

Experimental Design and Enzyme Activity
Interactive Video
•
Biology
•
9th - 10th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in planning an investigation according to the video?
Selecting appropriate equipment and substances
Writing a hypothesis
Choosing the research topic
Analyzing data
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to choose the correct size of measuring equipment?
To make the experiment look professional
To achieve precise measurements
To save on costs
To ensure the experiment is completed quickly
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should a well-written method allow others to do?
Improve the experiment
Predict the results
Replicate the experiment exactly
Understand the theory behind the experiment
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the investigation activity, what is the role of catalase?
It acts as a substrate
It is a control variable
It is an enzyme that speeds up the reaction
It is a byproduct of the reaction
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using a gas syringe in the experiment?
To store the reactants
To measure the temperature
To mix the reactants
To collect and measure the volume of gas produced
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to maintain the same concentration of hydrogen peroxide in the experiment?
To ensure consistent enzyme activity
To keep the reaction time short
To ensure the reaction is visible
To prevent the reaction from occurring
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the benefit of repeating the experiment multiple times?
To impress the examiner
To use up all the materials
To calculate an average and identify anomalies
To make the experiment more interesting
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