TAKS Checkpoint # 1

20 Questions | Total Attempts: 46

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TAKS Checkpoint  # 1

In this quiz you will be going over several concepts covered in the last unit and a half and test the TEKS to see where you are. Your password to get into the quiz is biology.


Questions and Answers
  • 1. 
    The model below shows the sodium - potassium pump. Use the model and your knowledge of science to answer questions 1 - 3.Which substance is released from the pump in step B?
    • A. 

      ATP

    • B. 

      Phosphate group

    • C. 

      Sodium ion

    • D. 

      Potassium pump

  • 2. 
    Which statement about ion concentration in this model is correct?
    • A. 

      ATP collects outside the cell.

    • B. 

      K+ ions collect inside the cell

    • C. 

      Na+ ions collect inside the cell

    • D. 

      Na+ ions collect outside the cell

  • 3. 
    What would happen if a cell's sodium - potassium pumps din not function properly?
    • A. 

      Water would leave the cell by osmosis.

    • B. 

      The cell would swell and burst.

    • C. 

      Sodium ions would diffuse out of the cell.

    • D. 

      The concentration of potassium ions would increase inside the cell.

  • 4. 
    The concentration of molecule X is greater inside the cell than outside.  If the cell acquires X from its surroundings, X must cross the cell membrane by means of
    • A. 

      Exocytosis

    • B. 

      Active transport

    • C. 

      Receptor proteins

    • D. 

      Second messengers

  • 5. 
    Which substance crosses the cell by facilitated diffusion?
    • A. 

      Sugar

    • B. 

      Water

    • C. 

      Sodium ion

    • D. 

      Chloride ion

  • 6. 
    The diagram below shows an animal cell.  Use the diagram and your knowledge of science to answer questions 6-8Which structures in this cell are also found in prokaryotic cells?
    • A. 

      A and B

    • B. 

      C and D

    • C. 

      E and F

    • D. 

      A and E

  • 7. 
    Which features of plant cells are missing from this cell?
    • A. 

      Cell wall and chloroplast

    • B. 

      Golgi apparatus and mitochondria

    • C. 

      Rough ER and lysosomes

    • D. 

      Smooth ER and nucleus

  • 8. 
    • A. 

      Making ATP

    • B. 

      Making carbohydrates

    • C. 

      Moving proteins through the cell

    • D. 

      Making proteins

  • 9. 
    Which organelle serves as the packaging and distribution center of a eukaryotic cell?
    • A. 

      Nucleus

    • B. 

      Lysosome

    • C. 

      Mitochondrion

    • D. 

      Golgi Apparatus

  • 10. 
    A bacterium that has lost its flagella would be unable to
    • A. 

      Divide

    • B. 

      Move

    • C. 

      Maintain its shape

    • D. 

      Make proteins

  • 11. 
    The English Scientist Robert Hooke used a crude microscope to examine
    • A. 

      Individual atoms

    • B. 

      Electrons

    • C. 

      Single-celled organisms

    • D. 

      Cork cells

  • 12. 
    Use the information below and your knowledge of science to answer questions 12-14The molecule shown in the diagram is
    • A. 

      Cellulose

    • B. 

      DNA

    • C. 

      RNA

    • D. 

      ATP

  • 13. 
    What is the main function of this molecule?
    • A. 

      Promoting chemical reactions

    • B. 

      Making up cell membranes

    • C. 

      Storing energy

    • D. 

      Storing hereditary information

  • 14. 
    What do the dashed lines in the drawing represent?
    • A. 

      Nuclear bonds

    • B. 

      Covalent bonds

    • C. 

      Hydrogen bonds

    • D. 

      Ionic bonds

  • 15. 
    Carboxypeptidase is an enzyme that catalyzes reactions in the small intestines.  The products of these reactions are amino acids.  What are the substrates of carboxypeptidase?
    • A. 

      Proteins

    • B. 

      Carbohydrates

    • C. 

      Lipids

    • D. 

      Nucleic acids

  • 16. 
    Molecule X contains a sugar and a phosphate group.  What is the molecule X?
    • A. 

      A carbohydrate

    • B. 

      A nucleotide

    • C. 

      A fatty acid

    • D. 

      An amino acid

  • 17. 
    Sodium chloride is an example of a
    • A. 

      Compound

    • B. 

      Molecule

    • C. 

      Isotope

    • D. 

      Ion

  • 18. 
    This chart shows a breakdown of the types of municipal solid waste, by weight, generated in the United States.  Use the chart ans your knowledge of science to answer questions 18-20.According to the chart, which makes up the greatest proportion of waste?
    • A. 

      Paper and cardboard

    • B. 

      Metals containing iron

    • C. 

      Yard waste, glass, and plastics

    • D. 

      Other waste

  • 19. 
    If each type of solid waster were recycled, which type would have the biggest impact on conserving trees?
    • A. 

      Aluminum

    • B. 

      Glass

    • C. 

      Plastics

    • D. 

      Paper and cardboard

  • 20. 
    Which of these types of waste can easily be recycled at home?
    • A. 

      Glass

    • B. 

      Plastics

    • C. 

      Yard waste

    • D. 

      Metals containing iron