The Building Blocks of Life: Unit Test Review -BAMS
Cohort 6 Exam 2023 with complete solution
Which reaction is exothermic?
a reaction that absorbs energy from the environment
a reaction that requires an activation energy
a reaction that releases energy into the environment
a reaction that does not involve a change in energy
a reaction that releases energy into the environment
Which food contains mostly polysaccharides?
cake
sugar
berries
pasta
pasta
The diagram shows a straight chain of glucose molecules.
mc005-1.jpg
Which polysaccharide is shown?
cellulose
glycogen
chitin
starch
starch
Which statement best illustrates a biotic or an abiotic factor that is often found in
a city park?
Decaying leaves are an abiotic factor because they are not living.
Rocks are an abiotic factor because they have never been alive.
Water in ponds is a biotic factor, because it provides a habitat for living things.
Oxygen is a biotic factor, because it is required for life and found in all living
things.
Rocks are an abiotic factor because they have never been alive.
Which is abiotic?
tree sap
insect
sunlight
wood table
sunlight
Which component is affected when a catalyst is added to a chemical reaction?
the amount of substrate
the activation energy
the amount of product
the concentration of reactants
the activation energy
Cohort 6 Exam 2023 with complete solution
Which reaction is exothermic?
a reaction that absorbs energy from the environment
a reaction that requires an activation energy
a reaction that releases energy into the environment
a reaction that does not involve a change in energy
a reaction that releases energy into the environment
Which food contains mostly polysaccharides?
cake
sugar
berries
pasta
pasta
The diagram shows a straight chain of glucose molecules.
mc005-1.jpg
Which polysaccharide is shown?
cellulose
glycogen
chitin
starch
starch
Which statement best illustrates a biotic or an abiotic factor that is often found in
a city park?
Decaying leaves are an abiotic factor because they are not living.
Rocks are an abiotic factor because they have never been alive.
Water in ponds is a biotic factor, because it provides a habitat for living things.
Oxygen is a biotic factor, because it is required for life and found in all living
things.
Rocks are an abiotic factor because they have never been alive.
Which is abiotic?
tree sap
insect
sunlight
wood table
sunlight
Which component is affected when a catalyst is added to a chemical reaction?
the amount of substrate
the activation energy
the amount of product
the concentration of reactants
the activation energy
