TEAS practice test science portion

TEAS practice test (science portion) / Key Questions with 100% Correct Answers, verified 2025 / 2026.Quiz____?Breakdown of what begins in the small intestine?

• protein
• fats
• fiber
• carbohydrates -

Answer✓✓ Fats Quiz____?In geology, what is considered a significant departure from previous ideas?

• ideology
• theoretical refinement
• a paradigm shift
• model adjustment -

Answer✓✓ A paradigm shift Quiz____?What describes the increase in alleles that permits a species to survive and reproduce better in an environment from generation to generation?Page 1 of 50 1 / 4

a) DNA

b) Genetic drift

c) Mutation

• adaptation -

Answer✓✓ Adaptation Quiz____?What nervous systems directs the bodies flight or flight response?

• peripheral
• central
• parasympathetic
• sympathetic -

Answer✓✓ Sympathetic Quiz____?What is used in quantitative investigations?

• sensory information
• numerical information
• phenomenological research
• ethnographic research -

Answer✓✓ Numerical information Quiz____?Page 2 of 50 2 / 4

Which of the following taxonomic ranks is the most general? Order, genus, phylum, family

• order
• genus
• phylum
• family -

Answer✓✓ Phylum Quiz____?Water undergoes relatively minor temperature and phase changes compared to other substances due to both its what?

• low specific heat and low vaporization
• low specific heat and high heat vaporization
• high specific heat and low heat of vaporization
• high specific heat and high heat of vaporization -

Answer✓✓ High specific heat and high heat of vaporization Quiz____?What is an example of hydrocarbons containing double bonds?

a) C2H6

b) C4H8

c) C6H10

d) C8H12 -

Answer✓✓ C4H8 Page 3 of 50 3 / 4

Quiz____?What represents the correct order of scientific process?

• hypothesis, data, analysis
• hypothesis, analysis, data
• data, hypothesis, analysis
• data, analysis, hypothesis -

Answer✓✓ Hypothesis, data, analysis Quiz____?What organ system supplies the body cells with oxygen and nutrients?

• cardiovascular
• digestive
• nervous
• immune -

Answer✓✓ Cardiovascular Quiz____?Through what does blood pass after leaving the right ventricle during contraction of the heart?

• aorta
• pulmonary artery
• vena cava
• mitral valve -

Answer✓✓ Page 4 of 50

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