WGU C190 PREPARATION EXAMS WITH
CORRECT ANSWERS 2026
1. Which of the following is biotic?
A. Virus
B. Rock
C. Dead flower
D. Plastic - ANS☑☑---C. Dead Flower
2. In an ionic bond, what happens to the electrons?
A. They are shared equally between the atoms.
B. They are lost by one atom and gained by another.
C. They are transferred from the nucleus to the electron cloud.
D. They remain stationary between the two atoms. - ANS☑☑---B. They
are lost by one atom and gained by another.
3. Which statement describes hydrogen bonds correctly?
A. Creates a moderately strong electrostatic attraction between
oppositely charged ions.
B. Occurs between atoms in the same molecule.
C. Electron pairs shared, creating a weak bond.
D. Weak electrostatic attraction between areas of molecules with
opposite partial charge. - ANS☑☑---D. Weak electrostatic
attraction between areas of molecules with opposite partial charge.
4. Which list has the levels of biological organization in the correct order from
smallest to largest?
A. Organ system, community, population, ecosystem, organism
B. Cell, macromolecules, tissue, organ system, organism
, C. Ecosystem, population, organism, macromolecules
D. Cell, tissue, organ systems, organism, population - ANS☑☑---D. Cell,
tissue, organ systems, organism, population
5. You're hiking in a forest, and you notice that water droplets merge together
into larger drops. What property of water is responsible for this
phenomenon? *
A. Cohesion
B. Adhesion
C. Maintaining a stable temperature
D. Low surface tension - ANS☑☑---A. Cohesion
6. What is the monomer of carbohydrates?
A. Amino acid
B. Nucleotide
C. Fatty acid
D. Monosaccharide - ANS☑☑---D. Monosaccharides
7. Which of the following statements accurately describes DNA and RNA?
A. DNA is single-stranded, while RNA is double-stranded.
B. DNA contains uracil (U), while RNA contains thymine (T).
C. DNA uses deoxyribose as its sugar, while RNA uses ribose.
D. Both DNA and RNA use all of the same nucleotide bases. - ANS☑☑-
--C. DNA uses deoxyribose as its sugar, while RNA uses ribose.
8. Which ones are NOT in both prokaryotic and eukaryotic cells? Select 2.
9. Cell membrane
10.Cytoplasm
11.Ribosome
CORRECT ANSWERS 2026
1. Which of the following is biotic?
A. Virus
B. Rock
C. Dead flower
D. Plastic - ANS☑☑---C. Dead Flower
2. In an ionic bond, what happens to the electrons?
A. They are shared equally between the atoms.
B. They are lost by one atom and gained by another.
C. They are transferred from the nucleus to the electron cloud.
D. They remain stationary between the two atoms. - ANS☑☑---B. They
are lost by one atom and gained by another.
3. Which statement describes hydrogen bonds correctly?
A. Creates a moderately strong electrostatic attraction between
oppositely charged ions.
B. Occurs between atoms in the same molecule.
C. Electron pairs shared, creating a weak bond.
D. Weak electrostatic attraction between areas of molecules with
opposite partial charge. - ANS☑☑---D. Weak electrostatic
attraction between areas of molecules with opposite partial charge.
4. Which list has the levels of biological organization in the correct order from
smallest to largest?
A. Organ system, community, population, ecosystem, organism
B. Cell, macromolecules, tissue, organ system, organism
, C. Ecosystem, population, organism, macromolecules
D. Cell, tissue, organ systems, organism, population - ANS☑☑---D. Cell,
tissue, organ systems, organism, population
5. You're hiking in a forest, and you notice that water droplets merge together
into larger drops. What property of water is responsible for this
phenomenon? *
A. Cohesion
B. Adhesion
C. Maintaining a stable temperature
D. Low surface tension - ANS☑☑---A. Cohesion
6. What is the monomer of carbohydrates?
A. Amino acid
B. Nucleotide
C. Fatty acid
D. Monosaccharide - ANS☑☑---D. Monosaccharides
7. Which of the following statements accurately describes DNA and RNA?
A. DNA is single-stranded, while RNA is double-stranded.
B. DNA contains uracil (U), while RNA contains thymine (T).
C. DNA uses deoxyribose as its sugar, while RNA uses ribose.
D. Both DNA and RNA use all of the same nucleotide bases. - ANS☑☑-
--C. DNA uses deoxyribose as its sugar, while RNA uses ribose.
8. Which ones are NOT in both prokaryotic and eukaryotic cells? Select 2.
9. Cell membrane
10.Cytoplasm
11.Ribosome
