TEAS practice test (science portion) Exam (Latest Update)
Questions and Verified Answers| 100% Correct| Grade A+
A cell uses which of the following as the first-line of defense against mutations during DNA replication?
a) cell death
b) excision repair
c) mismatch repair
d) DNA polymerase proofreading - answer-DNA polymerase proofreading
After passing through the stomach, food enters into what structure?
a) duodenum
b) jejunum
c) ileum
d) cecum - answer-Duodenum
Which of the following is the term given to multiple forms of a gene that are produced by mutation?
a) adaptation
b) DNA
c) allele
d) natural selection - answer-Allele
During mitosis and cell division, spindle fibers are associated with what organelle?
a) centrosomes
b) lysosomes
c) mitochondria
d) vacuoles - answer-Centrosome
In which of the following parts of the gastrointestinal tract does that absorption of water primarily
occur?
a) stomach
,b) small intestine
c) cecum
d) colon - answer-Colon
During which of the following stages of development do individual tissue layers begin to form?
a) embryo formation
b) zygote development
c) gastrulation
d) differentiation - answer-Gastrulation
Which of the following represents the number of different cells formed upon completion of mitosis II?
a) 1
b) 2
c) 3
d) 4 - answer-4
Which of the following is a property of bases?
a) tastes sour
b) dissolves metal
c) turns blue litmus paper red
d) liberates OH- in solution - answer-Liberates OH- in solution
During which of the following stage of interphase is mRNA synthesized?
a) G1
b) Prophase
c) S
d) M - answer-G1
A harmful example of a catalytic reaction involves the breakdown of ozone by use of_______
, a) chlorine ions
b) fluorine ions
c) manganese dioxide
d) rhodium - answer-Chlorine ions
Phenotypes are seen due to the production of ___ from the genotypic code found in the cell nucleus
a) cell membranes
b) golgi bodies
c) lysosomes
d) proteins - answer-Proteins
Receiving a vaccination against a particular disease results in which of the following types of immunity?
a) passive
b) active
c) humoral
d) cell-mediated - answer-Active
The veins of the upper part of the body are responsible for transporting blood to what area of the
heart?
a) superior vena cava
b) inferior vena cava
c) ascending aorta
d) descending aorta - answer-Superior vena cava
The spleen and thoracic duct are part of which system?
a) endocrine
b) reproductive
c) lymphatic
d) urinary - answer-Lymphatic
Questions and Verified Answers| 100% Correct| Grade A+
A cell uses which of the following as the first-line of defense against mutations during DNA replication?
a) cell death
b) excision repair
c) mismatch repair
d) DNA polymerase proofreading - answer-DNA polymerase proofreading
After passing through the stomach, food enters into what structure?
a) duodenum
b) jejunum
c) ileum
d) cecum - answer-Duodenum
Which of the following is the term given to multiple forms of a gene that are produced by mutation?
a) adaptation
b) DNA
c) allele
d) natural selection - answer-Allele
During mitosis and cell division, spindle fibers are associated with what organelle?
a) centrosomes
b) lysosomes
c) mitochondria
d) vacuoles - answer-Centrosome
In which of the following parts of the gastrointestinal tract does that absorption of water primarily
occur?
a) stomach
,b) small intestine
c) cecum
d) colon - answer-Colon
During which of the following stages of development do individual tissue layers begin to form?
a) embryo formation
b) zygote development
c) gastrulation
d) differentiation - answer-Gastrulation
Which of the following represents the number of different cells formed upon completion of mitosis II?
a) 1
b) 2
c) 3
d) 4 - answer-4
Which of the following is a property of bases?
a) tastes sour
b) dissolves metal
c) turns blue litmus paper red
d) liberates OH- in solution - answer-Liberates OH- in solution
During which of the following stage of interphase is mRNA synthesized?
a) G1
b) Prophase
c) S
d) M - answer-G1
A harmful example of a catalytic reaction involves the breakdown of ozone by use of_______
, a) chlorine ions
b) fluorine ions
c) manganese dioxide
d) rhodium - answer-Chlorine ions
Phenotypes are seen due to the production of ___ from the genotypic code found in the cell nucleus
a) cell membranes
b) golgi bodies
c) lysosomes
d) proteins - answer-Proteins
Receiving a vaccination against a particular disease results in which of the following types of immunity?
a) passive
b) active
c) humoral
d) cell-mediated - answer-Active
The veins of the upper part of the body are responsible for transporting blood to what area of the
heart?
a) superior vena cava
b) inferior vena cava
c) ascending aorta
d) descending aorta - answer-Superior vena cava
The spleen and thoracic duct are part of which system?
a) endocrine
b) reproductive
c) lymphatic
d) urinary - answer-Lymphatic
