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WorksheetsBuffers Concept Check
Total questions: 15
Worksheet time: 15mins
Evaluate the riparian zone that is shown.
Ideal riparian zone
Damaged riparian zone
Repairing the riparian zone
Evaluate the riparian zone pictured.
Ideal riparian zone
Damaged riparian zone
Repairing the riparian zone
Which of the following are benefits of both forest buffers and wetlands? (Check all that apply.)
Provides habitat
Reduces sediment pollution caused by erosion
Concentrates toxic pollutants
Filters and cleans runoff
Which of the following would most likely help the Cub Run Watershed?
Adding forest buffers
Adding impervious surfaces
Removing rain gardens
Removing retention ponds
Which important role do trees play in the health of the bay?
Create shade
They are pretty
Help stop erosion
Provide lumber
Why are buffers important in biological systems? Check all that apply.
Buffers are used in chemical reactions.
Buffers resist changes in pH.
Buffers help breakdown molecules.
Buffers help to maintain homeostasis.
What is the primary function of a buffer solution in a chemical reaction?
To speed up the reaction
To maintain a constant pH
To change the color of the solution
To increase the temperature
Which of the following is a common buffer system in human blood?
Carbonic acid-bicarbonate
Hydrochloric acid
Sulfuric acid
Nitric acid
In a buffer solution, what happens when a small amount of acid is added?
The pH increases significantly
The pH decreases significantly
The pH remains relatively stable
The solution becomes neutral
Which of the following best describes a buffer's role in maintaining pH balance in biological systems?
Buffers neutralize all acids and bases
Buffers prevent any change in pH
Buffers minimize changes in pH
Buffers increase the pH of acidic solutions
What is the Henderson-Hasselbalch equation used for?
Calculating the pH of a buffer solution
Determining the boiling point of a liquid
Measuring the concentration of a solute
Finding the melting point of a solid
Which of the following components are necessary for a buffer solution?
A strong acid and a strong base
A weak acid and its conjugate base
A strong base and a weak acid
A neutral salt and water
How does a buffer solution respond to the addition of a small amount of base?
The pH decreases significantly
The pH increases significantly
The pH remains relatively stable
The solution becomes acidic
Why are buffers important in industrial processes?
They increase the speed of reactions
They maintain optimal pH for reactions
They change the color of the products
They reduce the temperature of reactions
Which of the following is an example of a buffer solution?
Pure water
Vinegar
Ammonia solution
Acetic acid and sodium acetate
