Biology Chapter 1 & 4 Test

37 Questions | Total Attempts: 30

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Biology Chapter Quizzes & Trivia

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  • 1. 
    Biology is the study of 
    • A. 

      Minerals.

    • B. 

      Life.

    • C. 

      The weather.

    • D. 

      Energy.

  • 2. 
    Which one of the following is NOT a unifying theme we will discuss this year?
    • A. 

      Structure and function

    • B. 

      Inheritance and variation of traits

    • C. 

      Natural selection and evolution

    • D. 

      Forces and interactions

  • 3. 
    A scientist noticed that in acidic pond water some salamanders developed with curved spines.  This was a(n)
    • A. 

      Hypothesis

    • B. 

      Theory

    • C. 

      Observation

    • D. 

      Control

  • 4. 
    A hypothesis is
    • A. 

      A definite answer to a given problem

    • B. 

      A testable possible explanation of an observation

    • C. 

      A proven statement

    • D. 

      A concluding statement

  • 5. 
    Scientific hypothesis are most often tested by the process of 
    • A. 

      Communicating.

    • B. 

      Inferring.

    • C. 

      Experimenting.

    • D. 

      Analyzing data.

  • 6. 
     A scientist testing the affects of a chemical on apple yeild sprays an orchard with the chemical. A second orchard does not receive the chemical. In the fall, the number of apples harvested from each forest is counted. Which of the following is the independent (manipulated) variable in the experiment?
    • A. 

      The chemical

    • B. 

      The number of apples

    • C. 

      The first orchard

    • D. 

      The second orchard

  • 7. 
    The orchard sprayed with the chemical yields an average of 60 apples per tree, the other orchard yields an average of 40 apples per tree. Based on the data, the scientist would:
    • A. 

      Report his data

    • B. 

      Test the chemical on other plants

    • C. 

      Determine that the chemical increases apple yield

    • D. 

      Determine that the results were inconclusive

  • 8. 
    How many Dm in 665 cm?
    • A. 

      6.65 Dm

    • B. 

      665000 Dm

    • C. 

      .665 Dm

    • D. 

      .0665 Dm

  • 9. 
    If when changing to a higher objective lens your specimen disappears what should you do?
    • A. 

      Change the fine focus

    • B. 

      Change the iris diaphram

    • C. 

      Clean the ocular lens

    • D. 

      Go back to the lower objective and recenter the specimen

  • 10. 
    A light microscope that has an objective lens of 10x and an ocular lens of 20x has a magnification of 
    • A. 

      30x.

    • B. 

      200x.

    • C. 

      300x.

    • D. 

      2000x.

  • 11. 
    A cell contain which of the following:
    • A. 

      Endoplasmic reticulum

    • B. 

      Plasma membrane

    • C. 

      Nucleus

    • D. 

      Mitochondria

  • 12. 
    The control center of the cell is the
    • A. 

      Nucleus

    • B. 

      Mitochondria

    • C. 

      Cell membrane

    • D. 

      Endoplasmic reticulum

  • 13. 
    Plant cells have all of the following except
    • A. 

      Cell wall

    • B. 

      Nucleus

    • C. 

      Choloroplast

    • D. 

      Centrioles

  • 14. 
    Rough ER has
    • A. 

      Nucleoulus

    • B. 

      Golgi apparatus

    • C. 

      Ribosomes

    • D. 

      Chromosomes

  • 15. 
    The thin, flexible barrier around a cell is called the 
    • A. 

      Plasma membrane

    • B. 

      Cell wall

    • C. 

      Nuclear envelope

    • D. 

      Cytoplasm

  • 16. 
    The main function of the cell wall is to
    • A. 

      Store DNA

    • B. 

      Help the cell move

    • C. 

      Direct the activities of the cell

    • D. 

      Support and protect the cell

  • 17. 
    Which of the following is the function of the cytoskeleton?
    • A. 

      Contains DNA

    • B. 

      Surrounds the cell

    • C. 

      Helps a cell keep its shape

    • D. 

      Helps make proteins

  • 18. 
    Prokaryotes lack
    • A. 

      DNA or genetic material

    • B. 

      A cell membrane

    • C. 

      A nucleus

    • D. 

      Cytoplasm

  • 19. 
    Which organelle would not be found in animal cells?
    • A. 

      Smooth ER

    • B. 

      Chloroplasts

    • C. 

      Mitochondria

    • D. 

      Ribosomes

  • 20. 
    A eukaryotic cell contains
    • A. 

      Only ribosomes

    • B. 

      Membrane bound organelles

    • C. 

      DNA floating in cytoplasm

    • D. 

      Just cytoplasm

  • 21. 
    Which organelle is the "packing center" for the cell?
    • A. 

      Endoplasmic reticulum

    • B. 

      Nucleus

    • C. 

      Lysosome

    • D. 

      Golgi apparatus

  • 22. 
    Which of the following is a saclike structure that stores water, food, and wastes?
    • A. 

      Golgi apparatus

    • B. 

      Nucleus

    • C. 

      Vacuole

    • D. 

      Endoplasmic reticulum

  • 23. 
    Which of the following is the "powerhouse" of the cell that breaks down food into energy that the cell needs?
    • A. 

      Mitochondria

    • B. 

      Vacuole

    • C. 

      Endoplasmic reticulum

    • D. 

      Chloroplast

  • 24. 
    Who discovered "cells" and named them?
    • A. 

      Anton van Leewenhoek

    • B. 

      Robert Hooke

    • C. 

      Lynn Margulis

    • D. 

      Rudolph Virchow

  • 25. 
    Which of the following is not found in all cells?
    • A. 

      Genetic material

    • B. 

      Cell membrane

    • C. 

      Vacuoles

    • D. 

      Cytoplasm

  • 26. 
    Which of the following is the site for protein synthesis?
    • A. 

      Cell membrane

    • B. 

      Nucleus

    • C. 

      Ribosomes

    • D. 

      Lysosomes

  • 27. 
    Which of the following is not part of the cell theory?
    • A. 

      All living things are made of cells

    • B. 

      Cells come from existing cells

    • C. 

      Cells are the basic units of structure and function in all living things

    • D. 

      All cells contain the same organelles

  • 28. 
    What is the small dark structure in the nucleus that produces ribosomes?
    • A. 

      Rough ER

    • B. 

      Nucleolus

    • C. 

      Smooth ER

    • D. 

      Chromatin

  • 29. 
    This is the jelly-like substance found in all cells:
    • A. 

      Centrioles

    • B. 

      Cytoskeleton

    • C. 

      Chromosomes

    • D. 

      Cytoplasm

  • 30. 
    This is a sac-like structure that contains digestive enzymes. It may digest waste materials or even dead cells
    • A. 

      ER

    • B. 

      Lysosomes

    • C. 

      Vacuole

    • D. 

      Vesicle

  • 31. 
    This is a series of sac-like tunnels that have ribosomes attached.  The main function of this organelle is to make and process proteins.
    • A. 

      Nucleus

    • B. 

      Rough ER

    • C. 

      Smooth ER

    • D. 

      Golgi apparatus

  • 32. 
    This is a series of sac-like tunnels without ribosomes.  The main function of this organelle is to make and process lipids and carbohydrates.
    • A. 

      Smooth ER

    • B. 

      Nucleus

    • C. 

      Rough ER

    • D. 

      Golgi apparatus

  • 33. 
    The smallest unit of structure and function that maintains all the characteristics of life:
    • A. 

      Nucleus

    • B. 

      Tissue

    • C. 

      Organism

    • D. 

      Cell

  • 34. 
    Which of the following best describes the lipid bilayer present in the plasma membrane?
    • A. 

      Phospholipids in single layer with heads facing outside the cell

    • B. 

      Phospholipids in double layer with heads of both layers meeting in the middle

    • C. 

      Phospholipids in single layer with heads facing inside the cell

    • D. 

      Phospholipids in double layer with tails facing each other and heads on both the inside and outside of the cell

  • 35. 
    Which of the following is the site of photosynthesis?
    • A. 

      Smooth ER

    • B. 

      Chloroplast

    • C. 

      Mitochondria

    • D. 

      Cytoplams