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WorksheetsPlant Homeostasis
Total questions: 43
Worksheet time: 35mins
Name
Class
Date
1.
Poison Ivy growing on a tree by touch.
a)
Geotropism (Gravitropism)
b)
Phototropism
c)
Thigmotropism
d)
Hydrotropism
2.
A plant growing in response to the sunlight.
a)
Geotropism (Gravitropism)
b)
Phototropism
c)
Thigmotropism
d)
Hydrotropism
3.
The shoot of a plant growing up.
a)
Positive Geotropism (Gravitropism)
b)
Negative Geotropism (Gravitropism)
c)
Thigmotropism
d)
Hydrotropism
4.
The root of a plant growing down.
a)
Positive Geotropism (Gravitropism)
b)
Negative Geotropism (Gravitropism)
c)
Thigmotropism
d)
Hydrotropism
5.
When a plant responds to gravity it is called:
a)
Phototropism
b)
Thigmotropism
c)
Geotropism (Gravitropism)
d)
Hydrotropism
6.
When a plant grows toward a stimuli it is known as:
a)
Positive
b)
Negative
7.
When a plant grows away from a stimuli it is called:
a)
Positive
b)
Negative
8.
When the plant responds to light, it is known as:
a)
Phototropism
b)
Geotropism (Gravitropism)
c)
Thigmotropism
d)
Hydrotropism
9.
When the plant responds to touch it is known as:
a)
Phototropism
b)
Thigmotropism
c)
Geotropism (Gravitropism)
d)
Hydrotropism
10.
What type of tropism responds to light?
a)
Geotropism (Gravitropism)
b)
Thigmotropism
c)
Phototropism
d)
Hydrotropism
11.
What type of tropism responds to gravity?
a)
Hydrotropism
b)
Phototropism
c)
Thigmotropism
d)
Geotropism (Gravitropism)
12.
Which of the following responses is a plant growing toward or leaning toward touch?
a)
thigmotropism
b)
hydrotropism
c)
phototropism
d)
geotropism (Gravitropism)
13.
A vine plant brushes against a fence and wraps itself around the fence. To what stimulus is the plant responding?
a)
phototropism
b)
hydrotropism
c)
thigmotropism
d)
geotropism (Gravitropism)
14.
Which type of tropism?
a)
hydrotropism
b)
thigmotropism
c)
phototropism
d)
geotropism (Gravitropism)
15.
When a plant bends towards a light source, this is known as:
a)
positive geotropism (Gravitropism)
b)
negative geotropism (Gravitropism)
c)
positive phototropism
d)
negative phototropism
16.
The Venus flytrap closing in response to a bug touching it is an example of...
a)
Phototropism
b)
Hydrotropism
c)
Geotropism (Gravitropism)
d)
Thigmotropism
17.
Is light an internal or external stimulus?
a)
Internal
b)
External
18.
What type of tropism is seen here with the ivy plant growing around the wooden stake?
a)
phototropism
b)
geotropism (Gravitropism)
c)
thigmotropism
d)
hydrotropism
19.
What type of tropism is seen here?
a)
hydrotropism
b)
phototropism
c)
geotropism (Gravitropism)
d)
thigmotropism
20.
What does this picture represent?
a)
Thigmotropism
b)
Phototropism
c)
Hydrotropism
d)
Geotropism (Gravitropism)
21.
Why do plants wilt?
a)
low turgor pressure
b)
high turgor pressure
c)
too much water
d)
no cell membrane
22.
The shoot of a plant growing up.
a)
Positive Geotropism/Gravitropism
b)
Negative Geotropism/Gravitropism
c)
Thigmotropism
d)
Hydrotropism
23.
The root of a plant growing down.
a)
Positive Geotropism/Gravitropism
b)
Negative Geotropism/Gravitropism
c)
Thigmotropism
d)
Hydrotropism
24.
The way an organism reacts is called -
a)
photosynthesis
b)
a response
c)
a stimulus
d)
homeostasis
25.
A growth response in plants is called a -
a)
stimuli
b)
photosynthesis
c)
homeostasis
d)
tropism
26.
A plant wilting is an example of -
a)
an internal stimulus
b)
an external stimulus
c)
plant death
d)
a response to maintain homeostasis
27.
Which of the following is not an example of external stimuli?
a)
Thirst
b)
Light
c)
Temperature
d)
Gravity
28.
True or False. Wilting is when a plant loses turgor pressure.
a)
True
b)
False
29.
Which of the following is an example of an external stimulus?
a)
Thirst
b)
Eating
c)
Temperature
d)
Sweating
30.
A balanced internal environment is called -
a)
photosynthesis
b)
internal stimulus
c)
homeostasis
d)
external stimulus
31.
What is another word that can be used to describe "homeostasis"?
a)
STABLE
b)
EQUAL
c)
COMPLETE
d)
CORRECT
32.
When a threatening situation appears, what is the name of the instinctive mechanism used by animals to protect themselves?
a)
Flight or Run
b)
Hide and Seek
c)
Fight or Flight
d)
Run and Fight
33.
What part of a plant shows positive geotropism?
a)
the roots
b)
the stem
c)
the leaves
d)
the flower
34.
When a plant bends towards a light source, this is known as:
a)
positive geotropism
b)
negative geotropism
c)
positive phototropism
d)
negative phototropism
35.
The stimulus involved in thigmotropism is
a)
sound
b)
light
c)
taste
d)
touch
36.
The "cause" for something to happen is the
a)
response
b)
effect
c)
stimulus
d)
homeostasis
37.
The "effect" of a given stimulus is the...
a)
response
b)
stimulus
c)
cause
d)
result
38.
A stimulus type that occurs within the organisms body is
a)
external
b)
inside
c)
within
d)
internal
39.
Is light an internal or external stimulus?
a)
Internal
b)
External
40.
What type of stimuli is this?
a)
Internal
b)
External
c)
Tropism
d)
Response
41.
Any change in an organism’s environment that causes to the organism to react.
a)
Stimuli
b)
Response
c)
Tropism
d)
Homestasis
42.
This plant is displaying _________ turgor pressure
a)
low
b)
high
c)
None
d)
Full
43.
What caused this plant's behavior?
a)
response to gravity
b)
negative homeostasis
c)
excessive humidity
d)
lack of turgor pressure
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