Updated: Sep 04, 2026
No. of Questions: 80 Questions & Answers with Testing Engine
Download Limit: Unlimited
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| Certification Vendor: | Western Governors University (WGU) |
|---|---|
| Exam Name: | Introduction to Biology |
| Exam Number: | KBC1, C190 |
| Available Languages: | English |
| Exam Price: | Included in tuition / No separate fee |
| Exam Duration: | 105 minutes |
| Real Exam Qty: | 77–80 |
| Exam Format: | Multiple Choice, Diagram Labeling, True/False |
| Certificate Validity Period: | No expiration |
| Passing Score: | 65% |
| 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 |
|---|---|---|
| Basic Principles of Life | 20–25% | - Scientific method and biological inquiry - Characteristics of living organisms - Cell structure and function - Chemical foundations of life |
| Genetics and Heredity | 20–25% | - Mendelian and non-Mendelian inheritance - Mutation and genetic variation - Chromosomes and cell division - Gene expression and protein synthesis - DNA structure and replication |
| Evolution and Diversity of Life | 15–20% | - Overview of major biological groups - Speciation and classification - Natural selection and adaptation - Mechanisms of evolution |
| Ecology and Interdependence | 15–20% | - Biomes and global ecology - Ecosystem structure and energy flow - Community interactions - Population dynamics - Human impact on ecosystems |
| Energy and Metabolism | 15–20% | - Cellular respiration - Enzymes and metabolic pathways - Energy flow in biological systems - Photosynthesis |
Question 1
Which organisms havefour limbsand produceeggs that are not amniotic?
A. Sharks and rays
B. Birds
C. Amphibians
D. Crocodilians
Question 2
(Use the exhibit "Simple Diffusion (No ATP)".) What process is depicted?
A. Simple diffusion, which does not require energy
B. Facilitated diffusion, which requires energy
C. Active transport, which does not require energy
D. Osmosis, which requires energy
Question 3
Which genotype indicates an individual withno recessive alleles?
A. aaBB
B. AAbb
C. AABB
D. aabb
Question 4
Thailand's rainforest area has decreased since the 1960s due to logging and land clearing for agriculture.
Which activity would continue to have a negative effect on biodiversity?
A. Increasing the use of sustainable technologies in Thailand
B. Developing technologies that reduce chemical pollutants
C. Increasing the human population in Thailand
D. Increasing the use of renewable energy sources
Question 5
What is a primary characteristic ofperipheral membrane proteins?
A. They span the entire lipid bilayer, sometimes multiple times.
B. They cannot be post-translationally modified.
C. Detergents or nonpolar solvents are necessary to remove them from the membrane.
D. Weak intermolecular forces keep them attached to the lipid membrane.
Solutions:
| Question 1 Answer: C | Question 2 Answer: A | Question 3 Answer: C | Question 4 Answer: C | Question 5 Answer: D |
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