
Feedback Loops and Homeostasis in Biological Systems

Interactive Video
•
Biology, Science
•
9th - 12th Grade
•
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 main characteristic of a negative feedback loop?
It has no target set point.
It stabilizes around a set point.
It amplifies changes.
It moves away from equilibrium.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do organisms maintain a stable internal environment?
By ignoring external changes.
Through feedback loops.
By constantly changing their internal state.
By relying solely on external conditions.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of vasodilation in temperature regulation?
It prevents sweating.
It helps in heat loss through the skin.
It decreases blood flow to the skin.
It increases body temperature.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a positive feedback loop?
Childbirth contractions.
Maintaining blood pressure.
Temperature regulation in humans.
Blood glucose regulation.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What hormone is responsible for fruit ripening in a positive feedback loop?
Auxin
Gibberellin
Ethylene
Cytokinin
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when blood glucose levels are too high?
Glucagon is released.
Blood glucose levels remain unchanged.
The pancreas stops functioning.
Insulin is released.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary issue in type 1 diabetes?
Excess insulin production.
Lack of glucagon production.
Destruction of beta cells.
Overactive alpha cells.
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