ATI TEAS Exam Biology Exam
2025;Questions and 100% Correct
Answers
Respiratory System ------- Correct Ans ---------- Oxygen/carbon dioxide exchange (Lungs, trachea,
larynx, nasal cavities, and pharynx)
Breakdown of which of the following begins in the small intestine?
A. Fats
B. Fiber
C. Proteins
D. Carbohydrates ------- Correct Ans ---------- A. Fats
Which of the following is the tube that carries both sperm and urine for release outside the
body?
A. Ureter
B. Urethra
C. Vans deferens
D. Epididymis ------- Correct Ans ---------- B. Urethra
Which of the following is the region of the kidney that contains the glomerulus of the nephron?
A. Medulla
B. Pelvis
C. Cortex
D. Adrenal ------- Correct Ans ---------- C. Cortex
,Which of the following anti-body-secreting cells is triggered to proliferate upon vaccination?
A. Erythrocytes
B. B-lymphocytes
C. Leukocytes
D. T-lymphocytes ------- Correct Ans ---------- B. B-lymphocytes
Which of the following produces ammonia by deamination in the liver?
A. Proteins
B. Carbohydrates
C. Nucleic acids
D. Lipids ------- Correct Ans ---------- A. Proteins
A cross between two heterozygous F1 plants produces a ratio of 15:1 in the F2 offspring. Which
of the following best describes the ratio?
A. Modified monohybrid ratio
B. Modified dihybrid ratio
C. Normal monohybrid ratio
D. Normal dihybrid ratio ------- Correct Ans ---------- B. Modified dihybrid ratio
The normal dihybrid ratio is 9:3:3:1, so this isi a modified dihybrid ratio. The monohybrid ratio is
3:1.
Which of the following best describes matter in which the components cannot be broken down
into simpler substances?
A. Molecule
B. Element
, C. Mixture
D. Compound ------- Correct Ans ---------- B. Element
An element is a substance made of a single type of atoms that are generally held together by
physical forces.
Which of the following formulas best summarizes a simple replacement reaction?
A. A+B= AB
B. AB+C= AC+B
C. AB+CD= AD+BC
D. AB= A+B ------- Correct Ans ---------- B. AB+C= AC+B
This is a single replacement reaction because element B is replaced by element C.
Which of the following structures stores urine before excretion?
A. Kidneys
B. Ureters
C. Bladder
D. Urethra ------- Correct Ans ---------- C. Bladder
Which of the following structures is an irregularly shaped bone?
A. Femur
B. Metacarpal
C. Rib
D. Vertebra ------- Correct Ans ---------- D. Vertebra
2025;Questions and 100% Correct
Answers
Respiratory System ------- Correct Ans ---------- Oxygen/carbon dioxide exchange (Lungs, trachea,
larynx, nasal cavities, and pharynx)
Breakdown of which of the following begins in the small intestine?
A. Fats
B. Fiber
C. Proteins
D. Carbohydrates ------- Correct Ans ---------- A. Fats
Which of the following is the tube that carries both sperm and urine for release outside the
body?
A. Ureter
B. Urethra
C. Vans deferens
D. Epididymis ------- Correct Ans ---------- B. Urethra
Which of the following is the region of the kidney that contains the glomerulus of the nephron?
A. Medulla
B. Pelvis
C. Cortex
D. Adrenal ------- Correct Ans ---------- C. Cortex
,Which of the following anti-body-secreting cells is triggered to proliferate upon vaccination?
A. Erythrocytes
B. B-lymphocytes
C. Leukocytes
D. T-lymphocytes ------- Correct Ans ---------- B. B-lymphocytes
Which of the following produces ammonia by deamination in the liver?
A. Proteins
B. Carbohydrates
C. Nucleic acids
D. Lipids ------- Correct Ans ---------- A. Proteins
A cross between two heterozygous F1 plants produces a ratio of 15:1 in the F2 offspring. Which
of the following best describes the ratio?
A. Modified monohybrid ratio
B. Modified dihybrid ratio
C. Normal monohybrid ratio
D. Normal dihybrid ratio ------- Correct Ans ---------- B. Modified dihybrid ratio
The normal dihybrid ratio is 9:3:3:1, so this isi a modified dihybrid ratio. The monohybrid ratio is
3:1.
Which of the following best describes matter in which the components cannot be broken down
into simpler substances?
A. Molecule
B. Element
, C. Mixture
D. Compound ------- Correct Ans ---------- B. Element
An element is a substance made of a single type of atoms that are generally held together by
physical forces.
Which of the following formulas best summarizes a simple replacement reaction?
A. A+B= AB
B. AB+C= AC+B
C. AB+CD= AD+BC
D. AB= A+B ------- Correct Ans ---------- B. AB+C= AC+B
This is a single replacement reaction because element B is replaced by element C.
Which of the following structures stores urine before excretion?
A. Kidneys
B. Ureters
C. Bladder
D. Urethra ------- Correct Ans ---------- C. Bladder
Which of the following structures is an irregularly shaped bone?
A. Femur
B. Metacarpal
C. Rib
D. Vertebra ------- Correct Ans ---------- D. Vertebra
