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WorksheetsSemester Review
Total questions: 40
Worksheet time: 20mins
The primary role of oxygen in respiration is to:
yield energy in the form of ATP as it is passed down the respiratory chain
act as an acceptor for electrons and hydrogen, forming water
combine with carbon, forming carbon dioxide
catalyze glycolysis reactions.
A scientific hypothesis must be proposed in a way that:
ensures that the experiment will be proven true
ensures that the experiment will work
enables the hypothesis to be proven or disproven
doesn’t interfere with a previous hypothesis.
The membranes upon which the reactions for respiration occur are the:
thylakoids
grana
cristae
natrix membranes
Data that is numerical and is obtained by counting or measuring is called:
qualitative
scientific
quantitative
variable
When graphing the data obtained from an experiment, the dependent variable is always placed on which axis of the graph?
the x-axis
the y-axis
the z-axis
either axis is fine
The process of respiration is performed by:
all animals and non-green plants
all plants and some animals
all plants and animals except bacteria
all living things.
Organisms that are capable of producing their own food are called:
heterotrophs
decomposers
autotrophs
detritivores
Respiration is the process by which:
radiant energy is transformed into chemical energy in food
chemical energy in glucose is released and stored in ATP
the chemical energy of foods is released as heat and light
radiant energy in glucose is released as heat and light
The slide is held on the microscope by the:
objectives
clips
diaphragm
rotating nosepiece
What is the net gain of ATP in anaerobic respiration?
2
4
36
38
The man who built the basic design of the compound microscope that we still use today is:
Janssen brothers
Robert Hooke
Anton von Leeuwenhoek
Dujardin
If a student is using a microscope with a 6x ocular and a 10x objective, a 20x objective, and a 40x objective, what is the HIGHEST magnification he can get?
48
60
240
400
Which one of the following is the correct order of the stages of respiration?
Electron Transport Chain, Krebs Cycle, Glycolysis
Krebs Cycle, Glycolysis, Electron Transport Chain
Glycolysis, Electron Transport Chain, Krebs cycle
Glycolysis, Krebs Cycle, Electron Transport Chain
The type of microscope that has two sets of lenses is:
simple
reflecting
compound
electron
Carbon atoms are incorporated into organic molecules (glucose) in which stage?
Calvin cycle
light dependent reactions
electron transport chains
photosystem II
The oxygen gas produced in photosynthesis is generated by:
the splitting of carbon dioxide
the reduction of PGAL
the splitting of water during the light dependent reaction
addition of carbon dioxide to a five-carbon molecule
When water molecules stick to other water molecules, it is known as:
adhesion
capillary action
cohesion
covalent bonding
The nucleus of an atom is composed of:
protons and electrons
protons and neutrons
neutrons and electrons
protons, neutrons and electrons
What two substances are produced in photosynthesis that are essential for most life on earth?
glucose and water
water and carbon dioxide
oxygen and glucose
carbon dioxide and oxygen
ATP serves which function in cells:
it carries hereditary traits from generation to generation
it serves as a source of immediate energy for cells
it serves as a hydrogen acceptor during chemical reactions
it serves as an enzyme during photosynthesis and respiration
Which one of the following is true of the polarity of water?
The oxygen atom is slightly positive and the hydrogen atom is slightly negative.
Both the oxygen and the hydrogen atoms are slightly positive.
Both the oxygen and the hydrogen atoms are slightly negative.
The oxygen atom is slightly negative and the hydrogen atom is slightly positive.
Photosynthesis takes place in which part of the cell?
chloroplasts
chromosomes
mitochondria
centrioles
The building blocks of proteins are:
glucose molecules
amino acids
glucose and fatty acids
fatty acids and glycerol
Photosynthesis is the process by which:
chemical energy in glucose is transformed into chemical energy in ATP
chemical energy of foods is released as heat and light
radiant energy from the sun is transformed into chemical energy in glucose
radiant energy is transformed into heat and light.
When particles move across the membrane from a high to low concentration and require the help from transport proteins, it is called?
osmosis
active transport
diffusion
exocytosis
Which of the following is NOT a characteristic of active transport?
Active transport is required to move a substances from a low to a high concentration.
Active transport is required for facilitated diffusion.
Active transport requires energy.
Active transport is required for phagocytosis and pinocytosis.
If a cell is placed into a solution, and this causes the cell to take in water, the solution is considered a?
hypodermic solution
hypertonic solution
hypotonic solution
isotonic solution
An equal concentration of water molecules on both sides of the cell membrane is said to be:
isotonic
hypertonic
hypotonic
osmotic
The site of cellular respiration is the:
mitochondrion
ribosomes
Golgi body
lysosome
Who looked at cork cells under the microscope and was the first man to use the word “cell”?
Schleiden
Schwann
Virchow
Hooke
Which one of the following is NOT true about enzymes?
The shape of the enzyme determines its ability to speed up a chemical reaction.
Enzymes are affected by the temperature of their environment.
Enzymes can function at any pH level.
An enzyme that has lost its unique shape is said to be denatured.
Which of the following elements is the basis for all organic compounds?
carbon
hydrogen
oxygen
nitrogen
The process of engulfing liquids is called:
phagocytosis
passive transport
diffusion
pinocytosis
An equal concentration of water molecules on both sides of the cell membrane is said to be:
isotonic
hypertonic
hypotonic
osmotic
This large structure in a plant cell is filled with water creating turgor pressure:
central vacuole
cell wall
cytoplasm
chloroplasts
Which one of the following is NOT true about activation energy?
It is the initial investment of energy needed to start a chemical reaction.
Activation energy is used to create new bonds after products are formed.
Activation energy is lowered when enzymes bind to substrate molecules.
Activation energy is needed to break bonds in reactant molecules.
In the equation, V + XYXZ --> XY + XZ + V, the enzyme would be:
V
XYXZ
XY
XZ
A pure substance consisting of all the same type of atom is:
a compound
a polar molecule
a mixture
an element
The lens system of a microscope consists of the:
mirror and diaphragm
diaphragm and objectives
objectives and ocular
ocular and mirror
When using the highest power objective, you would:
have the diaphragm closed
never use a coverslip
use the fine adjustment knob
beware of large protozoa
