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9th Grade

15 Qs

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Feedback

Feedback

Assessment

Quiz

Science

9th Grade

Practice Problem

Hard

NGSS
HS-LS1-3

Standards-aligned

Created by

Lisa Thompson

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

This image is an example of

Equilibrium

Negative

Positive

Temperture

2.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Negative feedback loops result in stabilization of a system.

Negative feedback is a process that _______ the effects of a change.

reduces

amplifies

has no effect

Tags

NGSS.HS-LS1-3

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Positive feedback loops result in a system moving towards an extreme. Positive feedback is a process that _______ the effects of a change.

reduces

amplifies

has no effect

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The two types of feedback systems that help organisms maintain homeostasis are:

positive and negative 

receptor and effector

static and dynamic

minor and major

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. This is an example of a:

Positive Feedback Loop

Negative Feedback Loop

Tags

NGSS.HS-LS1-3

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is an example of positive feedback?

Thermoregulation

Blood Pressure

Childbirth

Blood Sugar Levels

Tags

NGSS.HS-LS1-3

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Homeostasis

allows for a wildly fluctuating internal environment

is impossible in vertebrates

is the maintenance of a relatively stable internal environment and often incorporates a form of feedback regulation

is the maintenance of a relatively stable external environment and often incorporates a form of feedback regulation

Tags

NGSS.HS-LS1-3

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