Bio 1a - Jordan High School Final Exam

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    Glucose + oxygen ------->                        + Water                                                                             

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About This Quiz


Scientific method, scientific instruments, chemistry of life, cell theory and organelles, cells and energy

Bio 1a - Jordan High School Final Exam - Quiz

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  • 2. 

    _________ is the lightest atom (H)

    Explanation
    Hydrogen is the lightest atom because it has the lowest atomic number and the smallest atomic mass. It consists of only one proton and one electron, making it the simplest and lightest element on the periodic table. Hydrogen is the primary building block of the universe and is abundant in stars and gas giants. It is also the most abundant element in the universe, making up about 75% of its elemental mass.

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  • 3. 

    True or False?                   Cell is the basic unit of life...

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The cell is considered the basic unit of life because it is the smallest structural and functional unit of an organism. Cells are responsible for carrying out all the necessary processes of life, such as metabolism, reproduction, and response to stimuli. They are able to perform these functions due to the presence of various organelles and molecules within the cell. Therefore, it can be concluded that the cell is indeed the fundamental building block of all living organisms.

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  • 4. 

    Glucose is sugar/ food made by autotrophs that they make by using the sun's               

    Correct Answer
    energy
    Explanation
    The given answer is correct because autotrophs, such as plants, use the energy from the sun to convert carbon dioxide and water into glucose through the process of photosynthesis. Glucose is a type of sugar that serves as a source of energy for the autotrophs themselves and for other organisms that consume them. Therefore, the production of glucose by autotrophs is directly linked to the energy obtained from the sun.

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  • 5. 

    True or False?  The beginning unit is always a cell. it starts from cells to tissues to organs to organ system to organisms.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because the beginning unit in the hierarchical organization of living organisms is indeed the cell. Cells are the basic building blocks of life and they come together to form tissues, which then combine to form organs, organ systems, and ultimately complete organisms. This progression from cells to organisms is a fundamental concept in biology.

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  • 6. 
    Water is made of 1 oxygen molecule and _____ hydrogen atoms. - ProProfs

    Water is made of 1 oxygen molecule and _____ hydrogen atoms.

    • 3

    • 2

    • 1

    • 5

    Correct Answer
    A. 2
    Explanation
    Water is made of 1 oxygen molecule and 2 hydrogen atoms. This is because water has a chemical formula of H2O, which means it consists of two hydrogen atoms bonded to one oxygen atom. The subscript 2 in the formula indicates the number of hydrogen atoms present in each water molecule.

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  • 7. 

    What scale tells how acidic or basic a substance is?

    • Mohs scale

    • PH scale

    • Geologic Time Scale

    • Triple Balance Scale

    Correct Answer
    A. pH scale
    Explanation
    The pH scale is used to measure the acidity or basicity of a substance. It ranges from 0 to 14, with 0 being the most acidic, 7 being neutral, and 14 being the most basic. The scale is based on the concentration of hydrogen ions in a solution. A lower pH indicates higher acidity, while a higher pH indicates higher basicity. The pH scale is widely used in various fields, including chemistry, biology, and environmental science, to determine the acidity or alkalinity of substances.

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  • 8. 

    When two or more atoms combine, what is it called?

    • Molecule

    • Gluon

    • Quark

    • Photon

    Correct Answer
    A. Molecule
    Explanation
    When two or more atoms combine, they form a molecule. A molecule is a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound. This bonding occurs through the sharing or transfer of electrons between atoms. Therefore, the correct answer is molecule.

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  • 9. 

    Water is an example of a compound

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Water is an example of a compound because it is composed of two different elements, hydrogen and oxygen, chemically bonded together. In a water molecule, two hydrogen atoms are bonded to one oxygen atom, forming the compound H2O. Compounds are substances that consist of two or more different elements chemically combined in fixed proportions. Since water meets this definition, it is considered a compound.

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  • 10. 

    Chloroplasts produce energy. They do photosynthesis (make glucose)

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Chloroplasts are responsible for photosynthesis, a process in which they convert sunlight, water, and carbon dioxide into glucose and oxygen. This glucose serves as a source of energy for the plant. Therefore, it is correct to say that chloroplasts produce energy through photosynthesis.

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  • 11. 

    When a scientist is working on an experiment they need to have a control group and an ___________________ group?

    • Fun

    • Growing

    • Experimental

    • Large

    Correct Answer
    A. Experimental
    Explanation
    When a scientist is working on an experiment, they need to have a control group and an experimental group. The control group is used as a comparison and does not receive the experimental treatment, while the experimental group is the group that receives the treatment or intervention being studied. This allows the scientist to compare the results between the two groups and determine the effects of the treatment.

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  • 12. 

    A bond where atoms are shared is called a covalent bond

    • True

    • False

    Correct Answer
    A. True
    Explanation
    A covalent bond is formed when atoms share electrons, resulting in a bond between them. This type of bond is commonly found in molecules and compounds composed of nonmetals. In a covalent bond, the shared electrons are attracted to both atoms, creating a stable structure. Therefore, the statement "A bond where atoms are shared is called a covalent bond" is true.

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  • 13. 

     What is the first thing scientists do?

    • Experiment

    • Observe and ask questions

    • Conclude

    • Report to others

    Correct Answer
    A. Observe and ask questions
    Explanation
    Scientists typically begin their scientific inquiry by observing and asking questions. This is the initial step in the scientific method, where scientists make careful observations of a phenomenon or a problem and then formulate questions to better understand it. By observing and asking questions, scientists gather information and data that will guide them in designing experiments and conducting further research. This step is crucial as it helps scientists identify patterns, make predictions, and develop hypotheses that can be tested through experiments.

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  • 14. 

    True or False?                                   All cells  come from pre-existing cells.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    All cells come from pre-existing cells because of the process of cell division. Cells divide to produce new cells, and these new cells are derived from the existing cells. This is a fundamental principle in biology known as the cell theory, which states that all living organisms are composed of cells and that cells arise from pre-existing cells through cell division. This process of cell division ensures that genetic information is passed on and allows for growth, development, and repair in multicellular organisms.

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  • 15. 

    What does the Cell Theory state?

    • That all living things are made of cells

    • Every cell has only one nucleus

    • That plants cannot have cells

    • Animals are only one that have cells

    Correct Answer
    A. That all living things are made of cells
    Explanation
    The Cell Theory states that all living things are made of cells. This theory, proposed by Matthias Schleiden and Theodor Schwann in the 19th century, revolutionized the understanding of biology. It states that cells are the basic building blocks of life and that all organisms are composed of one or more cells. This theory also includes the idea that cells come from pre-existing cells through cell division. The discovery of the Cell Theory laid the foundation for modern biology and our understanding of how living organisms function and interact.

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  • 16. 

    True or False. Respiration only occur in hetrotrophs?

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Respiration does not only occur in heterotrophs. It is a vital process that takes place in all living organisms, including both heterotrophs and autotrophs. Respiration is the process by which cells convert glucose and oxygen into carbon dioxide, water, and energy in the form of ATP. Heterotrophs obtain glucose from external sources, while autotrophs produce their own glucose through photosynthesis. Both types of organisms require respiration to release energy from glucose and carry out their cellular functions. Therefore, the statement that respiration only occurs in heterotrophs is false.

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  • 17. 

    Composed of a phospholipid bilayer with integral and peripheral proteins, this cell structure is semi-permeable, allowing only certain substances to pass into or out of the cell

    • Nucleolus

    • Mitochondrial cristae

    • Plasma membrane or cell membrane

    Correct Answer
    A. Plasma membrane or cell membrane
    Explanation
    The plasma membrane or cell membrane is composed of a phospholipid bilayer with integral and peripheral proteins. This structure is semi-permeable, meaning it allows only certain substances to pass into or out of the cell. This selective permeability is crucial for maintaining homeostasis within the cell, as it regulates the movement of molecules and ions.

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  • 18. 

    Which organelle is the control center of the cell?

    • Chloroplast

    • Mitochondrian

    • Nucleus

    • Ribosome

    Correct Answer
    A. Nucleus
    Explanation
    The nucleus is the control center of the cell because it contains the cell's genetic material, DNA. DNA carries the instructions for the cell's growth, development, and reproduction. The nucleus also regulates the cell's activities by controlling the synthesis of proteins through the production of messenger RNA (mRNA). Additionally, the nucleus plays a role in cell division, as it is responsible for the replication and distribution of DNA during mitosis and meiosis.

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  • 19. 

     What is the first thing scientists do?

    • Experiment

    • Observe and ask questions

    • Conclude

    • Report to others

    Correct Answer
    A. Observe and ask questions
    Explanation
    Scientists begin their scientific inquiry by observing and asking questions. This is the initial step in the scientific method, where scientists carefully observe a phenomenon or problem and formulate questions to investigate further. By observing and asking questions, scientists gather information and gain a deeper understanding of the subject matter before proceeding with experiments, drawing conclusions, and reporting their findings to others.

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  • 20. 

    Scientist organize the data they find in a.....?

    • Data Collection Table or Graph

    • On a paper

    • Right it on the back of their hands

    • Have their friends organize it

    Correct Answer
    A. Data Collection Table or Graph
    Explanation
    Scientists organize the data they find in a data collection table or graph. This allows them to visually represent and analyze the information they have gathered. By organizing the data in this way, scientists can easily identify patterns, trends, and relationships between variables. It also helps them to make accurate interpretations and draw conclusions based on the data. Additionally, having a structured format like a table or graph allows other researchers to easily understand and replicate the study, contributing to the overall advancement of scientific knowledge.

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  • 21. 

    The organelle that is referred to as the "control center" of the cell is the

    • Nucleus

    • Nucleolus

    • Mitochondrion

    Correct Answer
    A. Nucleus
    Explanation
    The nucleus is referred to as the "control center" of the cell because it contains the cell's genetic material, DNA. It regulates all the activities of the cell by controlling the synthesis of proteins and the replication of DNA. The nucleus also plays a crucial role in cell division and is responsible for transmitting genetic information to the next generation of cells. Therefore, the nucleus is considered the control center as it houses the instructions and machinery necessary for the cell's functioning and reproduction.

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  • 22. 

    Who discovered cells?

    • Schwann

    • Hooke

    • Schleiden

    Correct Answer
    A. Hooke
    Explanation
    Hooke is credited with discovering cells. In 1665, he observed thin slices of cork under a microscope and noticed small compartments resembling the cells of a monastery, which he called "cells." This observation led to the development of the cell theory, which states that cells are the basic structural and functional units of all living organisms. Schwann and Schleiden also made significant contributions to the cell theory, but Hooke's discovery of cells predates their work.

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  • 23. 

    These small, somewhat spherical organelles are produced in the nucleolus and carry out the process of making proteins

    • Ribosomes

    • Nucleus

    • Chloroplasts

    Correct Answer
    A. Ribosomes
    Explanation
    Ribosomes are small, spherical organelles that are produced in the nucleolus. They are responsible for carrying out the process of protein synthesis in cells. Ribosomes play a crucial role in translating the genetic information stored in DNA into functional proteins. They can be found either free-floating in the cytoplasm or attached to the endoplasmic reticulum. The correct answer is ribosomes.

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  • 24. 

    When a scientist is working on an experiment they need to have a control group and an ___________________ group?

    • Fun

    • Growing

    • Experimental

    • Large

    Correct Answer
    A. Experimental
    Explanation
    When a scientist is working on an experiment, they need to have a control group and an experimental group. The control group is used as a baseline for comparison, as it does not receive the experimental treatment. On the other hand, the experimental group is exposed to the variable being tested. By comparing the results between the control and experimental groups, scientists can determine the effects of the independent variable and draw conclusions about its impact.

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  • 25. 

    The jellylike fluid which fills the space inside the cell is called the

    • Nucleolus

    • Cytosol or cytoplasm

    • Cell wall

    Correct Answer
    A. Cytosol or cytoplasm
    Explanation
    The jellylike fluid that fills the space inside the cell is called cytosol or cytoplasm. This fluid is responsible for suspending the organelles within the cell and providing a medium for cellular processes to occur. It contains various molecules such as proteins, ions, and nutrients that are essential for the cell's functioning. The cytosol or cytoplasm also plays a role in maintaining the cell's shape and structure.

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  • 26. 

    Every protein contains peptide bonds.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Peptide bonds are the chemical bonds that connect amino acids together to form proteins. Since every protein is composed of amino acids, it is logical to conclude that every protein contains peptide bonds. Therefore, the statement "Every protein contains peptide bonds" is true.

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  • 27. 

    What is the function of the cell wall?

    • To prevent oxygen from entering the cell

    • To prevent water from entering the cell

    • To perform different functions in each cell

    • To protect and support the cell

    Correct Answer
    A. To protect and support the cell
    Explanation
    The cell wall has the function of protecting and supporting the cell. It provides a rigid structure that helps maintain the shape and integrity of the cell. Additionally, the cell wall acts as a barrier, protecting the cell from external mechanical stresses and preventing the entry of harmful substances.

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  • 28. 

    When scientists make an educated guest this is called ________

    • Hypothesis

    • Guess

    • Estimation

    • Conclusion

    Correct Answer
    A. Hypothesis
    Explanation
    When scientists make an educated guess, it is called a hypothesis. A hypothesis is a proposed explanation or prediction based on existing knowledge and observations. It is a starting point for scientific investigations and experiments, which can then be tested and either supported or rejected through further research and evidence. Hypotheses are essential in the scientific method as they allow scientists to formulate and explore potential explanations for phenomena or to make predictions about the outcome of experiments.

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  • 29. 

    When scientists make an educated guest this is called ________

    • Hypothesis

    • Guess

    • Estimation

    • Conclusion

    Correct Answer
    A. Hypothesis
    Explanation
    When scientists make an educated guess, it is called a hypothesis. A hypothesis is a proposed explanation or prediction based on limited evidence or observations. It is a starting point for scientific investigations and is used to guide further research and experimentation. Scientists formulate hypotheses to test their ideas and theories, and they can be either supported or disproven through empirical evidence.

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  • 30. 

    According to cell theory, all cells

    • Are eukaryotes

    • Are prokaryotes

    • Have nuclei

    • Come from other cells

    Correct Answer
    A. Come from other cells
    Explanation
    There are prokaryotic (means does not have a true nucleus) and eukaryotic (means does have a true nucleus) cells. There are some cells do not have a true nucleus. But all cells can only come from other cells.

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  • 31. 

    Scientist organize the data they find in a.....?

    • Data Collection Table or Graph

    • On a paper

    • Right it on the back of their hands

    • Have their friends organize it

    Correct Answer
    A. Data Collection Table or Graph
    Explanation
    Scientists organize the data they find in a data collection table or graph. This allows them to visually represent and analyze the data in a structured and systematic manner. By organizing the data in this way, scientists can easily identify patterns, trends, and relationships within the data, making it easier to draw meaningful conclusions and make informed decisions based on the findings.

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  • 32. 

    Robert Hooke was...?

    • The 1st to see a cell, and named it a cell(a room); looked at cork; saw a line of cells that reminded him of rooms.

    • Said that al plants are multicellular

    • Said that the begining unit is always a cell

    • Was the 2nd person to see a man on earth

    Correct Answer
    A. The 1st to see a cell, and named it a cell(a room); looked at cork; saw a line of cells that reminded him of rooms.
    Explanation
    Robert Hooke was the first person to see a cell and named it a cell (a room). He observed cork and noticed a line of cells that resembled rooms, leading him to coin the term "cell."

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  • 33. 

    How often  do we use photosynthesis and respiration in our everyday life?

    • Never

    • Always

    • Sometimes

    • Hardly ever

    • none of the above

    Correct Answer
    A. Always
    Explanation
    Photosynthesis and respiration are essential processes for all living organisms, including humans. Photosynthesis is responsible for converting sunlight into energy-rich molecules, while respiration is the process of breaking down these molecules to release energy. Both processes occur continuously in our bodies, allowing us to perform everyday activities such as breathing, moving, and digesting food. Therefore, we use photosynthesis and respiration always in our everyday life.

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  • 34. 

    The storage of hereditary information in a eukaryotic cell is in the

    • Cytoplasm

    • Nucleus

    • Centrioles

    • Lysosomes

    Correct Answer
    A. Nucleus
    Explanation
    The nucleus has the DNA (hereditary info), the cytoplasm is the fluid that the organelles of the cell float in, the centrioles aide in mitosis, and the lysosomes break down materials in the cell.

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  • 35. 

    These vesicles that are produced in the Golgi apparatus contain digestive enzymes that rid the cell of dead or worn out parts

    • Peroxisomes

    • Lysosomes

    • Chromosomes

    Correct Answer
    A. Lysosomes
    Explanation
    Lysosomes are organelles produced in the Golgi apparatus that contain digestive enzymes. These enzymes help break down and recycle cellular waste, including dead or worn-out parts. Lysosomes play a crucial role in maintaining cellular health and waste management within the cell.

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  • 36. 

    What happens during active transport?

    • Water moves passively through a membrane

    • The movement of particles occurs spontaneously in the opposite direction of concentration.

    • Cells must use stored energy to move substances across a membrane

    • Cells allow the spontaneuous movement of particles across the membrane.

    Correct Answer
    A. Cells must use stored energy to move substances across a membrane
    Explanation
    Since the question asked about active you are looking for an answer the describes using energy. Answers a, b, d all refer to passive transport which does not require energy

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  • 37. 

    A long, single, whip-like tail, this special organelle aids in locomotion (movement) for some types of cells or unicellular organisms

    • Flagellum

    • Cilium

    • Villus

    Correct Answer
    A. Flagellum
    Explanation
    The correct answer is flagellum. A flagellum is a long, whip-like tail that helps with the movement of certain cells or unicellular organisms. It acts as an organelle and aids in locomotion.

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  • 38. 

    A scientist uses a control group because?

    • So the data from the experimental group can be compared to the data in a control group

    • So that they can test again and again

    • So that they can make more than one hypothesis

    • So that can have others test the experiment

    Correct Answer
    A. So the data from the experimental group can be compared to the data in a control group
    Explanation
    A scientist uses a control group because it provides a baseline for comparison. By having a control group that is not exposed to the experimental treatment, the scientist can compare the results of the experimental group to the control group and determine the effect of the treatment. This helps to eliminate confounding variables and ensure that any observed differences are due to the treatment being tested.

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  • 39. 

    When a scientist decides whether or not his/her hypothesis is true or false and can explain the reasoning this is called

    • The end

    • Do it again

    • Description

    • Drawing a conclusion

    Correct Answer
    A. Drawing a conclusion
    Explanation
    Drawing a conclusion refers to the process of reaching a decision or forming a judgment based on the evidence or information available. In the context of a scientist, it means evaluating the results of an experiment or study and determining whether the hypothesis is supported or refuted. This involves analyzing the data, considering any limitations or confounding factors, and making an informed judgment about the validity of the hypothesis.

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  • 40. 

    Lysozomes are like

    • Garbage Disposals, Break down Wastes

    • Parasites, Pick on the Cell

    • Trash Cans, Store Wastes

    Correct Answer
    A. Garbage Disposals, Break down Wastes
    Explanation
    Lysozomes can be compared to garbage disposals as they both have the function of breaking down and disposing of waste. Just like a garbage disposal grinds up food waste, lysozomes break down cellular waste and debris. This comparison highlights the role of lysozomes in the cell's waste management system.

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  • 41. 

    The __________ is the smallest unit of matter.

    • Element

    • Atom

    • Molecule

    • Electron

    Correct Answer
    A. Atom
    Explanation
    An atom is the smallest unit of matter that retains the chemical properties of an element. It consists of a nucleus containing protons and neutrons, with electrons orbiting around the nucleus. Elements are made up of atoms, and molecules are formed when two or more atoms chemically bond together. Electrons are subatomic particles that are found within atoms. Therefore, the correct answer is atom.

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  • 42. 

    Prokaryotic and Eukaryotic are both living. They both also have the 8 charecteristics of life.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Both prokaryotic and eukaryotic organisms are living because they possess the eight characteristics of life. These characteristics include the ability to reproduce, respond to stimuli, grow and develop, maintain homeostasis, obtain and use energy, have a defined lifespan, exhibit organization, and adapt to their environment. Therefore, it is true that both prokaryotic and eukaryotic organisms have these characteristics and are considered living entities.

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  • 43. 

    When a scientist decides whether or not his/her hypothesis is true or false and can explain the reasoning this is called

    • The end

    • Do it again

    • Description

    • Drawing a conclusion

    Correct Answer
    A. Drawing a conclusion
    Explanation
    Drawing a conclusion refers to the process in which a scientist evaluates the results of an experiment or study and determines whether their hypothesis is supported or refuted. This involves analyzing the data collected, considering any limitations or errors, and making a judgment based on the evidence. Drawing a conclusion requires the scientist to explain their reasoning and provide a logical explanation for their findings. It is an essential step in the scientific method as it helps to establish the validity and reliability of the hypothesis.

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  • 44. 
    A base has a ph above _____. - ProProfs

    A base has a ph above _____.

    • 9

    • 8

    • 7

    • 10

    Correct Answer
    A. 7
    Explanation
    A base has a pH above 7 because pH is a measure of the acidity or alkalinity of a solution. A pH value below 7 indicates acidity, while a pH value above 7 indicates alkalinity. Therefore, a base, which is alkaline in nature, will have a pH above 7.

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  • 45. 

    The water molecule is _________, because there is an uneven distribution of electron within the molecule.

    • Uneven

    • Weird

    • Polar

    • Strange

    Correct Answer
    A. Polar
    Explanation
    The water molecule is polar because there is an uneven distribution of electron within the molecule. This means that the oxygen atom attracts the shared electrons more strongly than the hydrogen atoms, creating a partial negative charge near the oxygen atom and partial positive charges near the hydrogen atoms. This polarity gives water its unique properties, such as its ability to form hydrogen bonds and its high surface tension.

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  • 46. 

    What would happen if all plants died?

    • We wouldn't have food

    • All animals would die

    • There would be no oxygen

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    If all plants died, several consequences would occur. Firstly, we wouldn't have food because plants are a major source of nutrition for humans and animals. Secondly, all animals would die as they rely on plants either directly or indirectly for their survival. Finally, there would be no oxygen because plants play a crucial role in producing oxygen through the process of photosynthesis. Therefore, all of the above consequences would happen if all plants died.

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  • 47. 

    Structures that support and give shape to plant cells but not to animal cells are

    • Microbodies

    • Golgi bodies

    • Nucleus

    • Cell walls

    Correct Answer
    A. Cell walls
    Explanation
    There are no microbodies, Golgi bodies modify and transport proteins, and the nucleus directs the cell by telling it what to do. Cell walls support the plant cell by giving a rigid shape of a rectangle. The cell wall also helps the plant hold on to the water that it has stored.

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  • 48. 

    The atom is made of 3 subatomic particles. The subatomic particle found in the nucleus with a positive charge is the ___________.

    • Electron

    • Neutron

    • Proton

    Correct Answer
    A. Proton
    Explanation
    The atom is made up of three subatomic particles: electrons, neutrons, and protons. The subatomic particle found in the nucleus with a positive charge is the proton. Electrons have a negative charge and are found in the electron cloud surrounding the nucleus. Neutrons have no charge and are also found in the nucleus. However, protons have a positive charge and are specifically the subatomic particles responsible for the positive charge of the nucleus.

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  • 49. 

    An _______ bond is a bond in which electrons are transferred.

    • Covalent

    • Ionic

    • Double

    Correct Answer
    A. Ionic
    Explanation
    Ionic bonds are formed when electrons are transferred from one atom to another. In an ionic bond, one atom loses electrons to become positively charged (cation), while the other atom gains those electrons to become negatively charged (anion). The attraction between the opposite charges holds the atoms together, forming an ionic bond. This transfer of electrons results in the formation of a stable compound. Covalent bonds, on the other hand, involve the sharing of electrons between atoms, while double bonds refer to a type of covalent bond where two pairs of electrons are shared between atoms.

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  • Feb 13, 2024
    Quiz Edited by
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  • Jul 20, 2017
    Quiz Created by
    Alejandro Angeles
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