LS1.2 Feedback Mechanisms and Homeostasis
Authored by LUSHAN WEBB
Biology
11th Grade
NGSS covered
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53 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Homeostasis maintains a perfectly static, unchanging internal environment.
True
False
Tags
NGSS.HS-LS1-3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Homeostatic mechanisms are only active when a variable is out of its set point.
True
False
Tags
NGSS.HS-LS1-3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The 'set point' for a variable is fixed and cannot change.
True
False
Tags
NGSS.HS-LS1-3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Positive feedback is always a negative or harmful process.
True
False
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Positive feedback loops, which amplify a stimulus, are necessary for certain physiological processes such as childbirth and blood clotting.
True
False
Tags
NGSS.HS-LS1-3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Feedback mechanisms work in isolation.
True
False
Tags
NGSS.HS-LS1-3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fill in the blank: Homeostasis is a state in which the internal conditions of an organism are in an optimal range but are not necessarily _____
equal
constant
stable
identical
Tags
NGSS.HS-LS1-3
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