

      Hydrosphere

    Correct Answer
    B. Atmosphere
    Explanation
    The correct answer is Atmosphere. The atmosphere is a mixture of nitrogen, oxygen, and other gases that extends 800 km above Earth's surface. It is the layer of gases that surrounds the planet and provides the air we breathe. The atmosphere also plays a crucial role in regulating temperature, protecting us from harmful radiation, and supporting weather patterns.

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  • 22. 

    Is Earth's Curst that forms land above sea level and at the ocean bottom

    • A.

      Biosphere

    • B.

      Atmosphere

    • C.

      Lithosphere

    • D.

      Hydrosphere

    Correct Answer
    C. Lithosphere
    Explanation
    The lithosphere is the correct answer because it refers to the Earth's crust, which forms the land above sea level and at the ocean bottom. It is the solid, outermost layer of the Earth and includes the continents and oceanic plates. The lithosphere is composed of rocks and minerals and is divided into several tectonic plates that constantly move and interact with each other. It is responsible for the formation of landforms such as mountains, valleys, and oceanic trenches.

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  • 23. 

    Is the temperature in which water condenses and begins to fall as rain or snow

    • A.

      Humidity

    • B.

      Weather

    • C.

      Dew Point

    Correct Answer
    A. Humidity
    Explanation
    Humidity refers to the amount of moisture present in the air. When the humidity reaches a certain level, the air becomes saturated and cannot hold any more moisture. At this point, water vapor condenses and forms tiny droplets or ice crystals, depending on the temperature. This condensation process leads to the formation of rain or snow, which then falls from the atmosphere. Therefore, humidity is the correct answer as it directly relates to the temperature at which water condenses and begins to fall as rain or snow.

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  • 24. 

    Is water on or Near Earth's surface. 

    • A.

      Biosphere

    • B.

      Atmosphere

    • C.

      Lithosphere

    • D.

      Hydrosphere

    Correct Answer
    D. Hydrosphere
    Explanation
    The correct answer is Hydrosphere. The hydrosphere refers to all the water on or near Earth's surface. This includes water in the oceans, lakes, rivers, groundwater, and even in the atmosphere as water vapor. The hydrosphere plays a crucial role in Earth's climate, weather patterns, and sustaining life on the planet.

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  • 25. 

    Metals are on the Left or Right of the staircase line?

    • A.

      Right

    • B.

      Left

    Correct Answer
    B. Left
    Explanation
    Metals are generally found on the left side of the staircase line on the periodic table. This is because metals tend to have properties such as high electrical and thermal conductivity, malleability, and ductility. They also tend to form positive ions by losing electrons. The elements on the right side of the staircase line are nonmetals, which typically have properties such as low conductivity and the tendency to gain electrons to form negative ions.

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  • 26. 

    Neutrons have a negative charge

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Neutrons do not have a negative charge. Neutrons are electrically neutral, meaning they have no charge. They are found in the nucleus of an atom along with protons, which have a positive charge, and electrons, which have a negative charge.

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  • 27. 

    Paleogclimatology

    • A.

      Study of past climates

    • B.

      Study of past plants

    • C.

      Study of past water

    Correct Answer
    A. Study of past climates
    Explanation
    Paleoclimatology is the study of past climates, including changes in temperature, precipitation, and atmospheric conditions over long periods of time. By analyzing various sources of evidence such as ice cores, tree rings, and sediment cores, paleoclimatologists can reconstruct past climate patterns and understand how they have changed over geological time scales. This field of study is important for understanding natural climate variability, as well as for providing insights into how current and future climate change may impact the Earth's ecosystems and societies.

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  • 28. 

    Periodic Table Group 17

    • A.

      Alkali Earth Metals

    • B.

      Alkali Metals

    • C.

      Halogens

    • D.

      Nobel Gases

    Correct Answer
    C. Halogens
    Explanation
    The given answer "Halogens" is correct because it is the correct group in the periodic table. Group 17 is known as the halogens, which includes elements such as fluorine, chlorine, bromine, iodine, and astatine. These elements are highly reactive and tend to form compounds with other elements. They have seven valence electrons and are located in the second-to-last column of the periodic table.

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  • 29. 

    Peroidic table group one

    • A.

      Alkali Earth metals

    • B.

      Alkali Metals

    • C.

      Halogens

    • D.

      Nobel Gases

    Correct Answer
    B. Alkali Metals
    Explanation
    The correct answer is Alkali Metals. Alkali metals are located in group one of the periodic table. They include elements such as lithium, sodium, potassium, and cesium. These metals are highly reactive and have one valence electron, which they readily give away to form positive ions. They are known for their low melting points and softness.

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  • 30. 

    Photosynthetic plant cells that are loosely packed to enable gass exchange, located below the palisade tissue

    • A.

      Epidermal Cells

    • B.

      Palisade Tissue Cell

    • C.

      Spongy Tissue Cell

    • D.

      Vascular Tissue Cells

    Correct Answer
    C. Spongy Tissue Cell
    Explanation
    Spongy tissue cells are located below the palisade tissue in photosynthetic plant leaves. These cells are loosely packed, allowing for efficient gas exchange. The spongy tissue contains air spaces that facilitate the diffusion of gases, such as carbon dioxide and oxygen, between the leaf and the surrounding environment. This arrangement ensures that the cells receive an adequate supply of carbon dioxide for photosynthesis and allows for the release of oxygen and excess water vapor.

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  • 31. 

    Photsynthetic Plant Cells taht are found in a distint layer under the leaf's uper surface

    • A.

      Epidermal Cells

    • B.

      Palisade Tissue Cell

    • C.

      Spongy Tissue Cell

    • D.

      Vascular tissue Cell

    Correct Answer
    B. Palisade Tissue Cell
    Explanation
    Palisade tissue cells are found in a distinct layer under the leaf's upper surface. These cells are responsible for photosynthesis, as they contain a high number of chloroplasts. The arrangement of palisade cells allows them to maximize their exposure to sunlight, which is essential for the process of photosynthesis. They are elongated and tightly packed, forming a continuous layer that efficiently absorbs light and converts it into energy for the plant. Therefore, palisade tissue cells are the correct answer because they play a crucial role in the photosynthetic process of plants.

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  • 32. 

    Precipitation that developes when warm, moist air-cools and condenses as it rises against mountainns

    • A.

      Orographic precipitation

    • B.

      Rain shadow

    • C.

      Jet Stream

    • D.

      Coriolis effect

    Correct Answer
    A. Orographic precipitation
    Explanation
    Orographic precipitation refers to the type of precipitation that occurs when warm, moist air is forced to rise over mountains. As the air rises, it cools and condenses, leading to the formation of clouds and eventually precipitation. This process is responsible for the higher rainfall amounts on the windward side of mountains, while the leeward side experiences a rain shadow effect with much lower rainfall. The other options, jet stream and Coriolis effect, are not directly related to the specific process described in the question.

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  • 33. 

    Prokaryotes are single celled organisms, That do not have a nucleus; mitochondria or any other membrane bound organelles

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Prokaryotes are single-celled organisms that lack a nucleus, mitochondria, or any other membrane-bound organelles. This means that their genetic material is not enclosed within a membrane-bound nucleus, and they do not possess specialized structures like mitochondria for energy production. Therefore, the statement "Prokaryotes are single-celled organisms that do not have a nucleus, mitochondria, or any other membrane-bound organelles" is true.

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  • 34. 

    Sublimation

    • A.

      Gas to solid

    • B.

      Solid To Liquid

    • C.

      Liquid to Gas

    Correct Answer
    A. Gas to solid
    Explanation
    Sublimation is the process in which a substance directly changes from the gas phase to the solid phase without going through the intermediate liquid phase. This is the opposite of deposition, where a substance changes from the gas phase to the solid phase. Therefore, the correct answer is "Gas to solid".

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  • 35. 

    The area in the nucleus of a cell where ribosomes are produced

    • A.

      Mitochondria

    • B.

      Nucleolus

    • C.

      Vacuole

    • D.

      Lysosome

    Correct Answer
    B. Nucleolus
    Explanation
    The nucleolus is the correct answer because it is the area in the nucleus of a cell where ribosomes are produced. The nucleolus is responsible for synthesizing and assembling ribosomal RNA (rRNA) and combining it with proteins to form ribosomes. Ribosomes are essential for protein synthesis, so the nucleolus plays a crucial role in the cell's ability to produce proteins.

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  • 36. 

    The boundary around a cell that sparates the cell interior from the enviroment

    • A.

      Cell Wall

    • B.

      Cell Membrane

    • C.

      Stem Cell

    • D.

      Phospolipids

    Correct Answer
    B. Cell Membrane
    Explanation
    The cell membrane is a thin, flexible barrier that surrounds the cell and separates its interior from the external environment. It is composed of a phospholipid bilayer with embedded proteins, which controls the movement of substances in and out of the cell. The cell membrane is essential for maintaining the cell's internal environment and protecting it from the surrounding environment.

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  • 37. 

    The oranelle where food molecules are broken down into energy that can be used by the cell

    • A.

      Vacuole

    • B.

      Mitochondria

    • C.

      Lysosome

    • D.

      Endoplasmic Reticulum

    Correct Answer
    B. Mitochondria
    Explanation
    Mitochondria are the organelles responsible for breaking down food molecules into energy that can be used by the cell. They are often referred to as the "powerhouses" of the cell because they produce the majority of the cell's energy in the form of adenosine triphosphate (ATP) through a process called cellular respiration. Mitochondria have their own DNA and are believed to have originated from ancient bacteria that formed a symbiotic relationship with eukaryotic cells.

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  • 38. 

    The organelle where proteins and lipids from the endoplamic reticulum are modified, repackaged and distributed to endoplasmic reticulum 

    • A.

      Golgi Apparatus

    • B.

      Mitochondria

    • C.

      Lysosome

    • D.

      Endoplasmic Reticulum

    Correct Answer
    A. Golgi Apparatus
    Explanation
    The Golgi Apparatus is the correct answer because it is the organelle responsible for modifying, repackaging, and distributing proteins and lipids that are synthesized in the endoplasmic reticulum. It receives these molecules in vesicles from the endoplasmic reticulum, modifies them by adding sugars and other molecules, and then packages them into new vesicles for distribution to various parts of the cell or for secretion outside of the cell. The Golgi Apparatus plays a crucial role in the sorting and trafficking of molecules within the cell.

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  • 39. 

    The part of the endoplasmic reticulum with attached ribosome, where proteins are synthesized

    • A.

      Rough ER

    • B.

      Smooth ER

    • C.

      Lysosome

    Correct Answer
    A. Rough ER
    Explanation
    The correct answer is Rough ER. The rough endoplasmic reticulum (ER) is a part of the ER that has ribosomes attached to its surface. These ribosomes are responsible for synthesizing proteins. The rough ER is involved in the production, folding, and modification of proteins before they are transported to their final destinations within the cell. It plays a crucial role in protein synthesis and is especially abundant in cells that produce large amounts of secreted or membrane proteins.

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  • 40. 

    The specific object or group of objects under observation

    • A.

      Habitat

    • B.

      Environment

    • C.

      System

    Correct Answer
    C. System
    Explanation
    The term "system" refers to a set of interrelated components that work together to achieve a common goal. In the context of the question, the specific object or group of objects under observation can be considered as a system because it consists of various elements that interact with each other. These elements are interconnected and function together to form a cohesive unit. Therefore, "system" is the most appropriate term to describe the observed object or group of objects.

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  • 41. 

    Transports Water from the soil to the leaves

    • A.

      Xylem

    • B.

      Phloem

    Correct Answer
    A. Xylem
    Explanation
    Xylem is the correct answer because it is the plant tissue responsible for transporting water and minerals from the roots to the leaves. It consists of specialized cells called tracheids and vessel elements, which form long tubes that allow water to move upwards through capillary action. Xylem also provides structural support to the plant. In contrast, phloem is responsible for transporting sugars and other organic molecules from the leaves to other parts of the plant.

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  • 42. 

    Which increases more rapidily with growth?

    • A.

      Volume

    • B.

      Surface Area

    Correct Answer
    A. Volume
    Explanation
    Volume increases more rapidly with growth compared to surface area. This is because volume is a measure of the amount of space occupied by an object, while surface area is a measure of the total area covered by the surface of an object. As an object grows in size, its volume increases cubically, meaning it increases at a faster rate compared to its surface area, which increases squared. Therefore, volume experiences a more rapid increase with growth.

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  • 43. 

    Which one is a formation Reaction?

    • A.

      Compound --> Element + Element

    • B.

      Element + Element --> Compound

    • C.

      Compound + Element --> Compound + element

    Correct Answer
    B. Element + Element --> Compound
    Explanation
    This is a formation reaction because it represents the process of two elements combining to form a compound.

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  • 44. 

    Which one is NOT evidence of a chemical reaction 

    • A.

      Irreversible

    • B.

      Color Change

    • C.

      Precipitate Forms

    • D.

      Sound Produced

    • E.

      Gas Produced

    • F.

      Heat

    Correct Answer
    D. Sound Produced
    Explanation
    Sound produced is not evidence of a chemical reaction because sound can be produced by physical processes as well, such as friction or vibration. Chemical reactions typically involve changes in the arrangement of atoms and the formation or breaking of chemical bonds, resulting in the production of new substances with different properties. The other options listed - irreversible, color change, precipitate forms, gas produced, and heat - are all commonly observed indicators of a chemical reaction.

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  • 45. 

    Which one isnt a Biome

    • A.

      Tundra

    • B.

      Taiga

    • C.

      Temperate Deciduous Forest

    • D.

      Grassland

    • E.

      Moderate weather forest

    • F.

      Desert

    • G.

      Tropical rain forest

    Correct Answer
    E. Moderate weather forest
    Explanation
    A "moderate weather forest" is not a recognized biome. The options listed in the question are all examples of biomes, which are large-scale ecological communities characterized by distinct climate, vegetation, and animal life. The Tundra, Taiga, Temperate Deciduous Forest, Grassland, Desert, and Tropical Rainforest are all well-known biomes found in different parts of the world. However, a "moderate weather forest" is not a commonly recognized term used to describe a specific biome.

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  • 46. 

    Which one isnt a nature cause of climate change

    • A.

      Earth's tilt

    • B.

      Distance from the Earth to the Sun

    • C.

      Continental drift

    • D.

      Weathering

    • E.

      Catastrophic Events

    Correct Answer
    B. Distance from the Earth to the Sun
    Explanation
    The distance from the Earth to the Sun is not a natural cause of climate change. Climate change is primarily influenced by factors such as Earth's tilt, continental drift, weathering, and catastrophic events. The distance from the Earth to the Sun, known as astronomical forcing, does affect the amount of solar radiation received by the Earth, but it is not considered a direct cause of climate change. Other factors, such as greenhouse gas concentrations and atmospheric conditions, play a more significant role in driving climate change.

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  • 47. 

    WHIMIS Stands for?

    • A.

      Workplace Harmful Material Information System

    • B.

      Workplace Hazardous Materials Informative system

    • C.

      Workplace Hazardous Materials information system

    Correct Answer
    C. Workplace Hazardous Materials information system
    Explanation
    WHIMIS stands for Workplace Hazardous Materials Information System. This system is designed to provide information about hazardous materials in the workplace, including their potential health effects, safe handling procedures, and necessary precautions. It helps employers and workers to identify and understand the hazards associated with various substances, ensuring proper safety measures are taken to prevent accidents and protect the health of individuals in the workplace.

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  • 48. 

    Who Created the "Billiard Ball"  atomic theory? 

    • A.

      Thompson

    • B.

      Dalton

    • C.

      Bohr

    • D.

      Rutherford

    Correct Answer
    B. Dalton
    Explanation
    Dalton is credited with creating the "Billiard Ball" atomic theory. This theory proposed that atoms are indivisible and indestructible particles that combine to form compounds in fixed ratios. Dalton's theory also stated that atoms of different elements have different masses and properties. This theory laid the foundation for understanding the structure and behavior of atoms and molecules.

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  • 49. 

    Who created the Nuclear atomic thoery?

    • A.

      Thompson

    • B.

      Dalton

    • C.

      Bohr

    • D.

      Rutherford

    Correct Answer
    D. Rutherford
    Explanation
    Rutherford is the correct answer because he is credited with creating the Nuclear Atomic Theory. Rutherford conducted the famous gold foil experiment, which led to the discovery of the atomic nucleus and the understanding that atoms have a small, dense, positively charged center called the nucleus. This experiment revolutionized the understanding of atomic structure and laid the foundation for the modern understanding of atoms.

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  • 50. 

    Who Created the Raison Bun atomic theory?

    • A.

      Thompson

    • B.

      Dalton

    • C.

      Bohr

    • D.

      Rutherford

    Correct Answer
    A. Thompson
    Explanation
    Thompson is the correct answer because he is credited with creating the Raisin Bun atomic theory. This theory proposed that atoms are composed of positively charged particles called protons and negatively charged particles called electrons, similar to the way raisins are distributed in a bun. Thompson's experiments with cathode rays led to the discovery of electrons and the development of this atomic model.

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  • Current Version
  • Jul 04, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 18, 2012
    Quiz Created by
    Brodymillionare
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