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WorksheetsBiology Semester 1 Review JHS
Total questions: 54
Worksheet time: 53mins
What is the DEPENDENT variable (effect) in this experiment?
"Does eating breakfast improve test scores?"
eating breakfast or not
the grade you got on the test
what time you get up in the morning
how tasty the breakfast is
What is the control group?
The group that changes
The group that is used as a comparison
The group that responds to the changes
The group that wants everything their own way
Information gathered from watching a plant grow 2cm in a week is called what?
Variables
Data
Hypothesis
Theory
When is a hypothesis created?
Before making observations and asking questions
After the experiment is performed
Before the experiment is performed
After results are communicated
There are two types of data. Which type of data involves numbers that are obtained by counting or measuring?
quantitative
qualitative
There are two types of data. Which type of data involves descriptions that cannot be counted or measured?
qualitative
quantitative
Living things are based on a universal genetic
code. What molecule is responsible for that code?
RNA
Lipid
Protein
DNA
The combination of chemical reactions through
which an organism builds up or breaks down
materials as it carries out its life processes is called ...
absorption
metabolism
digestion
consumption
Maintaining a stable internal
environment is called
homeostasis
equilibrium
balance
evenness
Identify the characteristic: when you step out into the cold, your body shivers in order to keep its temperature at 98.6oF.
All living things use energy
All living things contain cells
All living things maintain homeostasis
All living things grow and develop
Identify the characteristic: a caterpillar hibernates in a cocoon and emerges as a butterfly.
All living things adapt to their environment
All living things use energy
All living things respond to their environment
All living things grow and develop
What is the correct order of organization?
cells->tissue->organs->organ systems-> organism
tissue->cells->organs->organ systems-> organism
organs->organ systems-> organism->cells->tissue
Which characteristic of living things is represented in the picture?
Share similar chemicals
Grows and develops
Responds to stimuli
Evolves (as a population)
Why don't populations grow indefinitely?
limiting factors
only biotic factors
only abiotic factors
none of the above
What is the arrow pointing at?
carrying capacity
biotic potential
density-independent
density dependent
Parasites, disease, and predators, are examples of what type of limiting factors?
density dependent
density independent
survivorship
type 1 curve
What does the carrying capacity mean?
The number of individuals an area can carry
the number of births
The number of deaths an area has
not sure
Immigration is ...
the movement into an area.
the movement out of an area.
the migration process.
an exponential graph.
Emigration is
the movement out of an area
the movement into an area
movement in and out of an area
migration
This graph shows ________?
exponential growth.
logistic growth.
Subatomic particles that have a negative charge
electrons
protons
quarks
neutrons
Basic unit of matter.
molecule
compound
atom
isotope
In what part of an atom can the protons and neutrons be found?
nucleus
neutrine
electron cloud
proton cloud
Which parts of the atom move around the nucleus on orbitals?
electrons
protons
electrode particles
neutrons
What is a subatomic particle without an electric charge, located in the nucleus of an atom?
neutron
proton
electron
valence electron
What is a subatomic particle with a negative charge? It is found on orbitals surrounding the nucleus.
neutron
proton
electron
electron cloud
What are the 3 subatomic particles?
the nucleus
electron cloud
positive charge
electrons, protons, and neutrons
The chemical combination of two or more elements in definite proportion.
compound
atom
ion
isotope
6 elements of life?
CHONPS
CHOMPS
CHFNPS
CHONPF
Type of bond that shares electrons between atoms.
covalent
ionic
hydrogen
Type of bond that transfers electrons between atoms.
ionic
covalent
hydrogen
Type of bond that holds one water molecule to another.
hydrogen
covalent
ionic
Which of the following is a function of the nucleic acids?
store and transmit genetic information
used to store energy
used for structural purposes in plants
used to insulate the body
The building blocks (monomers) to proteins are:
amino acids
glycerol
nucleotide
saccharides
The building blocks (monomers) for carbohydrates are:
fatty acid chains
amino acids
nucleotides
monosaccharides like glucose
Which of the following macromolecules is the main energy source of all living things?
carbohydrates
lipids
nucleic acids
proteins
Giant molecules!
macromolecules
micromolecules
really really big molecules
tiny so small molecules
Type of protein that speeds up the rate of chemical reactins?
enzymes
hormones
antibodies
saccharides
Enzymes belong to which group of organic compounds?
proteins
lipids
carbohydrates
nucleic acids
