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Internal and External Stimuli

Authored by AARON SMART

Science

7th Grade

NGSS covered

Used 3+ times

Internal and External Stimuli
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of an external Stimuli?

Becoming dehydrated and then taking a drink of water
Getting a headache and then taking Excedrin
Having hunger pains and then eating a sandwich
Smelling Pizza and then eating a piece

Tags

NGSS.MS-LS1-8

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Which plant would be stiff and rigid?

The plant with the full vacuole in the cell

The plant with the empty vacuole in the cell

All plants the water in the vacuole does not matter

Tags

NGSS.MS-LS1-2

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

The plant is following the light.

Phototropism

Thigmotropism

Hydrotropism

Geotropism

Tags

NGSS.MS-LS1-5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Many birds migrate long distances when the seasons change. Which of the following is an environmental stimulus that would signal to the birds the changing seasons?

Changes in the length of daylight.

Increase in the population of edible plants.

Decreased number of offspring per hatching event.

Increase in annual precipitation levels.

Tags

NGSS.MS-ESS1-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pain is a stimulus in animals that leads to responses which help the animal to -

find food in the habitat.

recuperate after exercise.

avoid harmful situations.

fight serious infections.

Tags

NGSS.MS-LS1-8

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Roots grow downward in the soil in response to-

gravity
sunlight
water 
wind

Tags

NGSS.3-PS2-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Geotropism is a force that affects certain organisms.  Which of the following is an example of a plant responding to the external stimulus of gravity?

A seedling growing towards a sunny window.
Plant roots growing down into the soil.
Flowers producing nectar to attract bees.
A potted plant wilting when it dries out.

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