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What plant cell organelle changes carbon
dioxide, water and sunlight into glucose?
A. Chloroplasts
B. Mitochondria
C. Vacuole
D. Nucleus
Which statement best explains the reason muscle cells
have more mitochondria than brain cells? Muscle cells:
A. Have fewer proteins than brain cells
B. Have a smaller nucleus than brain cells
C. Use more energy than brain cells
D. Have more excess water than brain cells
The function of a cell wall is to:
A. Give the cell energy
B. Let things go in and out of the cell
C. Store genetic material
D. Provide structural support
Melanin is the pigment that gives humans skin color.
What is the pigment makes plants green?
A. Cytoplasm
B. Chlorophyll
C. Carotene
D. Phycobilin
You want to compare the shapes of different bacterial cells.
What tool can you use to observe the shapes of the cells?
A. Telescope
B. Petri dish
C. Microscope
D. Hand lens
This illustration of a cell has a label. If there were no label,
how could you tell that this is a plant cell and not an animal
cell?
A.
B.
C.
D.
The cell has a nucleus.
The cell is surrounded by a cell membrane.
The cell is surrounded by a cell wall.
The cell contains cytoplasm.
Which structure in this cell contains the genes that
control inheritance?
A. Nucleus
B. Cell membrane
C. Mitochondrion
D. Nuclear membrane
Vacuoles store water and nutrients and are found in plant
and animal cells. In plant cells, vacuoles are larger and
also:
A.
B.
C.
D.
Are the site of photosynthesis
Help maintain turgor pressure
Control the functions of the cell
Provide energy for the cell
In the cell below, what organelle is the arrow pointing
to?
A. Vacuole
B. Nucleus
C. Chloroplast
D. Cytoplasm
A stray dog was taken to a veterinarian. What cell
organelle would help the veterinarian determine the breed
of the dog?
A.
B.
C.
D.
Vacuole
Chloroplast
Cytoplasm
Nucleus
Cell theory states that all organisms:
A. Are composed of cells
B. Reproduce asexually
C. Reproduce sexually
D. Have a cell wall
Organelle X in the animal and plant cells above have a
similar structure. What can you conclude about the
function of these organelles? They perform:
A.
B.
C.
D.
Respiration
Photosynthesis
The same functions
Different functions
The skeletal system of humans supports the body and
gives it shape. What structure carries out this same
function in the plant cell shown above?
A. Cell wall
B. Cell Membrane
C. Vacuole
D. Nucleus
Which elements, represented by their chemical
symbols are contained in most organic compounds?
A. Ch, O
B. Ca, H, O
C. C, H, O
D. C, Hg, O
Every organic compound contains which element?
A. Water
B. Carbon Dioxide
C. Nitrogen
D. Carbon
Which of these is the MAIN source of the chemical
changes to food as it enters the digestive system?
A. Bile
B. Teeth
C. Saliva
D. Tongue
How do enzymes aid digestion of carbohydrate in the
digestive system?
A. Enzymes bind carbohydrates together so they
become more complex.
B. Enzymes break carbohydrates down into simple
sugars.
C. Enzymes convert carbohydrates into proteins.
D. Enzymes transform carbohydrates into forms that
can bind to cells.
According to the graph --‐
A. Eggs contain the least
amount of protein.
B. The body absorbs Beef
protein the fastest.
Grams
per
hour
C. Soy protein contains the least
soluble type.
D. Beef is the least soluble of all
the protein sources.
Beef
Whey
Cream
Soy
Protein source
Whole
Milk
Egg
Where does mechanical digestion begin during the
process of digestion?
A. Teeth
B. Saliva
C. Stomach
D. Small intestine
Which of the following statements accurately
compares chemical and physical (mechanical)
digestion systems?
A. They are similar because they both are needed for
digestion
B. Mechanical digestion breaks down food to smaller
particles, while chemical digestion changes food into
different substances
C. Mechanical digestion requires acids and enzymes,
while chemical digestion uses churning and grinding to
break food into smaller piece
D. Chemical digestion only occurs in the stomach, while
mechanical digestion occurs in the moth, stomach and
intestines
Lipids are large organic compounds that are broken
down during digestion into smaller units called--‐
A. Oil
B. Amino acids
C. Proteins
D. Fatty acids
In the structure, D represents:
A. Where food is absorbed into the
bloodstream
B. Where food undergoes both chemical
and physical digestion
C. Where food is excreted within the body
D. Where water is absorbed by the tissues
surrounding the structure
In structure, A shows mechanical
digestion begins with the --‐
A. Saliva
B. Stomach
C. Esophagus
D. Teeth
pH is a measure of how acidic or alkaline
something is. Enzymes work best under certain
pH conditions to aid the chemical digestion of
food. According to the graph:
A. This enzyme works best with a pH of 6.
B. This enzyme activity is optimal at a pH of
7.
C. The enzyme has no best pH level.
D. The enzyme is most active under basic
conditions (pH 0--‐5).