August 7, 2026
Introduction-to-Biology, WGU

WGU Introduction-to-Biology Exam Prep Guide Prep guide for the Introduction-to-Biology Exam [Q46-Q61]

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WGU Introduction-to-Biology Exam Prep Guide: Prep guide for the Introduction-to-Biology Exam

2026 New Preparation Guide of WGU Introduction-to-Biology Exam

WGU Introduction-to-Biology Exam Syllabus Topics:

Section Weight Objectives
Topic 1: Biochemistry 15% – Structure and Function of Biomolecules
– Enzymes and Metabolism
– Cellular Energy (ATP, Cellular Respiration, Photosynthesis)
Topic 2: Evolution and Ecology 20% – Speciation and Phylogeny
– Ecosystems and Biomes
– Population Ecology
– Natural Selection
– Conservation Biology
Topic 3: Cell Biology 25% – Cell Membrane Transport
– Cell Division (Mitosis, Meiosis)
– Cell Communication
– Cell Structure and Organelles
Topic 4: Genetics 25% – DNA Structure and Replication
– Modern Genetics and Heredity
– Mendelian Genetics
– Genetic Mutations and Disorders
– Gene Expression (Transcription, Translation)
– Biotechnology
Topic 5: Plant and Animal Biology 15% – Plant Structure and Function
– Homeostasis
– Animal Tissues and Organ Systems
– Human Biology (Circulatory, Respiratory, Nervous, etc.)

 

NO.46 Caribou dig through snow to find food. Afterward, arctic foxes use the fresh holes to search for their own food. What interaction occurs?

 
 
 
 

NO.47 Which is an example of acovalent bond?

 
 
 
 

NO.48 A farmer breeds sheep fordisease resistanceandfine wool. After decades, the flock consistently shows both traits. Which evolutionary mechanism changed the flock’s gene pool?

 
 
 
 

NO.49 A subatomic particle is located in theoutermost shellof an atom. Because of its position, it strongly influences the atom’sreactivity. What is this particle?

 
 
 
 

NO.50 Which chromosomal set shows an abnormality most commonly associated with agenetic disorder?

 
 
 
 

NO.51 The leopard seal is part of an Antarctic food web. It feeds oncod, which feed on small aquatic plants. Based on the energy transfer in the exhibit, how much energy does the leopard seal receive by feeding on cod?

 
 
 
 

NO.52 What is thefunction of the centromereduring M phase?

 
 
 
 

NO.53 Which statement istrueabout the organisms on the vertebrate cladogram?

 
 
 
 

NO.54 A student notes thatclub mossesform an outgroup, whileferns, gymnosperms, and flowering plantsform an ingroup on a plant cladogram (algal ancestor at the base). Whichbranching pointis the student considering?

 
 
 
 

NO.55 Which molecule is aninputto thelight-dependent reactionsof photosynthesis?

 
 
 
 

NO.56 The humanMN blood groupis determined by two codominant alleles (MandN). In one family,alloffspring are MN. What are themost probable genotypesof the parents?

 
 
 
 

NO.57 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?

 
 
 
 

NO.58 Which type of cell division has onlyone division per cycle?

 
 
 
 

NO.59 A horticulturalist crosses twopinkcarnations. Flower color showsincomplete dominance: red × white # pink heterozygotes. The observedphenotype ratio is 2:1:1. Which color ordering corresponds to this ratio?

 
 
 
 

NO.60 In a multigeneration family study,8% of malesandfar fewer femalesshow a trait (e.g., red hair). What is the most likely cause?

 
 
 
 

NO.61 Cells use ATP to power muscle contraction. During contraction, ATP is converted to ADP and inorganic phosphate. What is happening to energy in this conversion?

 
 
 
 

Latest Questions Introduction-to-Biology Guide to Prepare Free Practice Tests: https://www.it-tests.com/Introduction-to-Biology.html

         

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