RHODE ISLAND TEAS EXAM SCIENCE & READING PRACTICE QUESTIONS – EXAM
PRACTICE QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS) PLUS
RATIONALES 2026 Q&A | INSTANT DOWNLOAD PDF
CORE DOMAINS
Human Anatomy & Physiology
General Biology
Basic Chemistry Concepts
Scientific Reasoning & Experimental Design
Reading Comprehension Strategies
Passage Analysis & Interpretation
Vocabulary in Context
Critical Thinking & Inference Skills
INTRODUCTION
This exam is designed to prepare candidates for the TEAS Science and Reading sections by
assessing essential academic and clinical reasoning skills. The questions evaluate
understanding of life sciences, chemical processes, human body systems, and scientific
inquiry methods. The reading portion focuses on comprehension, vocabulary usage,
inference, and analysis of informational passages. Each question is multiple-choice and
structured to reflect real TEAS exam difficulty. Candidates are expected to demonstrate
critical thinking, data interpretation, and the ability to apply knowledge in practical
,healthcare-related and academic scenarios, ensuring readiness for nursing and allied
health program admissions.
════════════════════════════════════
SECTION ONE: QUESTIONS 1–50
════════════════════════════════════
Question 1
Which organ system is primarily responsible for transporting oxygen and nutrients
throughout the body?
A. Digestive system
B. Respiratory system
C. Circulatory system
D. Nervous system
🟢 Correct Answer: C. Circulatory system
🔴 Explanation: The circulatory system transports blood, oxygen, and nutrients to tissues
and organs.
Question 2
What is the basic unit of life?
A. Atom
,B. Cell
C. Tissue
D. Organ
🟢 Correct Answer: B. Cell
🔴 Explanation: The cell is the smallest structural and functional unit of living organisms.
Question 3
Which macromolecule is primarily responsible for storing genetic information?
A. Carbohydrates
B. Lipids
C. Proteins
D. Nucleic acids
🟢 Correct Answer: D. Nucleic acids
🔴 Explanation: DNA and RNA are nucleic acids that store and transmit genetic
information.
Question 4
What type of bond involves sharing electrons between atoms?
A. Ionic bond
, B. Hydrogen bond
C. Covalent bond
D. Metallic bond
🟢 Correct Answer: C. Covalent bond
🔴 Explanation: Covalent bonds form when atoms share electrons.
Question 5
Which structure controls all cell activities?
A. Mitochondria
B. Ribosome
C. Nucleus
D. Golgi apparatus
🟢 Correct Answer: C. Nucleus
🔴 Explanation: The nucleus contains DNA and regulates cellular function.
Question 6
What is the main function of red blood cells?
A. Fight infection
B. Carry oxygen
PRACTICE QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS) PLUS
RATIONALES 2026 Q&A | INSTANT DOWNLOAD PDF
CORE DOMAINS
Human Anatomy & Physiology
General Biology
Basic Chemistry Concepts
Scientific Reasoning & Experimental Design
Reading Comprehension Strategies
Passage Analysis & Interpretation
Vocabulary in Context
Critical Thinking & Inference Skills
INTRODUCTION
This exam is designed to prepare candidates for the TEAS Science and Reading sections by
assessing essential academic and clinical reasoning skills. The questions evaluate
understanding of life sciences, chemical processes, human body systems, and scientific
inquiry methods. The reading portion focuses on comprehension, vocabulary usage,
inference, and analysis of informational passages. Each question is multiple-choice and
structured to reflect real TEAS exam difficulty. Candidates are expected to demonstrate
critical thinking, data interpretation, and the ability to apply knowledge in practical
,healthcare-related and academic scenarios, ensuring readiness for nursing and allied
health program admissions.
════════════════════════════════════
SECTION ONE: QUESTIONS 1–50
════════════════════════════════════
Question 1
Which organ system is primarily responsible for transporting oxygen and nutrients
throughout the body?
A. Digestive system
B. Respiratory system
C. Circulatory system
D. Nervous system
🟢 Correct Answer: C. Circulatory system
🔴 Explanation: The circulatory system transports blood, oxygen, and nutrients to tissues
and organs.
Question 2
What is the basic unit of life?
A. Atom
,B. Cell
C. Tissue
D. Organ
🟢 Correct Answer: B. Cell
🔴 Explanation: The cell is the smallest structural and functional unit of living organisms.
Question 3
Which macromolecule is primarily responsible for storing genetic information?
A. Carbohydrates
B. Lipids
C. Proteins
D. Nucleic acids
🟢 Correct Answer: D. Nucleic acids
🔴 Explanation: DNA and RNA are nucleic acids that store and transmit genetic
information.
Question 4
What type of bond involves sharing electrons between atoms?
A. Ionic bond
, B. Hydrogen bond
C. Covalent bond
D. Metallic bond
🟢 Correct Answer: C. Covalent bond
🔴 Explanation: Covalent bonds form when atoms share electrons.
Question 5
Which structure controls all cell activities?
A. Mitochondria
B. Ribosome
C. Nucleus
D. Golgi apparatus
🟢 Correct Answer: C. Nucleus
🔴 Explanation: The nucleus contains DNA and regulates cellular function.
Question 6
What is the main function of red blood cells?
A. Fight infection
B. Carry oxygen
