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Homeostasis and Feedback Mechanisms

Interactive Video
•
Biology
•
11th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Genetic mutations
Photosynthesis processes
Cell division
Homeostatic mechanisms
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does homeostasis refer to in biological terms?
The synthesis of proteins
The process of cell division
The maintenance of a constant internal environment
The breakdown of glucose
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a component involved in homeostasis?
Chloroplasts
Effectors
Control centers
Receptors
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role do receptors play in homeostasis?
They produce hormones
They detect changes in the environment
They store energy
They transport oxygen
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does negative feedback help maintain homeostasis?
By causing random fluctuations
By inhibiting all physiological processes
By restoring conditions to a set point
By amplifying changes
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which example best illustrates a negative feedback mechanism?
Fruit ripening
Blood sugar regulation
Childbirth contractions
Action potential
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a characteristic of positive feedback mechanisms?
They inhibit physiological responses
They maintain a constant state
They amplify changes
They decrease stimulus intensity
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