TEAS 7 SCIENCE PRACTICE TEST 1 &2 Exam (Latest
Update) Questions and Verified Answers| 100% Correct|
Grade A+
Which of the following best describes one of the roles of RNA?
a) Manufacturing the proteins needed for DNA
b) Creating the bonds between the elements that compose DNA
c) Sending messages about the correct sequence of proteins in DNA
d) Forming the identifiable double helix shape of DNA - answer-c) Sending messages about the correct
sequence of proteins in DNA
What type of chemical bond connects the oxygen and hydrogen atoms in a molecule of water?
a) Static bond
b) Aquatic bond
c) Ionic bond
d) Covalent bond - answer-d) Covalent bond
Which of the following statements accurately characterizes the relationship between genes and
chromosomes?
a) Each gene contains multiple chromosomes
b) Each chromosome contains multiple genes
c) Genes and chromosomes are two words for the same thing
d) Genes and chromosomes are not the same thing, but always occur in equal numbers - answer-b) Each
chromosome contains multiple genes
Which of the following characteristics is part of a persons genotype?
, a) Brown eyes that appear hazel in the sunlight
b) The CFTR gene, which causes cystic fibrosis
c) Black hair that grows rapidly
d) Being a faster runner - answer-b) The CFTR gene, which causes cystic fibrosis
Which of the following quantities do catalyst alter to control the rate of a chemical reaction?
a) Substrate energy
b) Activation energy
c) Inhibitor energy
d) Promoter energy - answer-b) Activation energy
Which of the following best describes a function carried out by the circulatory system and the
integumentary system working together?
a) Removal of excess heat from body
b) Hormonal influence on blood pressure
c) Regulation of blood's pressure and volume
d) Development of blood cells within marrow - answer-a) Removal of excess heat from body
Which of the following activities are consistent with the scientific method? (Select all that apply)
a) Observe the data, noting potential outliers, and then analyze the results.
b) Research to make sure no one else has ever experimented based on the same hypothesis
c) Conduct an experiment and then formulate a hypothesis that fits the results
d) Communicate the results of an experiment that did not confirm the hypothesis
e) Develop a new hypothesis based on a conclusion from a previous experiment - answer-a) Observe the
data, noting potential outliers, and then analyze the results.
Update) Questions and Verified Answers| 100% Correct|
Grade A+
Which of the following best describes one of the roles of RNA?
a) Manufacturing the proteins needed for DNA
b) Creating the bonds between the elements that compose DNA
c) Sending messages about the correct sequence of proteins in DNA
d) Forming the identifiable double helix shape of DNA - answer-c) Sending messages about the correct
sequence of proteins in DNA
What type of chemical bond connects the oxygen and hydrogen atoms in a molecule of water?
a) Static bond
b) Aquatic bond
c) Ionic bond
d) Covalent bond - answer-d) Covalent bond
Which of the following statements accurately characterizes the relationship between genes and
chromosomes?
a) Each gene contains multiple chromosomes
b) Each chromosome contains multiple genes
c) Genes and chromosomes are two words for the same thing
d) Genes and chromosomes are not the same thing, but always occur in equal numbers - answer-b) Each
chromosome contains multiple genes
Which of the following characteristics is part of a persons genotype?
, a) Brown eyes that appear hazel in the sunlight
b) The CFTR gene, which causes cystic fibrosis
c) Black hair that grows rapidly
d) Being a faster runner - answer-b) The CFTR gene, which causes cystic fibrosis
Which of the following quantities do catalyst alter to control the rate of a chemical reaction?
a) Substrate energy
b) Activation energy
c) Inhibitor energy
d) Promoter energy - answer-b) Activation energy
Which of the following best describes a function carried out by the circulatory system and the
integumentary system working together?
a) Removal of excess heat from body
b) Hormonal influence on blood pressure
c) Regulation of blood's pressure and volume
d) Development of blood cells within marrow - answer-a) Removal of excess heat from body
Which of the following activities are consistent with the scientific method? (Select all that apply)
a) Observe the data, noting potential outliers, and then analyze the results.
b) Research to make sure no one else has ever experimented based on the same hypothesis
c) Conduct an experiment and then formulate a hypothesis that fits the results
d) Communicate the results of an experiment that did not confirm the hypothesis
e) Develop a new hypothesis based on a conclusion from a previous experiment - answer-a) Observe the
data, noting potential outliers, and then analyze the results.
