BIOLOGY 101 Review Questions with Accurate Answers

BIOLOGY 101 Review Questions with
Accurate Answers
Plant Cell - CORRECT ANSWER✅✅✅What type of cell is this?



Animal Cell - CORRECT ANSWER✅✅✅What type of cell is this?



X) cell wall - CORRECT ANSWER✅✅✅Which of the following is NOT a structure found
in human cells:
W) mitochondrion
X) cell wall
Y) lysosome
Z) peroxisome


Cell - CORRECT ANSWER✅✅✅What is the basic unit of life?



Chloroplast - CORRECT ANSWER✅✅✅In what organelle of a plant cell does
photosynthesis occur?


Y) glucose - CORRECT ANSWER✅✅✅Which of the following is the most common source
of energy
for brain cells in humans:
W) nucleic acids
X) proteins
Y) glucose
Z) pectins

,Photosynthesis - CORRECT ANSWER✅✅✅It is generally believed that most of the oxygen
in the air on Earth today came from what general biological process:


DNA - CORRECT ANSWER✅✅✅What is the most common term for the biological
polymer found in chromosomes that stores genetic information?


Osmosis - CORRECT ANSWER✅✅✅The spontaneous movement of molecules through a
semi-permeable membrane in order to create equilibrium.


Atom - CORRECT ANSWER✅✅✅Tiniest part of all living and non-living things. (building
block of matter)


cells - CORRECT ANSWER✅✅✅Small part of all living things.



Tissue - CORRECT ANSWER✅✅✅Many cells working together.



Organs - CORRECT ANSWER✅✅✅Made of thousands of cells (formed into tissues),
connected by several body systems to do work to keep our bodies healthy & alive.


chloroplasts - CORRECT ANSWER✅✅✅A structure in the cells of plants and some other
organisms that captures energy from sunlight and uses it to produce food.
main function of chloroplasts is to produce food (glucose)
Chloroplasts contain the pigment, chlorophyll. Chlorophyll absorbs most of the colors in the
color spectrum, and reflects only green and yellow wavelengths of light. This is why we see
leaves as green or yellow - because these colors are reflected into our eyes.


glucose - CORRECT ANSWER✅✅✅another name for sugar C6H12O6
three things used for making glucose are sunlight water and carbon dioxide
used for energy and growth

, Metabolism - CORRECT ANSWER✅✅✅The sum total of all processes in an organism
which convert energy and matter from outside sources and use that energy and matter to sustain
the organism's life functions.


Anabolism - CORRECT ANSWER✅✅✅The sum total of all processes in an organism
which use energy and simple chemical building blocks to produce large chemicals and structures
necessary for life.


Catabolism - CORRECT ANSWER✅✅✅The sum total of all processes in an organism
which break down chemicals to produce energy and simple chemical building blocks.


Autotrophs - CORRECT ANSWER✅✅✅Organisms that are able to make their own food.



Heterotrophs - CORRECT ANSWER✅✅✅Organisms that depend on other organisms for
their food.


Asexual reproduction - CORRECT ANSWER✅✅✅Reproduction accomplished by a single
organism.


Sexual reproduction - CORRECT ANSWER✅✅✅Reproduction that requires two organisms



Inheritance - CORRECT ANSWER✅✅✅The process by which physical and biological
characteristics are transmitted from the parent (or parents) to the offspring.


Mutation - CORRECT ANSWER✅✅✅An abrupt and marked change in the DNA of an
organism compared to that of its parents


Hypothesis - CORRECT ANSWER✅✅✅An educated guess that attempts to explain an
observation or answer a question.