Ncfe Review- Most Commonly Missed Questions

22 Questions | Total Attempts: 89

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Ncfe Review- Most Commonly Missed Questions


Questions and Answers
  • 1. 
    What is the main function of the vomiting reflex? 
    • A. 

      Rid the body of wastes 

    • B. 

      Expel food that has no nutritional value

    • C. 

      Empty stomach when it has too much food 

    • D. 

      Remove toxic material from the stomach before it is absorbed

  • 2. 
    How do the digestive and the circulatory system work together within the human body?
    • A. 

      Digestive system send electrical messages, while the circulatory system responds to the messages

    • B. 

      Digestive system provides structure for the body, while the circulatory system directs the movement

    • C. 

      Digestive system removes liquid toxins from body, while the circulatory system removes the solid waste

    • D. 

      Digestive system extracts nutrients from food, while the circulatory system transports those nutrients

  • 3. 
    Use the diagram- Which body system would include the movement and works in coordination with the skeletal system?
    • A. 

      Muscular

    • B. 

      Digestive

    • C. 

      Circulatory

    • D. 

      Respiratory

  • 4. 
    What is blood clotting made possible by?
    • A. 

      White blood cells

    • B. 

      Red blood cells

    • C. 

      Platelets

    • D. 

      Plasma

  • 5. 
    _________________ : soldiers  within the circulatory system
    • A. 

      White blood cells

    • B. 

      Red blood cells

    • C. 

      Plasma

    • D. 

      Platelets

  • 6. 
    The major function or purpose of B-cells within the body would be to.... 
    • A. 

      Produce antibodies 

    • B. 

      Kill off invading threats 

    • C. 

      They are dangerous to your body and as a result can kill you 

    • D. 

      None of the above 

  • 7. 
    In the human body, the primary function of this body system is the movement of bones, body fluids, and food....
    • A. 

      Digestive 

    • B. 

      Skeletal 

    • C. 

      Circulatory

    • D. 

      Muscular

  • 8. 
    Homeostasis helps to regulate which of the following...
    • A. 

      Blood pressure

    • B. 

      Blood sugar

    • C. 

      Heat/cold (body temperature)

    • D. 

      Amount of water/salts body has taken in

  • 9. 
    All of the following are cell characteristics, identify which type of cell it would be? - Cell Membrane -Cytoplasm -Ribosomes -DNA
    • A. 

      Prokaryotic Cells

    • B. 

      Eukaryotic Cells

    • C. 

      Both Prokaryotes and Eukaryotes 

    • D. 

      None of the above

  • 10. 
    In which way are a euglena and a volvox different?
    • A. 

      A euglena is an individual cell, while a volvox is a colony of cells.

    • B. 

      A euglena uses cilia to move, while a volvox uses flagella to move.

    • C. 

      A euglena can make its own food, while a volvox must capture its food.

    • D. 

      A euglena only reproduces sexually, while a volvox only reproduces asexually.

  • 11. 
    How do a volvox and an amoeba get their food? 
    • A. 

      A volvox uses eyespots, and an amoeba uses cilia to find food.

    • B. 

      A volvox uses photosynthesis, and an amoeba surrounds its food.

    • C. 

      A volvox surrounds its food, and an amoeba uses cilia to find food.

    • D. 

      A volvox uses pseudopods to find food, and an amoeba uses photosynthesis.

  • 12. 
    Complete the analogy below:  Photosynthesis: Chloroplasts Cellular Respiration: ___________________
    • A. 

      Mitochondria

    • B. 

      Chloroplasts

    • C. 

      ER

    • D. 

      Nucleus 

  • 13. 
    A track runner breathing and heart rate increases while running a race. What would be a possible explanation, based on what you have learned about the certain functions of cell organelles?
    • A. 

      The mitochondria need more oxygen

    • B. 

      The heart is working harder not better during a run

    • C. 

      The nucleus can't keep up with the demands of heart/breathing rates during a run

    • D. 

      The ribosomes are not producing proteins

  • 14. 
    Complete the following analogy Pizza Hut Delivery Guy: City ______________________: Cell organelles
    • A. 

      Nucleus

    • B. 

      ER

    • C. 

      Cell Membrane

    • D. 

      Ribosomes 

  • 15. 
    The Law of Conservation of Energy states that energy cannot be created or destroyed.
    • A. 

      True

    • B. 

      False

  • 16. 
    According to the Law of Conservation of Energy, in theory, a bouncy ball will not stop bouncing.  However, we know that it will stop. Where did the energy go?
    • A. 

      The energy gets converted into sound energy and escapes into the surroundings

    • B. 

      The energy gets converted into thermal energy and escapes into the surroundings

    • C. 

      Both A and B

    • D. 

      None of the above

  • 17. 
     A rubber ball falling vertically bounces off a concrete floor. Just as the ball begins to bounce up, all of its energy is kinetic. According to the Law of Conservation of Energy, what forms of energy will this kinetic energy convert to?
    • A. 

      Thermal, sound , and radiant energy

    • B. 

      Chemical potential energy, thermal, radiant 

    • C. 

      Gravitational potential energy, thermal, sound

    • D. 

      Gravitational potential energy, chemical, sound

  • 18. 
    What forms of energy increases as a rocket blasts off?
    • A. 

      Chemical potential & gravitational potential energy

    • B. 

       gravitational potential and kinetic

    • C. 

      Chemical potential and kinetic energy

    • D. 

      Kinetic and thermal 

  • 19. 
    What will happen to the gravitational potential energy of a rock as it is moving down the hill during a landslide?
    • A. 

      It will decrease

    • B. 

      It will increase

    • C. 

      It will not change

    • D. 

      The mass of the rock will increase

  • 20. 
    Which forms of energy would you find in a jack in the box? (choose more than one answer!)
    • A. 

      Sound energy

    • B. 

       mechanical energy

    • C. 

      Radiant energy

    • D. 

      Electrical energy

  • 21. 
    Kinetic Energy is determined by which two factors
    • A. 

      Speed

    • B. 

      Mass

    • C. 

      Both A and B

    • D. 

      Direction

  • 22. 
    Which two factors will impact the amount of gravitational potential energy an object will have?
    • A. 

      Height 

    • B. 

      Mass

    • C. 

      Speed

    • D. 

      Transformations

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