WGU C190 INTRO TO BIOLOGY ACTUAL
EXAM PAPER 2026 QUESTIONS AND
SOLUTIONS GRADED A PLUS
◉ Biotic
Answer: Living. Matter is considered ______ if it was ever alive at
some point in time
◉ Atom
Answer: Smallest level. The basic unit of matter. Consists of a dense
nucleus surrounded by electrons.
◉ Molecule
Answer: Second level. A chemical structure consisting of at least two
atoms held together by a chemical bond.
◉ Macromolecule
Answer: Third level. Biologically important molecules that are
technically polymers. Example: DNA.
◉ Cell
, Answer: Fourth level. The fundamental unit of life. Essentially a tiny
droplet of water and other molecules enclosed by a fluid "skin" or
membrane. The smallest and simplest entity that possesses all the
characteristics of life.
◉ Organelle
Answer: Fifth level. Compartments inside the cell that contain
specific groups of macromolecules and carry out specific cellular
functions. it encloses the DNA within the cell.
◉ Microorganism
Answer: Sixth level. Single-celled life form. Consists of just one cell
and include unicellular organisms such as bacteria and protists.
◉ Tissue
Answer: Seventh level. Formed when similar cells work together to
fulfill the same detailed function.
◉ Organ
Answer: Eighth level. Collections of tissues that work together to
carry out a common general function. Present not only in higher
level animals but also in plants.
◉ Organ System
EXAM PAPER 2026 QUESTIONS AND
SOLUTIONS GRADED A PLUS
◉ Biotic
Answer: Living. Matter is considered ______ if it was ever alive at
some point in time
◉ Atom
Answer: Smallest level. The basic unit of matter. Consists of a dense
nucleus surrounded by electrons.
◉ Molecule
Answer: Second level. A chemical structure consisting of at least two
atoms held together by a chemical bond.
◉ Macromolecule
Answer: Third level. Biologically important molecules that are
technically polymers. Example: DNA.
◉ Cell
, Answer: Fourth level. The fundamental unit of life. Essentially a tiny
droplet of water and other molecules enclosed by a fluid "skin" or
membrane. The smallest and simplest entity that possesses all the
characteristics of life.
◉ Organelle
Answer: Fifth level. Compartments inside the cell that contain
specific groups of macromolecules and carry out specific cellular
functions. it encloses the DNA within the cell.
◉ Microorganism
Answer: Sixth level. Single-celled life form. Consists of just one cell
and include unicellular organisms such as bacteria and protists.
◉ Tissue
Answer: Seventh level. Formed when similar cells work together to
fulfill the same detailed function.
◉ Organ
Answer: Eighth level. Collections of tissues that work together to
carry out a common general function. Present not only in higher
level animals but also in plants.
◉ Organ System
