Updated: Aug 14, 2026
No. of Questions: 80 Questions & Answers with Testing Engine
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| Certification Vendor: | Western Governors University (WGU) |
| Exam Name: | Introduction to Biology |
| Exam Number: | KBC1, C190 |
| Exam Price: | Included in tuition / No separate fee |
| Available Languages: | English |
| Certificate Validity Period: | No expiration |
| Passing Score: | 65% |
| Exam Duration: | 105 minutes |
| Exam Format: | Multiple Choice, True/False, Diagram Labeling |
| Real Exam Qty: | 77–80 |
| Recommended Training: | WGU Course Materials & Learning Resources |
| Exam Registration: | WGU Student Portal |
| Sample Questions: | WGU Introduction-to-Biology Sample Questions |
| Exam Way: | Online, proctored remotely |
| Pre Condition: | None; open to all enrolled students |
| Official Syllabus URL: | https://www.wgu.edu/online-college-courses/introduction-biology.html |
| Section | Weight | Objectives |
|---|---|---|
| Energy and Metabolism | 15–20% | - Energy flow in biological systems - Photosynthesis - Enzymes and metabolic pathways - Cellular respiration |
| Evolution and Diversity of Life | 15–20% | - Mechanisms of evolution - Speciation and classification - Natural selection and adaptation - Overview of major biological groups |
| Basic Principles of Life | 20–25% | - Chemical foundations of life - Scientific method and biological inquiry - Characteristics of living organisms - Cell structure and function |
| Ecology and Interdependence | 15–20% | - Biomes and global ecology - Community interactions - Ecosystem structure and energy flow - Population dynamics - Human impact on ecosystems |
| Genetics and Heredity | 20–25% | - Mendelian and non-Mendelian inheritance - Chromosomes and cell division - Gene expression and protein synthesis - Mutation and genetic variation - DNA structure and replication |
1. Which statement correctly describes how anionic bondforms?
A) Two atoms are attracted to a nearby hydrogen atom that binds them together
B) Two ions share several pairs of electrons
C) An electron is transferred from one atom to another
D) Two atomic nuclei fuse to form a single molecule
2. 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) Acid-resistant exoskeletons become more common
B) Less acid-resistant exoskeletons become more common
C) Shorter, more flexible spines become more common
D) Longer, more rigid spines become more common
3. A primary consumer (e.g., an insect) derives energy from which level of the food chain?
A) Secondary consumer
B) Carnivore
C) Primary consumer
D) Producers
4. Which molecule isproducedby photosynthesis?
A) Water
B) NADH
C) Oxygen
D) Carbon dioxide
5. Coral reefs include many living (biotic) species interacting withabioticfactors like oxygen, water, soil, CO#, and light. Which part of the biosphere do coral reefs represent?
A) Population
B) Ecosystem
C) Community
D) Organism
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: A | Question # 3 Answer: D | Question # 4 Answer: C | Question # 5 Answer: B |
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