WGU Introduction to Biology (KBC1, C190) (Introduction-to-Biology) Free Practice Test
Question 1
Which molecule is aninputto thelight-dependent reactionsof photosynthesis?
Correct Answer: D
Question 2
A gardener performs amonohybrid crosson twoheterozygousorange-fruited tomato plants. Therecessive phenotypeis yellow fruit. What percentage of offspring will produceyellowtomatoes?
Correct Answer: C
Question 3
Which list containsonly bioticfactors?
Correct Answer: B
Question 4
Using theTetrapod Cladogram (Node E), the common ancestor at locationEgives rise to which two organisms?(Choose 2 answers)
Correct Answer: C,D
Question 5
A researcher studies an organism with these traits:~0.3 #msize, cell membrane enclosing contents,free ribosomesin cytoplasm, andgenetic material loosely distributedin the cytoplasm. Which statement is true?
Correct Answer: A
Question 6
The nucleus contains chromosomes that are replicated and passed to the next generation. One of the two macromolecules in chromosomes is themolecule of heredity. Which molecule is the hereditary material?
Correct Answer: B
Question 7
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?
Correct Answer: D
Question 8
Homologous chromosome pairsare undergoing crossing over but havenot yet lined upat the cell's midline.
Which stage is this?
Which stage is this?
Correct Answer: B