Biology B - Unit 2 Practice Test

52 Questions | Total Attempts: 612

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Biology B - Unit 2 Practice Test


Questions and Answers
  • 1. 
    A student eats several salty pretzels and then finds herself very thirsty afterwards.  Based on your knowledge of cells and their environment, why are they so parched?
  • 2. 
    If a cell were to have non-functional Golgi Complexes, why would it be unable to survive?
  • 3. 
    While looking at a sample of bacteria, a student has his microscope at 400X magnification.  The image is a little fuzzy.  How should he properly adjust the microscope to get a clear image?
  • 4. 
    A substance with a pH value below 7. Has a high concentration of H3O+
    • A. 

      Acid

    • B. 

      Base

    • C. 

      Buffer

    • D. 

      Enzyme

  • 5. 
    A kingdom made up of complex, multicellular organisms that lack cell walls, can usually move around, and quickly respond to their environment.
    • A. 

      Animalia

    • B. 

      Plantae

    • C. 

      Protista

    • D. 

      Fungi

  • 6. 
    Domain of unicellular prokaryotes that have cell walls that do not contain peptidoglycan. Grow in extreme environments.
    • A. 

      Archaea

    • B. 

      Animalia

    • C. 

      Eukaryota

    • D. 

      Lysosome

  • 7. 
    A phospholipid layer that covers a cell's surface and acts as a barrier between the inside of a cell and the cell's environment.
    • A. 

      Cell Wall

    • B. 

      Golgi Apparatus

    • C. 

      Endoplasmic Reticulum

    • D. 

      Cell Membrane

  • 8. 
    A large knob used only under low power objective on the microscope.
    • A. 

      Coarse Focus

    • B. 

      Stage

    • C. 

      Fine Focus

    • D. 

      Diaphragm

  • 9. 
    Movement of molecules from an area of higher concentration to an area of lower concentration.
    • A. 

      Osmosis

    • B. 

      Diffusion

    • C. 

      Hypertonic

    • D. 

      Isotonic

  • 10. 
    A system of membranes that is found in a cell's cytoplasm and that assists in the production, processing, and transport of proteins and in the production of lipids.
    • A. 

      Endoplasmic Reticulum

    • B. 

      Golgi Apparatus

    • C. 

      Lysosome

    • D. 

      Ribosome

  • 11. 
    Domain of organisms that contain nuclei: includes animals, plants, fungi, and protists.
    • A. 

      Eukaryota

    • B. 

      Archaea

    • C. 

      Bacteria

  • 12. 
    A knob that makes small adjustments to the focus of a microscope.
    • A. 

      Fine Focus

    • B. 

      Coarse Focus

    • C. 

      Objective Lens

    • D. 

      Stage

  • 13. 
    A kingdom of complex organisms that obtain food by breaking down other substances in their surroundings and absorbing the nutrients.
    • A. 

      Animalia

    • B. 

      Fungi

    • C. 

      Plantae

    • D. 

      Protista

  • 14. 
    A system of membranes that modifies and packages proteins for export by the cell.
    • A. 

      Golgi Apparatus

    • B. 

      Endoplasmic Reticulum

    • C. 

      Lysosome

    • D. 

      Nucleus

  • 15. 
    A solution with a solute concentration higher than that of a cell.
    • A. 

      Hypertonic

    • B. 

      Hypotonic

    • C. 

      Isotonic

  • 16. 
    A solution with a solute concentration lower than that of a cell.
    • A. 

      Hypertonic

    • B. 

      Hypotonic

    • C. 

      Isotonic

  • 17. 
    Level of enlargement of an object. Equal to the power of the objective times the ocular lens.
    • A. 

      Magnification

    • B. 

      Objectification

    • C. 

      Ocularization

    • D. 

      Megafication

  • 18. 
    An organelle that serves as the site of cellular respiration; uses oxygen to break down organic molecules and synthesize ATP.
    • A. 

      Lysosome

    • B. 

      Mitochondria

    • C. 

      Endoplasmic Reticulum

    • D. 

      Golgi Apparatus

  • 19. 
    Lens immediately above the object being magnified on a microscope.
    • A. 

      Objective Lens

    • B. 

      Ocular Lens

    • C. 

      Obtuse Lens

    • D. 

      Osmosis Lens

  • 20. 
    A group of organs that work together in performing vital body functions.
    • A. 

      Organ

    • B. 

      Organ System

    • C. 

      Organelle

  • 21. 
    Diffusion of water across a selectively permeable membrane.
    • A. 

      Osmosis

    • B. 

      Hydration

    • C. 

      Distillation

    • D. 

      Distribution

  • 22. 
    Kingdom of multicellular photosynthetic autotrophs that have cell walls containing cellulose.
    • A. 

      Animalia

    • B. 

      Plantae

    • C. 

      Fungi

    • D. 

      Protista

  • 23. 
    A unicellular organism that lacks a nucleus and membrane bound organelles.
    • A. 

      Eukaryote

    • B. 

      Plant

    • C. 

      Fungus

    • D. 

      Prokaryote

  • 24. 
    Algae and Protozoa belong to this kingdom.
    • A. 

      Plantae

    • B. 

      Protista

    • C. 

      Animalia

    • D. 

      Olantae

  • 25. 
    Cytoplasmic organelles at which proteins are synthesized.
    • A. 

      Ribosome

    • B. 

      Mitochondria

    • C. 

      Lysosome

    • D. 

      Endoplasmic Reticulum

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