ATI TEAS 7: SCIENCE EXAM QUESTIONS
AND CORRECT DETAILED ANSWERS 2026
VERSION | UPDATED STUDY GUIDE
| GRADED A+ | GUARANTEED SUCCESS
Updated 2026 Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales Included
,1. Which of the following is responsible for carrying amino - tRNA
acids to ribosomes during protein synthesis?
1. What are the steps involved in the scientific method? - Observation, hypothesis, prediction, experimentation, analysis, conclusion.
1. What is the difference between a solid and a liquid? - Solids have a definite shape and volume while liquids have a definite volume but
no fixed shape.
1. Which part of the respiratory system is responsible for - Diaphragm
regulating breathing rate and depth?
1. What is the difference between a monosaccharide and - Monosaccharides are simple sugars that cannot be further broken down into
a disaccharide? simpler sugars while disaccharides are composed of two simple sugars.
1. Which of the following is the process by which DNA is - Transcription
copied into RNA?
1. What is the role of calcium in muscle contraction? - Calcium is released from the sarcoplasmic reticulum to initiate the sliding of
actin and myosin filaments.
1. What is the name of the dome-shaped muscle that - Diaphragm
plays a key role in breathing?
1. What is the role of the epididymis in sperm maturation? - The epididymis stores and protects sperm cells until ejaculation.
1. Which of the following is a function of the respiratory - Exchange of gases between the body and the environment
system?
1. What is the difference between isotonic and isometric - Isotonic contractions produce movement while isometric contractions produce
muscle contractions? no movement.
Which of the following is a characteristic of innate - It provides immediate, non-specific protection.
immunity
1. Which of the following is NOT one of the four primary - Exocrine glandular
tissue types found in the human body?
1. Which of the following is a type of genetic mutation that - Frameshift mutation
involves the insertion or deletion of one or more
nucleotides in a DNA sequence?
1. Which of the following describes the process of - Movement of water molecules from an area of high concentration to an area of
osmosis? low concentration through a selectively permeable membrane.
, 1. Which of the following is a chemical property of a - Reactivity with acid
substance?
1. Which statement best defines the difference between a - A physical change involves the rearrangement of atoms and molecules while a
physical change and a chemical change? chemical change involves the formation of new substances with different chemical
properties.
1. During embryonic development, which of the following - Ectoderm
germ layers forms the nervous system?
1. What is the primary pigment responsible for - Chlorophyll a
photosynthesis in plants?
1. Which of the following is an example of an exothermic - Burning wood
reaction?
1. Which of the following statements is true regarding - Vaccines work by exposing the individual to a weakened or inactivated form of
vaccines? the pathogen
1. What is the function of ribosomes in a cell? - To synthesize proteins in the cell
1. Which of the following is an example of a double-blind - Both participants and researchers do not know which group participants are
study? assigned to
1. What is the name of the hormone that regulates blood - Insulin
sugar levels in the human body?
1. What is the primary physiological function of - Transportation of oxygen to body tissues
erythrocytes in the human circulatory system?
1. What is the name of the joint that allows for rotation of - Shoulder joint
the arm at the shoulder?
1. What is the name of the valve that separates the left - Mitral valve
atrium and left ventricle in the heart?
1. What is the molecular geometry of a molecule of - Bent
sulphur dioxide (SO2)?
1. What is the name of the genetic disorder caused by the - Down syndrome
presence of an extra chromosome 21?
1. Which of the following types of RNA carries amino - Transfer RNA
acids to the ribosome during protein synthesis?
1. What are the five regions of the vertebral column, - Cervical, thoracic, lumbar, sacral, coccygeal
starting from the top and moving downwards?
AND CORRECT DETAILED ANSWERS 2026
VERSION | UPDATED STUDY GUIDE
| GRADED A+ | GUARANTEED SUCCESS
Updated 2026 Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales Included
,1. Which of the following is responsible for carrying amino - tRNA
acids to ribosomes during protein synthesis?
1. What are the steps involved in the scientific method? - Observation, hypothesis, prediction, experimentation, analysis, conclusion.
1. What is the difference between a solid and a liquid? - Solids have a definite shape and volume while liquids have a definite volume but
no fixed shape.
1. Which part of the respiratory system is responsible for - Diaphragm
regulating breathing rate and depth?
1. What is the difference between a monosaccharide and - Monosaccharides are simple sugars that cannot be further broken down into
a disaccharide? simpler sugars while disaccharides are composed of two simple sugars.
1. Which of the following is the process by which DNA is - Transcription
copied into RNA?
1. What is the role of calcium in muscle contraction? - Calcium is released from the sarcoplasmic reticulum to initiate the sliding of
actin and myosin filaments.
1. What is the name of the dome-shaped muscle that - Diaphragm
plays a key role in breathing?
1. What is the role of the epididymis in sperm maturation? - The epididymis stores and protects sperm cells until ejaculation.
1. Which of the following is a function of the respiratory - Exchange of gases between the body and the environment
system?
1. What is the difference between isotonic and isometric - Isotonic contractions produce movement while isometric contractions produce
muscle contractions? no movement.
Which of the following is a characteristic of innate - It provides immediate, non-specific protection.
immunity
1. Which of the following is NOT one of the four primary - Exocrine glandular
tissue types found in the human body?
1. Which of the following is a type of genetic mutation that - Frameshift mutation
involves the insertion or deletion of one or more
nucleotides in a DNA sequence?
1. Which of the following describes the process of - Movement of water molecules from an area of high concentration to an area of
osmosis? low concentration through a selectively permeable membrane.
, 1. Which of the following is a chemical property of a - Reactivity with acid
substance?
1. Which statement best defines the difference between a - A physical change involves the rearrangement of atoms and molecules while a
physical change and a chemical change? chemical change involves the formation of new substances with different chemical
properties.
1. During embryonic development, which of the following - Ectoderm
germ layers forms the nervous system?
1. What is the primary pigment responsible for - Chlorophyll a
photosynthesis in plants?
1. Which of the following is an example of an exothermic - Burning wood
reaction?
1. Which of the following statements is true regarding - Vaccines work by exposing the individual to a weakened or inactivated form of
vaccines? the pathogen
1. What is the function of ribosomes in a cell? - To synthesize proteins in the cell
1. Which of the following is an example of a double-blind - Both participants and researchers do not know which group participants are
study? assigned to
1. What is the name of the hormone that regulates blood - Insulin
sugar levels in the human body?
1. What is the primary physiological function of - Transportation of oxygen to body tissues
erythrocytes in the human circulatory system?
1. What is the name of the joint that allows for rotation of - Shoulder joint
the arm at the shoulder?
1. What is the name of the valve that separates the left - Mitral valve
atrium and left ventricle in the heart?
1. What is the molecular geometry of a molecule of - Bent
sulphur dioxide (SO2)?
1. What is the name of the genetic disorder caused by the - Down syndrome
presence of an extra chromosome 21?
1. Which of the following types of RNA carries amino - Transfer RNA
acids to the ribosome during protein synthesis?
1. What are the five regions of the vertebral column, - Cervical, thoracic, lumbar, sacral, coccygeal
starting from the top and moving downwards?
