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WorksheetsQuarter 2 Benchmark Exam
Total questions: 60
Worksheet time: 30mins
A good experiment should include all of the following except _____.
multiple variables being tested at the same time
a hypothesis
a large study group
an experimental & control group
Cells are the basic units of structure and function in all living things.
theory
hypothesis
inference
law
If organisms can't produce ATP, then they will die.
hypothesis
law
theory
inference
The weight on the scale is 68g.
observation
hypothesis
law
inference
The driver must have crashed his car into the drive through window because he was hungry.
inference
law
obsevation
theory
Which statement does not belong.
All living things can move.
All living things are made of one or more cells.
DNA is the genetic material in cells.
All cells need an energy source.
Water being absorbed into a paper towel is a result of _____.
cohesion
high specific heat
boiling point
freezing point
The building blocks of starches are _____.
simple sugars
amino acids
fatty acids
nucleic acids
True or false, glucose is a polysaccharide.
True
False
True or false, glucose is a monosaccharide.
True
False
True or false, DNA is a nucleic acid.
True
False
Steroids, like testosterone, are lipids.
True
False
Proteins are made of _____.
amino acids linked together
hemoglobin
antibodies
enzymes
The job of an enzyme is to _____.
lower the activation energy needed for a reaction to proceed
add energy to the reaction
allow the reaction to be reversed
become part of the product
A prokaryotic organism _____.
is single-celled
is a bacterium
is a single-celled bacterium without a true nucleus
does not have a true nucleus
Which of the following are prokaryotes?
Plants
Animals
Both plants & animals
Neither plants nor animals
True or false, the cristae (inner folds) of the mitochondria help decrease surface area so more ATP can be made.
True
False
True or false, the thylakoids (stacks of green "coins") of chloroplasts help increase surface area so more light can be absorbed.
True
False
True or false, the nuclear envelope (membrane) helps protect the DNA from enzymes in the cytosol.
True
False
_____ are the cell structures that make proteins.
Ribosomes
Smooth ER
Mitochondria
Chloroplasts
In diffusion, particles _____.
move from high to low concentration
need energy to move
must use ATP to move
move from low to high concentration
A red blood cell has a 0.9% NaCl concentration on the inside. What will happen if it's placed in an isotonic solution?
It will stay the same size.
It will swell.
It will shrink.
It will dissolve.
A red blood cell has a 0.9% NaCl concentration on the inside. What will happen if it's placed in an hypertonic solution?
It will stay the same size.
It will swell.
It will shrink.
It will dissolve.
A red blood cell has a 0.9% NaCl concentration on the inside. What will happen if it's placed in an hypotonic solution?
It will stay the same size.
It will swell.
It will shrink.
It will dissolve.
The process of water diffusing through the membrane of the chicken egg is better known as _____.
osmosis
active transport
the sodium-potassium pump
None of these are correct.
Larger molecules like glucose or amino acids move into or out of a cell by the process of _____.
facilitated diffusion
simple diffusion
osmosis
sodium-potassium pumps
True or false, when particles can't slip between the phospholipids of the cell membrane, they can gain passage in or out by traveling through membrane/channel proteins.
True
False
True or false, active transport requires energy/ATP.
True
False
True or false, active transport only moves large particles.
True
False
True or false, active transport only allows substances to leave the cell.
True
False
Proteins & polysaccharides get out of cells by using vesicles in a process called _____.
endocytosis
exocytosis
facilitated diffusion
osmosis
Proteins & polysaccharides get into cells by using vesicles in a process called _____.
endocytosis
exocytosis
facilitated diffusion
osmosis
The job of the cell/plasma membrane is to _____.
allow wastes to leave the cell
allows nutrients to enter the cell
regulate the movement of water into & out of the cell
All of these are correct.
The tails of the phospholipids making up the cell membrane bilayer are _____.
polar
nonpolar
hydrophilic
None of these are correct.
The tails of the phospholipid bilayer _____.
prevent ions from passing through
prevent most polar molecules from getting through.
prevent ions & most polar molecules from getting through
None of these are correct.
Which statement is correct?
Cellular respiration uses sugar
Cellular respiration & photosynthesis both involve water.
photosynthesis makes sugar.
All of these are correct.
Which statement is correct?
Photosynthesis removes CO2 from the environment & cellular respiration adds it back.
Cellular respiration removes O2 from the environment & photosynthesis adds it back.
Photosynthesis removes H2O from the environment & cellular respiration adds it back.
All of these are correct.
True or false, the products of photosynthesis become the reactants of cellular respiration.
True
False
True or false, if CO2 is removed from a plant's environment, sugar will still be made.
True
False
What are the reactants for cellular respiration?
CO2 & H2O
H2O & O2
C6H12O6 & CO2
C6H12O6 & O2
What are the products of cellular respiration?
CO2 & H2O
H2O & O2
C6H12O6 & CO2
C6H12O6 & O2
What are the reactants for photosynthesis?
CO2 & H2O
H2O & O2
C6H12O6 & CO2
C6H12O6 & O2
What are the products of photosynthesis?
CO2 & H2O
H2O & O2
C6H12O6 & CO2
C6H12O6 & O2
cellular respiration releases energy by breaking down _____.
glucose molecules
lipid molecules
food molecules
All of these are correct.
Cellular respiration occurs in _____.
plant cells
animal cells
Both plant & animal cells
only bacteria
What organelle is responsible for making ATP through cellular respiration?
What organelle is responsible for making glucose through photosynthesis?
During the muscle fatigue lab, muscle soreness was caused by a buildup of _____.
glycolysis
oxygen
lactic acid
alcohol
Energy is released from ATP when _____.
the ribose sugar is added
the nitrogen base adenine is broken down
a phosphate group is added
a phosphate group is removed
ADP is made from ATP by _____.
adding a phosphate group
removing a phosphate group
removing the nitrogen base adenine
removing ribose sugar
Most of the energy that drives metabolism comes from ATP, which is known as the cell's _____.
"energy currency"
"energy deficiency"
"energy drain"
"enzyme energy"
If oxygen is not present, _____ allows fermentation to occur.
the citric acid cycle
the Krebs cycle
anaerobic respiration
aerobic respiration
Autotrophs can make their own food by _____.
chemosynthesis
photosynthesis
both chemosynthesis & photosynthesis
neither chemosynthesis nor photosynthesis
True or false, heterotrophs cannot make their own food.
True
False
If you have one strand of DNA with the nitrogen base sequence of AAT TGC CGG, what would the complementary strand look like?
TTA ACG GCC
UUA ACG GCC
AAT TGC CGG
None of these are correct.
The monomer units that make up a DNA molecule are called _____.
nucleotides
amino acids
monosaccharides
fatty acids
A nucleotide is made up of _____.
a 5-carbon sugar
a nitrogen base
a phosphate group
All of these are correct.
The end product of DNA replication is _____.
new RNA
2 new double stranded DNA molecules
a lot of single stranded DNA molecules
double stranded RNA
True or false, the individual bases from existing DNA strands must be transmitted to new DNA strands during replication to maintain genetic information.
True
False
_____ is the balanced chemical equation for photosynthesis. _____ is the balanced chemical equation for cellular respiration.
6CO2 + 6H2O + sunlight --> C6H12O6 + 6O2
C6H12O6 + 6O2 --> 6CO2 + 6H2O + ATP
C6H12O6 + 6O2 --> 6CO2 + 6H2O + ATP
6CO2 + 6H2O + sunlight --> C6H12O6 + 6O2
C6H12O6 + O2 --> CO2 + H2O + ATP
CO2 + H2O + sunlight --> C6H12O6 + O2
CO2 + H2O + sunlight --> C6H12O6 + O2
C6H12O6 + O2 --> CO2 + H2O + ATP
