TEAS 7 SCIENCE EXAM LATEST UPDATE 2026 /2027
QUESTIONS AND ANSWERS VERIFIED 100% /
GRADED A+
In which of the following areas does protein breakdown begin in the
human body?
a) mouth
b) stomach
c) small intestine
d) large intestine - CORRECT ANSWER - a) mouth
Which of the following cell types is responsible for the production of
soluble antibodies?
a) cytotoxic T cells
b) macropage cell
c) helper t cells
d) B cells - CORRECT ANSWER - d) B cells
Which of the following organ systems is responsible for transporting
nutrients, wastes, and other substances through out the human body?
a) respiratory
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,b) immune
c) nervous
d) circulatory - CORRECT ANSWER - d) circulatory
Which of the following is characteristic of the human organism?
a) autotrophic with a genome stored in DNA
b) heterotrophic with a genome stored in DNA
c) autotrophic with a genome stored in RNA
d) heterotrophic with a genome stored in RNA - CORRECT ANSWER -
b) heterotrophic with a genome stored in DNA
Which of the following is the function of the lymph nodes in
mammals?
a) pump oxygen into tissues spaces
b) store extra glucose for emergencies
c) synthesize hemoglobin for erthrocytes
d) filter debris from intracellular spaces - CORRECT ANSWER - d) filter
debris from intracellular spaces
The bands in the muscle sarcomere are formed by actin and which of
the following other proteins?
a) myosin
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,b) dynein
c) keratin
d) myofibril - CORRECT ANSWER - a) myosin
Which of the following structures within a human cell is responsible
for recycling the material no longer functional or needed within the
cell?
a) ribosome
b) lysosome
c) mitochondrion
d) nucleolus - CORRECT ANSWER - b) lysosome
Which of the following is the correct structure and function of the cell
membrane?
a) a double glycoprotein structure with embedded lipid bodies
provides shape and rigidity to the cytoplasm
b) A double layer of phosphate proteins with lipid channels allows
molecules to pass from the inside to the outside of cells
c) nonpolar phosphate heads and polar lips tails form a bilayer to
control the transport of proteins
d) a phospholipid bilayer with embedded proteins regulates molecules
entering and leaving cytoplasm - CORRECT ANSWER - d) a
phospholipid bilayer with embedded proteins regulates molecules
entering and leaving cytoplasm
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, Which of the following chemical compounds prevents the lungs from
collapsing?
a) mucus
b) surfactant
c) enzymes
d) buffers - CORRECT ANSWER - b) surfactant
Which of the following structures diverts food into the esophagus and
prevents it from entering the lungs?
a) uvula
b) soft palate
c) tonsils
d) epiglottis - CORRECT ANSWER - d) epiglottis
Which of the following terms related to the respiratory system refers
to the voice box for sound production?
a) pharynx
b) trachea
c) larynx
d) uvula - CORRECT ANSWER - c) larynx
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QUESTIONS AND ANSWERS VERIFIED 100% /
GRADED A+
In which of the following areas does protein breakdown begin in the
human body?
a) mouth
b) stomach
c) small intestine
d) large intestine - CORRECT ANSWER - a) mouth
Which of the following cell types is responsible for the production of
soluble antibodies?
a) cytotoxic T cells
b) macropage cell
c) helper t cells
d) B cells - CORRECT ANSWER - d) B cells
Which of the following organ systems is responsible for transporting
nutrients, wastes, and other substances through out the human body?
a) respiratory
1|Page
,b) immune
c) nervous
d) circulatory - CORRECT ANSWER - d) circulatory
Which of the following is characteristic of the human organism?
a) autotrophic with a genome stored in DNA
b) heterotrophic with a genome stored in DNA
c) autotrophic with a genome stored in RNA
d) heterotrophic with a genome stored in RNA - CORRECT ANSWER -
b) heterotrophic with a genome stored in DNA
Which of the following is the function of the lymph nodes in
mammals?
a) pump oxygen into tissues spaces
b) store extra glucose for emergencies
c) synthesize hemoglobin for erthrocytes
d) filter debris from intracellular spaces - CORRECT ANSWER - d) filter
debris from intracellular spaces
The bands in the muscle sarcomere are formed by actin and which of
the following other proteins?
a) myosin
2|Page
,b) dynein
c) keratin
d) myofibril - CORRECT ANSWER - a) myosin
Which of the following structures within a human cell is responsible
for recycling the material no longer functional or needed within the
cell?
a) ribosome
b) lysosome
c) mitochondrion
d) nucleolus - CORRECT ANSWER - b) lysosome
Which of the following is the correct structure and function of the cell
membrane?
a) a double glycoprotein structure with embedded lipid bodies
provides shape and rigidity to the cytoplasm
b) A double layer of phosphate proteins with lipid channels allows
molecules to pass from the inside to the outside of cells
c) nonpolar phosphate heads and polar lips tails form a bilayer to
control the transport of proteins
d) a phospholipid bilayer with embedded proteins regulates molecules
entering and leaving cytoplasm - CORRECT ANSWER - d) a
phospholipid bilayer with embedded proteins regulates molecules
entering and leaving cytoplasm
3|Page
, Which of the following chemical compounds prevents the lungs from
collapsing?
a) mucus
b) surfactant
c) enzymes
d) buffers - CORRECT ANSWER - b) surfactant
Which of the following structures diverts food into the esophagus and
prevents it from entering the lungs?
a) uvula
b) soft palate
c) tonsils
d) epiglottis - CORRECT ANSWER - d) epiglottis
Which of the following terms related to the respiratory system refers
to the voice box for sound production?
a) pharynx
b) trachea
c) larynx
d) uvula - CORRECT ANSWER - c) larynx
4|Page
