Try and practice the latest WGU : Introduction-to-Biology real questions & answers
Updated: Sep 03, 2026
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WGU Introduction-to-Biology Exam Overview:
| Certification Vendor: | WGU |
|---|---|
| Exam Name: | Introduction to Biology |
| Exam Number: | C190 |
| Exam Format: | Multiple Choice, Multiple Select, Drag and Drop, Ordering |
| Available Languages: | English |
| Certificate Validity Period: | Course completion credit |
| Exam Price: | N/A (included in term tuition) |
| Exam Duration: | 120 minutes |
| Real Exam Qty: | 65 |
| Passing Score: | 3 (Pass/UI) |
| Sample Questions: | WGU Introduction-to-Biology Sample Questions |
| Exam Way: | Online proctored exam (Objective Assessment) |
| Pre Condition: | None required. This is a standard first-course biology exam. |
| Official Syllabus URL: | https://www.wgu.edu/degrees/bachelors/information-technology.html |
WGU Introduction-to-Biology Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Cell Biology | 25% | - Cell Structure and Organelles - Cell Membrane Transport - Cell Division (Mitosis, Meiosis) - Cell Communication |
| Topic 2: Biochemistry | 15% | - Cellular Energy (ATP, Cellular Respiration, Photosynthesis) - Enzymes and Metabolism - Structure and Function of Biomolecules |
| Topic 3: Genetics | 25% | - Gene Expression (Transcription, Translation) - Mendelian Genetics - Biotechnology - DNA Structure and Replication - Genetic Mutations and Disorders - Modern Genetics and Heredity |
| Topic 4: Plant and Animal Biology | 15% | - Animal Tissues and Organ Systems - Homeostasis - Plant Structure and Function - Human Biology (Circulatory, Respiratory, Nervous, etc.) |
| Topic 5: Evolution and Ecology | 20% | - Population Ecology - Speciation and Phylogeny - Natural Selection - Conservation Biology - Ecosystems and Biomes |
WGU Introduction to Biology (KBC1, C190) Sample Questions:
Question 1
Which is an example of acovalent bond?
A. Two hydrogen atoms each share their single electrons with one another
B. A weak electrostatic attraction holds two hydrogen atoms together
C. One hydrogen atom transfers its electron to another atom
D. Two hydrogen nuclei fuse to form a single molecule
Question 2
Which genotype indicates an individual withno recessive alleles?
A. AABB
B. aabb
C. aaBB
D. AAbb
Question 3
A gene sequenceCGCATACGGTACencodes a peptide (Arg-Ile-Arg-Tyr). A mutation inserts aGafter the secondC. How will this most likely affect the phenotype?
A. No effect; only the second amino acid changes
B. Affects phenotype; all amino acids after the first will change (frameshift)
C. Affects phenotype; only the first amino acid changes
D. No effect; protein will be identical
Question 4
Ocean acidification dissolves calcium-based exoskeletons of purple sea urchins. Some individuals have a trait making their exterior more acid-resistant. If acidification increases, how is this population most likely to evolve?
A. Shorter, more flexible spines become more common
B. Less acid-resistant exoskeletons become more common
C. Acid-resistant exoskeletons become more common
D. Longer, more rigid spines become more common
Question 5
A wildlife biologist studies how lions and zebras interactandhow physical factors (temperature, water) affect them in the Serengeti. Which level of ecological organization is being studied?
A. Ecosystem
B. Biosphere
C. Population
D. Community
Solutions:
| Question 1 Answer: A | Question 2 Answer: A | Question 3 Answer: B | Question 4 Answer: C | Question 5 Answer: A |
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