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MDCAT Question Bank

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1009 available questions

Biology · Question 561

The chief cells at the base of the gastric glands secrete:

  1. Trypsinogen
  2. Pepsin
  3. Trypsin
  4. Pepsinogen
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Correct answer: D

Pepsinogen

Biology · Question 562

The coelom is lined by which of the following?

  1. Parietal mesoderm
  2. Visceral mesoderm
  3. Mesoderm
  4. Both A and B
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Correct answer: C

Mesoderm

Biology · Question 563

The complete, mature, and infectious virus particle is known as:

  1. Capsid
  2. Virion
  3. Bacteriophage
  4. Nucleus
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Correct answer: B

Virion

Biology · Question 564

The random change in allele frequencies is known as:

  1. Genetic drift
  2. Diversity
  3. Linkage
  4. All of these
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Correct answer: A

Genetic drift

Biology · Question 565

Who coined the term animalcules for microorganisms such as bacteria and protozoa?

  1. Robert Koch
  2. Louis Pasteur
  3. Alexander Fleming
  4. Antonie van Leeuwenhoek
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Correct answer: D

Antonie van Leeuwenhoek

Biology · Question 566

The larynx is also called the:

  1. Glottis
  2. Voice box
  3. Epiglottis
  4. Both B and C
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Correct answer: B

Voice box

Biology · Question 567

Which one of the following surrounds the testicles?

  1. Penis
  2. Urethra
  3. Sperm duct
  4. Scrotum
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Correct answer: D

Scrotum

Biology · Question 568

The main target in the prevention of lung cancer is eliminating:

  1. Tobacco smoking
  2. Chemicals
  3. Pollutants
  4. Mutagens
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Correct answer: A

Tobacco smoking

Physics · Question 569

Which law is based upon the law of conservation of energy?

  1. Lenz's law
  2. Faraday's law
  3. Ohm's law
  4. Coulomb's law
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Correct answer: A

Lenz's law

Physics · Question 570

Two identical charges are placed a certain distance apart in air. If a brass plate is introduced between them, the force between them will:

  1. Increase
  2. Decrease
  3. Remain the same
  4. Not be predicted
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Correct answer: B

Decrease