Page 1 of 76
“TEAS SCIENCE 2025 “ NEWEST UPDATED EXAM 2025 – 2026 SOLVED QUESTIONS
& ANSWERS VERIFIED 100% GRADED A+ (LATEST VERSION) WELL REVISED AND
HIGHLY RECOMMENDALE
1. What are the three types of salivary glands and where are they located in the
mouth?
- 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?
- Renin
1. What is the chemical formula for water?
- H20
1. Which of the following units is used to indicate length?
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:
- traffic patterns during rush hour
1. What is the largest organ in the human body by surface area?
- Skin
1. Which of the following describes the function of ligaments?
- Ligaments attach two bones
1. What is the difference between innate and adaptive immunity?
- 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?
- tRNA
1. What are the steps involved in the scientific method?
, Page 2 of 76
- 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 regulating breathing
rate and depth?
- Diaphragm
1. What is the difference between a monosaccharide and a disaccharide?
- 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?
- Transcription
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 plays a key role in
breathing?
- Diaphragm
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 system?
- Exchange of gases between the body and the environment
1. What is the difference between isotonic and isometric muscle contractions?
- Isotonic contractions produce movement while isometric contractions produce no
movement.
Which of the following is a characteristic of innate immunity
- 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?
- 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?
- Frameshift mutation
1. Which of the following describes the process of osmosis?
, Page 3 of 76
- 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?
- Reactivity with acid
1. Which statement best defines the difference between a physical change and
a chemical change?
- 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?
- Ectoderm
1. What is the primary pigment responsible for photosynthesis in plants?
- Chlorophyll a
1. Which of the following is an example of an exothermic reaction?
- Burning wood
1. Which of the following statements is true regarding vaccines?
- 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?
- To synthesize proteins in the cell
1. Which of the following is an example of a double-blind study?
- 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?
- Insulin
1. What is the primary physiological function of erythrocytes in the human
circulatory system?
- Transportation of oxygen to body tissues
1. What is the name of the joint that allows for rotation of the arm at the
shoulder?
- Shoulder joint
, Page 4 of 76
1. What is the name of the valve that separates the left atrium and left ventricle
in the heart?
- Mitral valve
1. What is the molecular geometry of a molecule of sulphur dioxide (SO2)?
- Bent
1. What is the name of the genetic disorder caused by the presence of an extra
chromosome 21?
- Down syndrome
1. Which of the following types of RNA carries amino acids to the ribosome
during protein synthesis?
- Transfer RNA
1. What are the five regions of the vertebral column, starting from the top and
moving downwards?
- Cervical, thoracic, lumbar, sacral, coccygeal
1. Which of the following are the two major parts of the nervous system?
- Peripheral nervous system and central nervous system.
1. The measurement indicated by the line across the center of the cell is best
referred to as which of the following?
- Diameter
1. Which of the following ions binds to the troponin complex, initiating
contraction of a muscle?
- Calcium
1. Which of the following microorganisms lack their own metabolic pathways
and can only reproduce inside of a host cell?
- Viruses
1. Which of the following is the atomic number of an atom that has 12 protons
and 12 neutrons?
- 12
1. Which of the following types of cells produce and release antibodies?
- Plasma B cells
1. Which of the following organic molecules contain both an amine and
carboxyl group?
- Proteins
“TEAS SCIENCE 2025 “ NEWEST UPDATED EXAM 2025 – 2026 SOLVED QUESTIONS
& ANSWERS VERIFIED 100% GRADED A+ (LATEST VERSION) WELL REVISED AND
HIGHLY RECOMMENDALE
1. What are the three types of salivary glands and where are they located in the
mouth?
- 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?
- Renin
1. What is the chemical formula for water?
- H20
1. Which of the following units is used to indicate length?
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:
- traffic patterns during rush hour
1. What is the largest organ in the human body by surface area?
- Skin
1. Which of the following describes the function of ligaments?
- Ligaments attach two bones
1. What is the difference between innate and adaptive immunity?
- 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?
- tRNA
1. What are the steps involved in the scientific method?
, Page 2 of 76
- 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 regulating breathing
rate and depth?
- Diaphragm
1. What is the difference between a monosaccharide and a disaccharide?
- 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?
- Transcription
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 plays a key role in
breathing?
- Diaphragm
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 system?
- Exchange of gases between the body and the environment
1. What is the difference between isotonic and isometric muscle contractions?
- Isotonic contractions produce movement while isometric contractions produce no
movement.
Which of the following is a characteristic of innate immunity
- 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?
- 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?
- Frameshift mutation
1. Which of the following describes the process of osmosis?
, Page 3 of 76
- 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?
- Reactivity with acid
1. Which statement best defines the difference between a physical change and
a chemical change?
- 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?
- Ectoderm
1. What is the primary pigment responsible for photosynthesis in plants?
- Chlorophyll a
1. Which of the following is an example of an exothermic reaction?
- Burning wood
1. Which of the following statements is true regarding vaccines?
- 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?
- To synthesize proteins in the cell
1. Which of the following is an example of a double-blind study?
- 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?
- Insulin
1. What is the primary physiological function of erythrocytes in the human
circulatory system?
- Transportation of oxygen to body tissues
1. What is the name of the joint that allows for rotation of the arm at the
shoulder?
- Shoulder joint
, Page 4 of 76
1. What is the name of the valve that separates the left atrium and left ventricle
in the heart?
- Mitral valve
1. What is the molecular geometry of a molecule of sulphur dioxide (SO2)?
- Bent
1. What is the name of the genetic disorder caused by the presence of an extra
chromosome 21?
- Down syndrome
1. Which of the following types of RNA carries amino acids to the ribosome
during protein synthesis?
- Transfer RNA
1. What are the five regions of the vertebral column, starting from the top and
moving downwards?
- Cervical, thoracic, lumbar, sacral, coccygeal
1. Which of the following are the two major parts of the nervous system?
- Peripheral nervous system and central nervous system.
1. The measurement indicated by the line across the center of the cell is best
referred to as which of the following?
- Diameter
1. Which of the following ions binds to the troponin complex, initiating
contraction of a muscle?
- Calcium
1. Which of the following microorganisms lack their own metabolic pathways
and can only reproduce inside of a host cell?
- Viruses
1. Which of the following is the atomic number of an atom that has 12 protons
and 12 neutrons?
- 12
1. Which of the following types of cells produce and release antibodies?
- Plasma B cells
1. Which of the following organic molecules contain both an amine and
carboxyl group?
- Proteins
