PORTAGE LEARNING | COMPLETE VERIFIED Q&AS +
REVIEW GUIDE
BIOD 101 (Portage Learning Equivalent) – Comprehensive Practice Exam (Original)
Part 1: Introduction & Module 1 – Foundations of Biology
Academic Year: 2026–2027
Table of Contents
Section Content
I Introduction & Exam Instructions
II Module 1 – Foundations of Biology (Questions 1–20)
III Answer Key & Rationales
Introduction
This is an original comprehensive practice examination designed to prepare students for BIOD
101. The questions are modeled after the concepts commonly taught in introductory biology but
are not copied from any Portage Learning exam or assessment.
Question Types
• Multiple Choice
• Short Answer
• Scenario-Based
Choose the best answer unless otherwise instructed.
Module 1 – Foundations of Biology
Multiple-Choice Questions
Question 1
,Which characteristic is shared by all living organisms?
A. Ability to fly
B. Made of one cell only
C. Ability to maintain homeostasis
D. Photosynthesis
Question 2
The smallest unit capable of performing all life functions is the:
A. Organ
B. Tissue
C. Cell
D. Molecule
Question 3
Which level of biological organization is composed of similar cells working together?
A. Organ
B. Tissue
C. Organism
D. Organ system
Question 4
A hypothesis should be:
A. An opinion
B. Testable and falsifiable
C. A proven law
D. Impossible to disprove
, Question 5
Which step comes immediately after making observations in the scientific method?
A. Draw conclusions
B. Develop a hypothesis
C. Publish results
D. Accept the hypothesis
Question 6
An experiment includes a control group because it:
A. Guarantees the hypothesis is correct
B. Eliminates all errors
C. Provides a comparison for the experimental group
D. Prevents bias completely
Question 7
The variable deliberately changed by a researcher is the:
A. Dependent variable
B. Independent variable
C. Controlled variable
D. Constant
Question 8
Which variable is measured during an experiment?
A. Independent variable
B. Dependent variable
C. Control
D. Constant