TEAS TEAS-SECTION-2 Online Practice Questions and Exam Preparation

TEAS TEAS-SECTION-2 Online Questions & Answers

• Question 21:

  In a chemical reaction: sulfuric acid + substance x = salt + water + carbon dioxide

  What could substance x be?

  A. copper(II) oxide
  B. potassium
  C. sodium carbonate
  D. magnesium hydroxide
  C. sodium carbonate

• Question 22:

  What is the longest phase of the cell cycle?

  A. mitosis
  B. cytokinesis
  C. interphase
  D. metaphase
  C. interphase

  ---

  Interphase is the period when the DNA is replicated (or when the chromosomes are replicated) and is the longest part of the cell cycle.

• Question 23:

  Cardiac muscles exhibit which of these features?

  A. striated, involuntary, intercalated discs not present
  B. striated, involuntary, intercalated discs present
  C. striated, voluntary, intercalated discs present
  D. unstriated, involuntary, intercalated discs present
  B. striated, involuntary, intercalated discs present

• Question 24:

  What name is given to the space between the axon of one neuron and the dendrite of the next?

  A. the band gap
  B. nerve impulse
  C. the neurotransmitter
  D. the synapse
  D. the synapse

• Question 25:

  Which of these represents the correct order of some of the main energy changes that take place in a coal-fired power station?

  A. chemical, heat, kinetic, electrical
  B. kinetic, heat, electrical, chemical
  C. chemical, electrical, heat, kinetic
  D. heat, chemical, kinetic, electrical
  A. chemical, heat, kinetic, electrical

• Question 26:

  Carbohydrates are macromolecules that can be divided into three main types. Name the types of carbohydrates.

  A. monosaccharides, disaccharides, and polysaccharides
  B. monosaccharides, polysaccharides, and glycosidic bonds
  C. lipids, proteins, and nucleic acids
  D. sugar, starch, and proteins
  A. monosaccharides, disaccharides, and polysaccharides

• Question 27:

  Which of these is an example of protein-related malnutrition?

  A. scurvy
  B. kwashiorkor
  C. rickets
  D. anemia
  B. kwashiorkor

• Question 28:

  Fill in the blanks:

  Enzymes are __________ that work best at __________ pH or temperature.

  A. biological catalysts, optimum
  B. organic catalysts, minimum
  C. inorganic catalysts, maximum
  D. chemical substances, moderate
  A. biological catalysts, optimum

• Question 29:

  Which of these statements regarding the process of fermentation is true?

  A. It is an example of tissue respiration where yeast acts on carbohydrates to produce oxygen and alcohol.
  B. It is an example of an aerobic process where yeast acts on a sugar solution to produce oxygen and alcohol.
  C. It is an example of an anaerobic process where bacteria act on a protein solution to produce carbon dioxide and alcohol.
  D. It is an example of an anaerobic process where yeast acts on a sugar solution to produce carbon dioxide and alcohol.
  D. It is an example of an anaerobic process where yeast acts on a sugar solution to produce carbon dioxide and alcohol.

• Question 30:

  Balance the following chemical equation by filling in the coefficients that should go in the blanks:

  ____Na +____H2O ____NaOH + H2

  A. 2Na + 2H2O 4NaOH + H2
  B. 2Na + H2O 3NaOH + H2
  C. 3Na + 3H2O 3NaOH + H2
  D. 2Na + 2H2O 2NaOH + H2
  D. 2Na + 2H2O 2NaOH + H2