
Biology Quiz on Key Concepts

Quiz
•
Biology
•
12th Grade
•
Easy
+20
Standards-aligned
Arti Jewett
Used 18+ times
FREE Resource
70 questions
Show all answers
1.
OPEN ENDED QUESTION
3 mins • 1 pt
Why have a control group?
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Answer explanation
A control group is essential to isolate the effect of the treatment by providing a baseline for comparison. It helps determine if the observed effects are due to the treatment or other factors.
2.
OPEN ENDED QUESTION
3 mins • 1 pt
What does a negative control tell you? What does a positive control tell you?
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Answer explanation
A negative control shows that the experiment is working properly by yielding no effect when no treatment is applied. A positive control confirms that the experimental setup can detect an effect when it is expected.
3.
OPEN ENDED QUESTION
3 mins • 1 pt
How to increase internal & external validity
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Answer explanation
To increase internal validity, control extraneous variables and use random assignment. For external validity, ensure diverse samples and realistic settings to generalize findings effectively.
4.
OPEN ENDED QUESTION
3 mins • 1 pt
How to interpret graphs, charts, etc.
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Answer explanation
To interpret graphs and charts, identify the axes, labels, and legends. Analyze trends, compare data points, and look for patterns. Consider the context and source of the data for accurate conclusions.
Tags
NGSS.HS-LS2-2
NGSS.HS-PS2-1
NGSS.HS-PS4-1
5.
OPEN ENDED QUESTION
3 mins • 1 pt
Organic vs inorganic molecules
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Answer explanation
Organic molecules contain carbon and are typically associated with living organisms, while inorganic molecules do not primarily contain carbon. Examples include carbohydrates (organic) and salts (inorganic).
Tags
NGSS.HS-LS1-6
NGSS.HS-LS2-5
6.
OPEN ENDED QUESTION
3 mins • 1 pt
pH - what does it measure?
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Answer explanation
pH measures the acidity or alkalinity of a solution on a scale from 0 to 14, with lower values indicating acidity, higher values indicating alkalinity, and 7 being neutral.
7.
OPEN ENDED QUESTION
3 mins • 1 pt
Properties of water and how they affect life
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Answer explanation
Water's unique properties, like cohesion, high specific heat, and solvent capabilities, support life by regulating temperature, facilitating chemical reactions, and enabling nutrient transport in organisms.
Tags
NGSS.HS-ESS2-5
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