MCAT Biology And Chemistry Refresher

10 Questions | Total Attempts: 301

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MCAT Biology And Chemistry Refresher

The MCAT (Medical College Admission Test) is run by the Association of American Medical Colleges. The examination has become computer-based since 2007 and is administered 24 times a year. The Medical College Admission Test is an entrance examination for potential medical students in Canada and the United States. This quiz is a refresher for both the MCAT Biology and Chemistry examinations. Take this quiz to refresh your memory on the concepts of the topics involved.


Questions and Answers
  • 1. 
    Of which of the following characteristics does an endangered species have that makes it most vulnerable to extinction?
    • A. 

      A large variety in its diet

    • B. 

      A small amount of genetic diversity

    • C. 

      A high birthrate

    • D. 

      A small amount of competition

  • 2. 
    Which type of cell should contain a mutation so as for the mutation to be passed from a mother to her child?
    • A. 

      Brain cell

    • B. 

      Blood cell

    • C. 

      Skin cell

    • D. 

      Egg cell

  • 3. 
    Which class of organic molecules does salivary amylase break down to?
    • A. 

      Carbohydrates

    • B. 

      Proteins

    • C. 

      Lipids

    • D. 

      Nucleic acids

  • 4. 
    For which of the following functions of the human skeletal system are joints the most important for?
    • A. 

      Blood cell formation

    • B. 

      Protection

    • C. 

      Storage of minerals

    • D. 

      Movement

  • 5. 
    Fatty acids are one amongst the product that results from the action of lipase within the digestive system. What's a way that fatty acids are utilized in the body?
    • A. 

      As the building blocks of antibodies

    • B. 

      As the building blocks of hemoglobin

    • C. 

      For storing energy

    • D. 

      For encoding genetic information

  • 6. 
    Which of the subsequent statements best describes the connection of the kidneys and also the liver to the circulatory system?
    • A. 

      The kidneys and the liver pump blood.

    • B. 

      The kidneys and the liver remove wastes from blood.

    • C. 

      The kidneys and the liver make blood-clotting proteins

    • D. 

      The kidneys and the liver produce blood cells.

  • 7. 
    Which of the subsequent unremarkably results from meiosis in a human cell that contains forty six chromosomes?
    • A. 

      A sperm cell with 23 chromosomes

    • B. 

      An egg cell with 46 chromosomes

    • C. 

      A liver cell with 23 chromosomes

    • D. 

      A blood cell with 46 chromosomes

  • 8. 
    Which of the subsequent matches a cell organelle with its purpose?
    • A. 

      Vacuole-energy production

    • B. 

      Chloroplast-movement

    • C. 

      Nucleus-cell regulation

    • D. 

      Mitochondrion-photosynthesis

  • 9. 
    Which of the subsequent statements best describes the impact of hydrogen ion concentration(pH) on the functioning of salivary amylase?
    • A. 

      Salivary amylase cannot break down starch into maltose at pH values less than 7.

    • B. 

      Salivary amylase functions most effectively at a pH of about 7.

    • C. 

      Salivary amylase breaks down protein instead of starch at pH values greater than 9.

    • D. 

      Salivary amylase functions most effectively at a pH of about 4.

  • 10. 
    The balance of which of the subsequent processes is determined primarily by the amount of water a plant has in its tissues? Which of the subsequent processes amount of water a plant has in its tissues is determined primarily by the balance <g class="gr_ gr_8 gr-alert gr_gramm gr_inline_cards gr_run_anim Style multiReplace" id="8" data-gr-id="8">of ?</g>
    • A. 

      Root absorption and transpiration

    • B. 

      Runoff and root absorption

    • C. 

      Respiration and photosynthesis

    • D. 

      Precipitation and photosynthesis