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WorksheetsHonors Biology – Practice Final Exam
Total questions: 113
Worksheet time: 58mins
The prefix photo- most nearly means:
heat
light
life
energy
The suffix -logy refers to the study of:
A. animals
B. cells
C. plants
D. a subject
Which prefix means many?
mono-
hyper-
multi-
olf-
Which prefix refers to smell?
photo-
olf-
hyper-
hiber-
Which prefix does NOT refer to a body part?
ventr-
ocul-
pneum-
omni-
A zoologist primarily studies:
plants
animals
fungi
viruses
The prefix hyper- means:
below
normal
above
slow
Which prefix means winter?
A. hiber-
B. hyper-
The prefix mono- means:
many
two
one
none
Which word part means seed?
phyll-
sperm-
hyper-
pseudo-
Which suffix means study of life?
-itis
-logy
-scope
-osis
Which prefix refers to light?
photo-
olf-
multi-
hiber-
A relationship in which both species benefit is called:
commensalism
parasitism
mutualism
predation
A flea living on a dog is an example of:
mutualism
commensalism
parasitism
competition
A remora feeding on scraps from a shark is best described as:
mutualism
parasitism
commensalism
predation
Which relationship harms one organism and benefits the other?
mutualism
commensalism
parasitism
competition
Clownfish and sea anemones benefit each other. This is:
commensalism
parasitism
mutualism
predation
Which interaction involves organisms competing for the same resource?
mutualism
commensalism
competition
parasitism
All populations living and interacting in an area form a:
habitat
community
ecosystem
biome
Which factor is density-dependent?
earthquake
drought
disease
volcano
Which factor is density-independent?
competition
predation
hurricane
parasitism
Energy available to higher trophic levels is generally:
increased
decreased
constant
recycled
Which organism is a producer?
rabbit
grass
fox
hawk
Which organism is a primary consumer?
grass
algae
rabbit
hawk
Which organism is a secondary consumer?
grass
rabbit
snake
algae
Which trophic level contains the most energy?
tertiary consumers
secondary consumers
primary consumers
producers
27. The main energy source for ecosystems is:
Wind
Sunlight
Water
Soil nutrients
Which biome has the greatest biodiversity?
desert
grassland
temperate forest
tropical rainforest
Which biome has the least precipitation?
tundra
grassland
desert
rainforest
A group of the same species in one area is a:
community
population
ecosystem
biome
Population density is measured as:
births per year
organisms per area
deaths per year
migration rate
When resources become limited, a population reaches:
exponential growth
extinction
carrying capacity
immigration
Growth that starts fast and then levels off is:
exponential
linear
logistic
random
Which is an abiotic factor?
bacteria
fungi
temperature
plants
Which is a biotic factor?
water
sunlight
soil
predators
If predators decrease, prey populations will most likely:
decrease
increase
Which best describes commensalism?
both benefit
one benefits, one unaffected
one harmed
both harmed
An energy pyramid shows:
population size
energy at trophic levels
organism size
biome types
Which level receives ~10% of energy from the level below?
producers
primary consumers
secondary consumers
all levels
Which consumer eats both plants and animals?
herbivore
carnivore
omnivore
decomposer
The smallest unit of an element is a:
ion
molecule
atom
compound
Atoms of the same element with different neutrons are:
ions
isotopes
molecules
compounds
Which bond involves sharing electrons?
ionic
hydrogen
covalent
peptide
Which bond holds water molecules together?
ionic
covalent
hydrogen
peptide
Water is a good solvent because it is:
nonpolar
ionic
polar
neutral
Which macromolecule stores genetic information?
protein
lipid
carbohydrate
nucleic acid
The monomer of proteins is:
fatty acid
nucleotide
amino acid
monosaccharide
The monomer of carbohydrates is:
amino acid
fatty acid
nucleotide
monosaccharide
Which macromolecule is hydrophobic?
protein
lipid
carbohydrate
nucleic acid
An enzyme functions by:
lowering activation energy
raising temperature
adding energy
changing products
Which pH indicates the strongest acid?
A. 2
B. 6
C. 7
D. 10
A base has a higher concentration of:
H+ ions
OH- ions
Na+ ions
Cl- ions
Red litmus paper turns blue in the presence of a:
acid
base
neutral solution
salt
Blue litmus paper turns red in the presence of an:
acid
base
neutral solution
salt
Which reaction breaks polymers using water?
Hydrolysis
Dehydration synthesis
Condensation
Polymerization
Which macromolecule forms peptide bonds?
lipids
proteins
carbohydrates
nucleic acids
Which element is found in proteins but not carbohydrates?
oxygen
carbon
nitrogen
hydrogen
Which molecule provides quick energy?
lipid
protein
starch
glucose
Which lipid is unsaturated?
butter
lard
olive oil
wax
Buffers help organisms by:
raising pH
lowering pH
maintaining pH
neutralizing enzymes
The pH scale ranges from:
0–7
1–10
0–14
1–20
A pH of 7 is considered:
acidic
basic
neutral
buffered
Which indicator is made from plants?
litmus
phenolphthalein
cabbage juice
bromothymol blue
Which ion forms hydronium in water?
OH–
H+
Which compound is inorganic?
glucose
DNA
protein
water
Which organelle produces ATP?
ribosome
chloroplast
mitochondria
nucleus
Which organelle makes proteins?
ribosome
mitochondria
chloroplast
lysosome
The nucleus contains:
proteins
lipids
DNA
enzymes
Prokaryotic cells lack a:
cell wall
ribosome
membrane-bound nucleus
cytoplasm
Photosynthesis occurs in the:
mitochondria
chloroplast
ribosome
nucleus
The light-dependent reactions occur in the:
stroma
thylakoid
cytoplasm
matrix
The Calvin cycle occurs in the:
thylakoid
stroma
mitochondria
cytoplasm
Which gas is released during photosynthesis?
CO2
O2
N2
H2
Which gas is used during photosynthesis?
oxygen
carbon dioxide
nitrogen
hydrogen
The main product of photosynthesis is:
ATP
oxygen
glucose
carbon dioxide
Cellular respiration occurs in the:
chloroplast
ribosome
mitochondria
nucleus
Glycolysis occurs in the:
mitochondria
cytoplasm
chloroplast
nucleus
Which stage produces the most ATP?
glycolysis
Krebs cycle
electron transport chain
Calvin cycle
Oxygen is required for:
glycolysis
Calvin cycle
electron transport chain
fermentation
Which molecule is the final electron acceptor?
CO2
NADH
oxygen
glucose
ATP is best described as:
stored DNA
cellular energy
structural protein
enzyme
Which molecule carries energy between reactions?
ATP
DNA
RNA
lipid
Photosynthesis stores energy while respiration:
releases energy
stores energy
absorbs energy
requires energy
Which organelle packages proteins?
ER
Golgi apparatus
ribosome
lysosome
Which structure controls what enters and exits the cell?
cell wall
cell membrane
nucleus
cytoplasm
Which structure is found only in plant cells?
mitochondria
ribosome
cell wall
cell membrane
Chlorophyll is found in the:
stroma
thylakoid membrane
cytoplasm
matrix
Which process directly uses sunlight?
Calvin cycle
Krebs cycle
light-dependent reactions
glycolysis
Which molecule is broken down during respiration?
oxygen
carbon dioxide
glucose
ATP
Which process produces water?
photosynthesis
respiration
fermentation
transpiration
The powerhouse of the cell is the:
nucleus
ribosome
mitochondria
chloroplast
Which structure stores water in plant cells?
nucleus
mitochondria
Which process links photosynthesis and respiration?
ATP cycling
carbon cycle
nitrogen cycle
water cycle
Which molecule is shared by both processes?
oxygen
carbon dioxide
ATP
glucose
Which stage does NOT require oxygen?
ETC
Krebs cycle
glycolysis
Calvin cycle
Which gas is released during respiration?
oxygen
nitrogen
carbon dioxide
hydrogen
Which structure is gel-like?
nucleus
cytoplasm
membrane
cell wall
Which structure breaks down waste?
ribosome
lysosome
Golgi
ER
This is the process of using converting DNA to make a strand of mRNA
Translation
Transcription
Replication
Mitosis
During DNA replication, which sequence of DNA bases would pair with this partial strand
ATG AGA CAG
TAC TCT GTC
TAC ACT GTC
GTA AGT GAC
CAT TCA CTG
