Homeostasis and Feedback
Authored by Adam Gustaitis
Biology
9th - 10th Grade
NGSS covered
Used 222+ times
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About
This quiz focuses on homeostasis and feedback mechanisms in biological systems, making it appropriate for high school biology students in grades 9-10. The questions assess students' understanding of how organisms maintain internal balance through regulatory systems, specifically distinguishing between positive and negative feedback loops. Students need to grasp that negative feedback loops work to maintain stability by counteracting changes (like blood glucose regulation and thermoregulation), while positive feedback loops amplify processes (such as childbirth). The quiz also requires knowledge of biological organization levels and the ability to identify real-world examples of each feedback type. To succeed, students must understand the components and functions of feedback systems, recognize homeostasis as the maintenance of internal equilibrium, and apply these concepts to physiological processes in the human body. Created by Adam Gustaitis, a Biology teacher in the US who teaches grades 9-10. This quiz serves as an excellent formative assessment tool to gauge student comprehension of fundamental biological regulation concepts before advancing to more complex physiological systems. Teachers can deploy this as a quick warmup to activate prior knowledge, use it for guided practice during instruction, or assign it as homework to reinforce classroom learning. The variety of question formats—from basic definitions to application scenarios—makes it versatile for review sessions or as preparation for unit exams. This assessment aligns with NGSS standards HS-LS1-3 (planning and carrying out investigations to provide evidence that feedback mechanisms maintain homeostasis) and supports Common Core literacy standards in science by requiring students to analyze scientific information and apply biological principles to specific examples.
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12 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Negative Feedback Loops:
amplify processes
maintain a set target
are initiated during childbirth
are found only in plants
Tags
NGSS.HS-LS1-3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The two types of feedback systems that help organisms maintain homeostasis are:
Tags
NGSS.HS-LS1-3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Maintaining blood pH is an example of a:
negative feedback loop
positive feedback loop
Tags
NGSS.HS-LS1-3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Maintaining body temperature is an example of a:
Tags
NGSS.HS-LS1-3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When glucose levels in the blood rise, your brain sends a signal to your pancreas. The pancreas releases insulin, which opens channels in cell membranes to allow glucose to enter the cell, lowering blood sugar levels.
Positive Feedback Loop
Negative Feedback Loop
Tags
NGSS.HS-LS1-3
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Name two types of feedback loops.
Negative and Inhibitor
Positive and Negative
Stimulator and Increaser
Thermostat and Regulator
Tags
NGSS.HS-LS1-3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
An example of a negative feedback loop is
Blood glucose regulation
Blood pressure regulation
Thermoregulation
All of the above
Tags
NGSS.HS-LS1-3
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