Biology Unit 1 Preassessment

26 Questions | Total Attempts: 161

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Biology Quizzes & Trivia

Preassessment


Questions and Answers
  • 1. 
    What is a microscope’s total magnification if the eyepiece is 10x and the objective is set at 40x?
    • A. 

      4x

    • B. 

      40x

    • C. 

      400x

    • D. 

      4000x

  • 2. 
    Which of the following organisms are prokaryotes?
    • A. 

      Plants

    • B. 

      Animals

    • C. 

      Bacteria

    • D. 

      All of the above

  • 3. 
    What type of cell is shown in the diagram below?
    • A. 

      Plants Cells

    • B. 

      Eukaryotic cells

    • C. 

      Bacterial cells

    • D. 

      Prokaryotic cells

  • 4. 
    A mysterious new organism is discovered to have the following characteristics: -Single celled, -Green in color, -Genetic information floating freely. What is the new organism’s best description?
    • A. 

      Prokaryote

    • B. 

      Eukaryote

    • C. 

      Animal cell

    • D. 

      Plant cell

  • 5. 
    1. Looking at a cell under a microscope, you note that it is a eukaryote. How do you know?
    • A. 

      The cell has cytoplasm

    • B. 

      The cell has a cell membrane

    • C. 

      The cell has a nucleus

    • D. 

      D. The cell has ribosomes

  • 6. 
    Which statement about prokaryotes and eukaryotes is correct
    • A. 

      Eukaryotes have DNA and prokaryotes do not

    • B. 

      Both eukaryotes and prokaryotes have a cell membrane

    • C. 

      Prokaryotes have lysosomes and eukaryotes do not

    • D. 

      Both eukaryotes and prokaryotes have a nucleus

  • 7. 
    1. Which statement about prokaryotes and eukaryotes is correct?
    • A. 

      A. Eukaryotes have DNA and prokaryotes do not

    • B. 

      B. Both eukaryotes and prokaryotes have a cell membrane

    • C. 

      C. Prokaryotes have lysosomes and eukaryotes do not

    • D. 

      D. Both eukaryotes and prokaryotes have a nucleus

  • 8. 
    Which cell component is not directly involved in the making or processing of proteins?
    • A. 

      Mitochondria

    • B. 

      Golgi apparatus

    • C. 

      Endoplasmic reticulum

    • D. 

      Ribosomes

  • 9. 
    One difference between plant and animal cells is that animal cells do not have __________ or _________.
    • A. 

      . a nucleus, a cell wall

    • B. 

      A cell membrane, chloroplasts

    • C. 

      Chloroplasts, a cell wall

    • D. 

      Centrioles, a nucleus.

  • 10. 
    Smooth muscle cells in the lungs are involved in nonstop contractions that keep us breathing. What organelles do these cells probably have an unusually high number of?
    • A. 

      Ribosomes

    • B. 

      Mitochondria

    • C. 

      DNA molecules

    • D. 

      Golgi bodies

  • 11. 
    Which of these is NOT a trait common to all living things?
    • A. 

      A. Has a heart

    • B. 

      B. Reproduces

    • C. 

      C. Maintain homeostasis

    • D. 

      C. Maintain homeostasis

  • 12. 
    Which of the following is a function of the nucleus?
    • A. 

      Stores DNA

    • B. 

      Stores Sugars

    • C. 

      Builds Proteins

    • D. 

      Packages Proteins

  • 13. 
    Which of the following is the function of the golgi apparatus?
    • A. 

      A. Modifies, sorts and packages proteins

    • B. 

      B. Make ATP

    • C. 

      C. Stores sugars

    • D. 

      D. Breaks down large molecules

  • 14. 
    Unlike the smooth ER, the rough ER has ___________________________ attached to it
    • A. 

      Lysosomes

    • B. 

      Carbohydrate Chains

    • C. 

      Ribosomes

    • D. 

      Centriolds

  • 15. 
    Which of the following is the role of chloroplast?
    • A. 

      Make proteins

    • B. 

      Copy DNA

    • C. 

      Absorb sunlight in order to make energy

    • D. 

      Package proteins

  • 16. 
    Which cell process will move substances opposite a concentration gradient in a cell membrane?
    • A. 

      Diffusion

    • B. 

      Facilitated diffusion

    • C. 

      Osmosis

    • D. 

      Active transport

  • 17. 
    Which term describes the relatively constant (stable) internal physical conditions of an organism?
    • A. 

      A. Cell specialization

    • B. 

      B. Homeostasis

    • C. 

      C. Organ system

    • D. 

      D. Unicellularity

  • 18. 
    The pathway taken by water molecules into the cell is
    • A. 

      Through the cholesterol molecules

    • B. 

      Between the globular proteins

    • C. 

      Between the phospholipids

    • D. 

      Through the peripheral proteins through the peripheral proteins through the peripheral proteins

  • 19. 
    Watering a droopy plant will help restore its shape. Which statement best describes what happens to restore the plant to its original condition?
    • A. 

      Water left the plant leaf cells by diffusion

    • B. 

      Water entered the cells of the leaf by osmosis

    • C. 

      Osmosis caused salts to enter the leaf cells.

    • D. 

      Osmosis caused salts to enter the leaf cells.

  • 20. 
    A word that refers to any complete living thing is
    • A. 

      Tissue

    • B. 

      Organ

    • C. 

      System

    • D. 

      Organism

  • 21. 
    What is the best description of mitosis?
    • A. 

      Mitosis is a type of cell division.

    • B. 

      Mitosis produces two identical cells.

    • C. 

      Mitosis is important in growth.

    • D. 

      All of the answers are correct

  • 22. 
    Which description best explains the process of mitosis?
    • A. 

      One cell transfers all of its information to another cell

    • B. 

      One cell divides into two identical copies of itself

    • C. 

      One cell divides and loses half of its DNA

    • D. 

      One cell divides its DNA into two preexisting cells

  • 23. 
    In which phase of mitosis does the cytoplasm divide?
    • A. 

      Interphase

    • B. 

      Metaphase

    • C. 

      Telophase

    • D. 

      Cytokinesis

  • 24. 
    At what step in cell division do chromosomes make copies of themselves?
    • A. 

      Interphase

    • B. 

      Prophase

    • C. 

      Metaphase

    • D. 

      Telophase

  • 25. 
    Which of the following guide the movement of chromosomes during mitosis?
    • A. 

      Spindle Fibers

    • B. 

      Centrioles

    • C. 

      Nuclear Envelope

    • D. 

      DNA

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