MCAT Biology And Chemistry Refresher
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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.
- 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
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