Review Quiz For Biology Spring 2017 Nine Weeks Exam

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  • 1/22 Questions

    Water's ability to cling to many other surfaces is

    • Cohesion
    • Adhesion
    • Synchronicity
    • All of the above
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About This Quiz


This Review Quiz for Biology Spring 2017 assesses understanding of chemical bonding in water molecules, properties of water like cohesion and adhesion, and basic atomic structure. It's designed to enhance knowledge pivotal for academic progression in scientific studies.

Review Quiz For Biology Spring 2017 Nine Weeks Exam - Quiz

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  • 2. 

    The ultimate source of energy for the cell energy cycle is from

    • The atom

    • The sun

    • Homeostasis

    • Glucose

    Correct Answer
    A. The sun
    Explanation
    The sun is the ultimate source of energy for the cell energy cycle because it provides light energy that is converted into chemical energy through the process of photosynthesis. During photosynthesis, plants and some other organisms use sunlight, along with carbon dioxide and water, to produce glucose and oxygen. Glucose is then used as a source of energy by cells through cellular respiration. Therefore, the sun's energy is crucial for sustaining life on Earth by providing the energy needed for the cell energy cycle.

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  • 3. 

    What organelle is the location for synthesizing ATP

    • Choloroplast

    • Mitochondria

    • Nucleus

    • Cell membrane

    Correct Answer
    A. Mitochondria
    Explanation
    The mitochondria is the correct answer because it is known as the "powerhouse" of the cell and is responsible for synthesizing ATP through cellular respiration. ATP, or adenosine triphosphate, is the main energy currency of the cell and is essential for various cellular processes. The mitochondria have specialized structures and enzymes that facilitate the production of ATP through a series of biochemical reactions. Therefore, the mitochondria is the organelle where ATP synthesis primarily occurs.

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  • 4. 

    What type of bond holds a water molecule together

    • Covalent

    • Ionic

    • Hydrogen

    • None of the above

    Correct Answer
    A. Covalent
    Explanation
    A water molecule is held together by a covalent bond. In a covalent bond, two atoms share electrons in order to achieve a stable electron configuration. In the case of water, oxygen and hydrogen atoms share electrons to form two covalent bonds. This sharing of electrons allows the oxygen atom to have a full outer shell of electrons, giving it a stable configuration. Therefore, the correct answer is covalent.

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  • 5. 

    Water is what type of molecule

    • Non polar

    • Ionic

    • Polar covalent

    • All of the above

    Correct Answer
    A. Polar covalent
    Explanation
    Water is a polar covalent molecule because it consists of two hydrogen atoms bonded to one oxygen atom through covalent bonds. In a water molecule, the oxygen atom has a higher electronegativity than the hydrogen atoms, causing the electrons to be unequally shared. This results in a partial negative charge on the oxygen atom and partial positive charges on the hydrogen atoms, creating a polar molecule.

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  • 6. 

    Water's ability to moderate temperatures is the result of its

    • Low center of gravity

    • Low specific heat

    • High specific heat

    • Neutral specific heat

    Correct Answer
    A. High specific heat
    Explanation
    Water's ability to moderate temperatures is the result of its high specific heat. Specific heat refers to the amount of heat energy required to raise the temperature of a substance. Water has a high specific heat, meaning it can absorb a large amount of heat energy without a significant increase in temperature. This property allows water to act as a temperature buffer, regulating the temperature of its surroundings and maintaining a stable environment. It is why bodies of water like oceans and lakes tend to have more stable temperatures compared to land areas.

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  • 7. 

    What is the first step of the scientific method

    • Make a hypothesis

    • Conduct background research

    • Form a question

    • Collect and Analyze data

    Correct Answer
    A. Make a hypothesis
    Explanation
    The first step of the scientific method is to make a hypothesis. This involves formulating a tentative explanation or prediction based on prior knowledge and observations. The hypothesis serves as a starting point for the scientific investigation and guides the direction of the research. It helps to define the research question and provides a framework for designing experiments and collecting data to test the hypothesis.

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  • 8. 

    Acids are electron acceptors?

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Acids are proton (H+ ion) donors, so they accept electrons

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  • 9. 

    What is one requirement that needs to be fulfilled in order for a "question" to be valid for using the scientific method?

    • It needs to be a question that has a number answer.

    • It needs to be a question that can be solved experimentally.

    • It needs to be a question that has a yes or no answer.

    • All of the above

    Correct Answer
    A. It needs to be a question that can be solved experimentally.
    Explanation
    A question that can be solved experimentally is a requirement for using the scientific method because the scientific method involves formulating a hypothesis, designing and conducting experiments to test the hypothesis, and analyzing the results to draw conclusions. If a question cannot be solved experimentally, it cannot be tested scientifically and therefore cannot be valid for using the scientific method.

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  • 10. 

    Water's ability to cling together is called

    • Cohesion

    • Adhesion

    • Synchronicity

    • All of the above

    Correct Answer
    A. Cohesion
    Explanation
    Cohesion refers to the ability of water molecules to stick together due to hydrogen bonding. This property allows water to form droplets, create surface tension, and move through narrow spaces against gravity. Adhesion, on the other hand, refers to water's ability to stick to other substances. Synchronicity is not a term related to water's properties. Therefore, the correct answer is cohesion.

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  • 11. 

    What type of bond exists between water molecules

    • Covalent

    • Ionic

    • Hydrogen

    • None of the above

    Correct Answer
    A. Hydrogen
    Explanation
    Hydrogen bonding is the type of bond that exists between water molecules. This occurs when a hydrogen atom from one water molecule is attracted to the oxygen atom of another water molecule. This attraction is due to the difference in electronegativity between hydrogen and oxygen. The hydrogen bond is weaker than a covalent or ionic bond, but it is strong enough to give water its unique properties such as high boiling point, surface tension, and ability to dissolve many substances.

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  • 12. 

    Which one do you like?

    • Option 1

    • Option 2

    • Option 3

    • Option 4

    Correct Answer
    A. Option 1
  • 13. 

    What is the correct description for a Bronsted-Lowry base?

    • An electron acceptor

    • A proton acceptor

    • A proton donor

    • A neutron donor

    Correct Answer
    A. A proton acceptor
    Explanation
    A Brønsted-Lowry base is a proton acceptor. Bases give up a hydroxide ion (OH-) that wants to bond to the hydrogen ion (H+) given off by an acid

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  • 14. 

    The number of this subatomic particle  is used to identify its element

    • Electron

    • Proton

    • Neutron

    • All of the above

    Correct Answer
    A. Proton
    Explanation
    The number of protons is an element's atomic number

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  • 15. 

    How many significant figures are in the number 100200?

    • 2

    • 3

    • 4

    • 6

    Correct Answer
    A. 4
    Explanation
    The number 100200 has four significant figures because all non-zero digits are significant, and any zeros between non-zero digits are also significant. In this case, the zeros before and after the 2 are not significant because they serve as placeholders and do not add any value to the number itself. Therefore, the correct answer is 4.

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  • 16. 

    What organelle is the location for synthesizing glucose

    • Chloroplast

    • Mitochondria

    • Nucleus

    • Cell membrane

    Correct Answer
    A. Chloroplast
    Explanation
    The chloroplast is the correct answer because it is the organelle responsible for photosynthesis, the process by which glucose is synthesized in plants. Chloroplasts contain chlorophyll, a pigment that captures sunlight and converts it into chemical energy, which is used to produce glucose. The other organelles listed, such as the mitochondria, nucleus, and cell membrane, do not play a direct role in synthesizing glucose.

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  • 17. 

    All liquids are either an acid or base

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Liquids with a pH of seven are neutral, which is neither an acid nor base

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  • 18. 

    Acids are solutions with a pH between 7 and 14

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Acids are solutions with a pH between 0 and 7, not between 7 and 14. A pH value below 7 indicates acidity, while a pH value above 7 indicates alkalinity. Therefore, the statement that acids have a pH between 7 and 14 is incorrect.

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  • 19. 

    How many significant figures are in the number 100200.

    • 2

    • 3

    • 4

    • 6

    Correct Answer
    A. 6
    Explanation
    The number 100200 has six significant figures. Significant figures are the digits in a number that carry meaningful information. In this case, all the digits are non-zero, which means they are all significant. Therefore, the number 100200 has six significant figures.

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  • 20. 
    What is the form of RNA that has a structure resembling a clover leaf in the illustration - ProProfs

    What is the form of RNA that has a structure resembling a clover leaf in the illustration

    • Messenger RNA

    • Transfer RNA

    • Complementary RNA

    • None of the above

    Correct Answer
    A. Transfer RNA
    Explanation
    Transfer RNA (tRNA) has a structure resembling a clover leaf in the illustration. tRNA molecules are responsible for carrying amino acids to the ribosomes during protein synthesis. The clover leaf structure of tRNA is formed by base pairing between different regions of the molecule, creating three loops and an anticodon region that binds to the corresponding codon on the mRNA. This structure allows tRNA to accurately recognize and deliver the appropriate amino acid to the growing polypeptide chain. Messenger RNA (mRNA) carries the genetic information from DNA to the ribosomes, while complementary RNA is not a recognized form of RNA.

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  • 21. 

    A positively charged ion is called a(n) _______________________

    • Positron

    • Cation

    • Anion

    • None of the above

    Correct Answer
    A. Cation
    Explanation
    A positively charged ion is called a cation. This is because when an atom loses one or more electrons, it becomes positively charged and is then referred to as a cation. A cation has more protons than electrons, resulting in a net positive charge. A positron, on the other hand, is a subatomic particle with the same mass as an electron but with a positive charge. An anion, on the other hand, is a negatively charged ion that has gained one or more electrons. Therefore, the correct answer is cation.

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  • 22. 

    What is the location of protein synthesis in eukaryotes?

    • Nucleus

    • Ribosome

    • Cell membrane

    • Golgi apparatus

    Correct Answer
    A. Ribosome
    Explanation
    Protein synthesis in eukaryotes occurs in the ribosomes. Ribosomes are small organelles found in the cytoplasm of cells. They are responsible for assembling amino acids into proteins based on the instructions provided by messenger RNA (mRNA). The process of protein synthesis involves the decoding of the mRNA sequence and the formation of peptide bonds between amino acids to create a polypeptide chain. Therefore, the ribosome is the correct location for protein synthesis in eukaryotic cells.

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  • Current Version
  • May 08, 2025
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 20, 2016
    Quiz Created by
    Kenm21804
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