ATI TEAS 7: Science Exam NEWEST 2025 COMPLETE
QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |ALREADY GRADED
A+||BRAND NEW VERSION!!
1. Which of the following units is used to indicate length? - CORRECT ANSWER- M
researcher collects data on the number of cars passing through a busy intersection at different
times of the day for a month. This data would be most useful to analyze which of the following:
- CORRECT ANSWER- - traffic patterns during rush hour
1. What is the largest organ in the human body by surface area? - CORRECT ANSWER- - Skin
1. Which of the following describes the function of ligaments? - CORRECT ANSWER- -
Ligaments attach two bones
1. What is the difference between innate and adaptive immunity? - CORRECT ANSWER- -
Innate immunity is present at birth while adaptive immunity is acquired after exposure to
pathogens.
1. Which of the following is responsible for carrying amino acids to ribosomes during protein
synthesis? - CORRECT ANSWER- - tRNA
,1. What are the steps involved in the scientific method? - CORRECT ANSWER- - Observation,
hypothesis, prediction, experimentation, analysis, conclusion.
1. What is the difference between a solid and a liquid? - CORRECT ANSWER- - Solids have a
definite shape and volume while liquids have a definite volume but no fixed shape.
1. What are the three types of salivary glands and where are they located in the mouth? -
CORRECT ANSWER- - Parotid, sublingual, and submandibular glands located in the roof of the
mouth, cheeks, and under the jawbone, respectively.
1. Which of the following substances is excreted by the kidneys to regulate blood pressure? -
CORRECT ANSWER- - Renin
1. What is the chemical formula for water? - CORRECT ANSWER- - H20
1. Which part of the respiratory system is responsible for regulating breathing rate and depth? -
CORRECT ANSWER- - Diaphragm
1. What is the difference between a monosaccharide and a disaccharide? - CORRECT ANSWER-
- Monosaccharides are simple sugars that cannot be further broken down into simpler sugars
while disaccharides are composed of two simple sugars.
1. Which of the following is the process by which DNA is copied into RNA? - CORRECT
ANSWER- - Transcription
1. What is the role of calcium in muscle contraction? - CORRECT ANSWER- - 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 plays a key role in breathing? - CORRECT
ANSWER- - Diaphragm
1. What is the role of the epididymis in sperm maturation? - CORRECT ANSWER- - The
epididymis stores and protects sperm cells until ejaculation.
1. Which of the following is a function of the respiratory system? - CORRECT ANSWER- -
Exchange of gases between the body and the environment
1. What is the difference between isotonic and isometric muscle contractions? - CORRECT
ANSWER- - Isotonic contractions produce movement while isometric contractions produce no
movement.
Which of the following is a characteristic of innate immunity - CORRECT ANSWER- - It provides
immediate, non-specific protection.
1. Which of the following is NOT one of the four primary tissue types found in the human body?
- CORRECT ANSWER- - Exocrine glandular
1. Which of the following is a type of genetic mutation that involves the insertion or deletion of
one or more nucleotides in a DNA sequence? - CORRECT ANSWER- - Frameshift mutation
1. Which of the following describes the process of osmosis? - CORRECT ANSWER- - Movement
of water molecules from an area of high concentration to an area of low concentration through
a selectively permeable membrane.
1. Which of the following is a chemical property of a substance? - CORRECT ANSWER- -
Reactivity with acid
, 1. Which statement best defines the difference between a physical change and a chemical
change? - CORRECT ANSWER- - A physical change involves the rearrangement of atoms and
molecules while a chemical change involves the formation of new substances with different
chemical properties.
1. During embryonic development, which of the following germ layers forms the nervous
system? - CORRECT ANSWER- - Ectoderm
1. What is the primary pigment responsible for photosynthesis in plants? - CORRECT ANSWER-
- Chlorophyll a
1. Which of the following is an example of an exothermic reaction? - CORRECT ANSWER- -
Burning wood
1. Which of the following statements is true regarding vaccines? - CORRECT ANSWER- -
Vaccines work by exposing the individual to a weakened or inactivated form of the pathogen
1. What is the function of ribosomes in a cell? - CORRECT ANSWER- - To synthesize proteins in
the cell
1. Which of the following is an example of a double-blind study? - CORRECT ANSWER- - Both
participants and researchers do not know which group participants are assigned to
1. What is the name of the hormone that regulates blood sugar levels in the human body? -
CORRECT ANSWER- - Insulin
QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |ALREADY GRADED
A+||BRAND NEW VERSION!!
1. Which of the following units is used to indicate length? - CORRECT ANSWER- M
researcher collects data on the number of cars passing through a busy intersection at different
times of the day for a month. This data would be most useful to analyze which of the following:
- CORRECT ANSWER- - traffic patterns during rush hour
1. What is the largest organ in the human body by surface area? - CORRECT ANSWER- - Skin
1. Which of the following describes the function of ligaments? - CORRECT ANSWER- -
Ligaments attach two bones
1. What is the difference between innate and adaptive immunity? - CORRECT ANSWER- -
Innate immunity is present at birth while adaptive immunity is acquired after exposure to
pathogens.
1. Which of the following is responsible for carrying amino acids to ribosomes during protein
synthesis? - CORRECT ANSWER- - tRNA
,1. What are the steps involved in the scientific method? - CORRECT ANSWER- - Observation,
hypothesis, prediction, experimentation, analysis, conclusion.
1. What is the difference between a solid and a liquid? - CORRECT ANSWER- - Solids have a
definite shape and volume while liquids have a definite volume but no fixed shape.
1. What are the three types of salivary glands and where are they located in the mouth? -
CORRECT ANSWER- - Parotid, sublingual, and submandibular glands located in the roof of the
mouth, cheeks, and under the jawbone, respectively.
1. Which of the following substances is excreted by the kidneys to regulate blood pressure? -
CORRECT ANSWER- - Renin
1. What is the chemical formula for water? - CORRECT ANSWER- - H20
1. Which part of the respiratory system is responsible for regulating breathing rate and depth? -
CORRECT ANSWER- - Diaphragm
1. What is the difference between a monosaccharide and a disaccharide? - CORRECT ANSWER-
- Monosaccharides are simple sugars that cannot be further broken down into simpler sugars
while disaccharides are composed of two simple sugars.
1. Which of the following is the process by which DNA is copied into RNA? - CORRECT
ANSWER- - Transcription
1. What is the role of calcium in muscle contraction? - CORRECT ANSWER- - 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 plays a key role in breathing? - CORRECT
ANSWER- - Diaphragm
1. What is the role of the epididymis in sperm maturation? - CORRECT ANSWER- - The
epididymis stores and protects sperm cells until ejaculation.
1. Which of the following is a function of the respiratory system? - CORRECT ANSWER- -
Exchange of gases between the body and the environment
1. What is the difference between isotonic and isometric muscle contractions? - CORRECT
ANSWER- - Isotonic contractions produce movement while isometric contractions produce no
movement.
Which of the following is a characteristic of innate immunity - CORRECT ANSWER- - It provides
immediate, non-specific protection.
1. Which of the following is NOT one of the four primary tissue types found in the human body?
- CORRECT ANSWER- - Exocrine glandular
1. Which of the following is a type of genetic mutation that involves the insertion or deletion of
one or more nucleotides in a DNA sequence? - CORRECT ANSWER- - Frameshift mutation
1. Which of the following describes the process of osmosis? - CORRECT ANSWER- - Movement
of water molecules from an area of high concentration to an area of low concentration through
a selectively permeable membrane.
1. Which of the following is a chemical property of a substance? - CORRECT ANSWER- -
Reactivity with acid
, 1. Which statement best defines the difference between a physical change and a chemical
change? - CORRECT ANSWER- - A physical change involves the rearrangement of atoms and
molecules while a chemical change involves the formation of new substances with different
chemical properties.
1. During embryonic development, which of the following germ layers forms the nervous
system? - CORRECT ANSWER- - Ectoderm
1. What is the primary pigment responsible for photosynthesis in plants? - CORRECT ANSWER-
- Chlorophyll a
1. Which of the following is an example of an exothermic reaction? - CORRECT ANSWER- -
Burning wood
1. Which of the following statements is true regarding vaccines? - CORRECT ANSWER- -
Vaccines work by exposing the individual to a weakened or inactivated form of the pathogen
1. What is the function of ribosomes in a cell? - CORRECT ANSWER- - To synthesize proteins in
the cell
1. Which of the following is an example of a double-blind study? - CORRECT ANSWER- - Both
participants and researchers do not know which group participants are assigned to
1. What is the name of the hormone that regulates blood sugar levels in the human body? -
CORRECT ANSWER- - Insulin
