TEAS PRACTICE TEST (SCIENCE
PORTION)EXAM WITH ACTUAL
CORRECT QUESTIONS AND VERIFIED
DETAILED ANSWERS|FREQUENTLY
TESTED QUESTIONS AND
SOLUTIONS|NEWEST|GUARANTEED
PASS 2026/2027
What describes the increase in alleles that permits a species to survive and reproduce better in an
environment from generation to generation?
a) DNA
b) Genetic drift
c) Mutation
d) adaptation
Adaptation
What nervous systems directs the bodies fight or fight response?
a) peripheral
b) central
c) parasympathetic
d) sympathetic
Sympathetic
What is used in quantitative investigations?
a) sensory information
b) numerical information
c) phenomenological research
d) ethnographic research
Numerical information
Which of the following taxonomic ranks is the most general? Order, genus, phylum, family
a) order
b) genus
c) phylum
d) family
1|Page
,Phylum
Water undergoes relatively minor temperature and phase changes compared to other substances due to
both its what?
a) low specific heat and low vaporization
b) low specific heat and high heat vaporization
c) high specific heat and low heat of vaporization
d) high specific heat and high heat of vaporization
High specific heat and high heat of vaporization
What is an example of hydrocarbons containing double bonds?
a) C2H6
b) C4H8
c) C6H10
d) C8H12
C4H8
What represents the correct order of scientific process?
a) hypothesis, data, analysis
b) hypothesis, analysis, data
c) data, hypothesis, analysis
d) data, analysis, hypothesis
Hypothesis, data, analysis
What organ system supplies the body cells with oxygen and nutrients?
a) cardiovascular
b) digestive
c) nervous
d) immune
Cardiovascular
Through what does blood pass after leaving the right ventricle during contraction of the heart?
a) aorta
b) pulmonary artery
c) vena cava
d) mitral valve
Pulmonary artery
What organ system supplies the body with oxygen and removes carbon dioxide?
a) integumentary
b) endocrine
c) respiratory
d) renal
Respiratory
2|Page
, What is responsible for the peristalsis that occurs in the digestive tract?
a) smooth muscle
b) skeletal muscle
c) connective tissue
d) subcutaneous tissue
Smooth muscle
A proton should have what two characteristics when compared to the charge and the mass of an
electron?
a) the same charge and the same mass
b) the same charge and larger mass
c) an opposite charge and same mass
d) an opposite charge and larger mass
An opposite charge and a larger mass
The spine is part of what system?
a) lymphatic
b) nervous
c) skeletal
d) endocrine
Skeletal
If two gases (A and B) that have detectable odors and the same temperature are released
simultaneously on one side of a room, and the odor of Gas A is noticed one minute before that of Gas B,
what conclusion can be made?
a) gas A has higher density than gas B
b) gas B has higher density than gas A
c) The opening in the container of Gas A is larger than that of Gas B
d) The opening in the container of Gas B is larger than that of Gas A
Gas B has a higher density than Gas A
What describes a substance that is completely ionized in its solution and has a pH of 2?
a) strong acid
b) strong base
c) weak acid
d) weak base
Strong acid
What organs are immune cells produced ?
a) tonsils
b) spleen
c) lymph nodes
d) bone marrow
3|Page
PORTION)EXAM WITH ACTUAL
CORRECT QUESTIONS AND VERIFIED
DETAILED ANSWERS|FREQUENTLY
TESTED QUESTIONS AND
SOLUTIONS|NEWEST|GUARANTEED
PASS 2026/2027
What describes the increase in alleles that permits a species to survive and reproduce better in an
environment from generation to generation?
a) DNA
b) Genetic drift
c) Mutation
d) adaptation
Adaptation
What nervous systems directs the bodies fight or fight response?
a) peripheral
b) central
c) parasympathetic
d) sympathetic
Sympathetic
What is used in quantitative investigations?
a) sensory information
b) numerical information
c) phenomenological research
d) ethnographic research
Numerical information
Which of the following taxonomic ranks is the most general? Order, genus, phylum, family
a) order
b) genus
c) phylum
d) family
1|Page
,Phylum
Water undergoes relatively minor temperature and phase changes compared to other substances due to
both its what?
a) low specific heat and low vaporization
b) low specific heat and high heat vaporization
c) high specific heat and low heat of vaporization
d) high specific heat and high heat of vaporization
High specific heat and high heat of vaporization
What is an example of hydrocarbons containing double bonds?
a) C2H6
b) C4H8
c) C6H10
d) C8H12
C4H8
What represents the correct order of scientific process?
a) hypothesis, data, analysis
b) hypothesis, analysis, data
c) data, hypothesis, analysis
d) data, analysis, hypothesis
Hypothesis, data, analysis
What organ system supplies the body cells with oxygen and nutrients?
a) cardiovascular
b) digestive
c) nervous
d) immune
Cardiovascular
Through what does blood pass after leaving the right ventricle during contraction of the heart?
a) aorta
b) pulmonary artery
c) vena cava
d) mitral valve
Pulmonary artery
What organ system supplies the body with oxygen and removes carbon dioxide?
a) integumentary
b) endocrine
c) respiratory
d) renal
Respiratory
2|Page
, What is responsible for the peristalsis that occurs in the digestive tract?
a) smooth muscle
b) skeletal muscle
c) connective tissue
d) subcutaneous tissue
Smooth muscle
A proton should have what two characteristics when compared to the charge and the mass of an
electron?
a) the same charge and the same mass
b) the same charge and larger mass
c) an opposite charge and same mass
d) an opposite charge and larger mass
An opposite charge and a larger mass
The spine is part of what system?
a) lymphatic
b) nervous
c) skeletal
d) endocrine
Skeletal
If two gases (A and B) that have detectable odors and the same temperature are released
simultaneously on one side of a room, and the odor of Gas A is noticed one minute before that of Gas B,
what conclusion can be made?
a) gas A has higher density than gas B
b) gas B has higher density than gas A
c) The opening in the container of Gas A is larger than that of Gas B
d) The opening in the container of Gas B is larger than that of Gas A
Gas B has a higher density than Gas A
What describes a substance that is completely ionized in its solution and has a pH of 2?
a) strong acid
b) strong base
c) weak acid
d) weak base
Strong acid
What organs are immune cells produced ?
a) tonsils
b) spleen
c) lymph nodes
d) bone marrow
3|Page
