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Total questions: 26

Worksheet time: 25mins

Name
Class
Date
1.

Plant growth in response to a stimulus is called ................

a)

tropism

b)

cellular respiration

c)

photosynthesis

d)

transpiration

2.

A change in direction of plant growth either toward or away from the light.

a)

phototropism

b)

positive gravitropism

c)

gravitropism

d)

geotropism

3.

Change in the growth of a plant's root toward the center of the Earth or the force of gravity.

a)

Positive grvitropism

b)

phototropism

c)

positive phototropism

4.

Change in the direction plant grows caused by gravity.

a)

gravitropism

b)

phototropism

5.

What is tropism?

a)

A plant's response to a stimulus

b)

A plant reproducing

c)

An animal's response to a stimulus

d)

A prokaryote's response to a stimulus

6.

Which of these are types of tropism? Select all that apply:

a)

Hydrotropism

b)

Synthetropism

c)

Electrotropism

d)

Gravitropism

7.

True or False: a stimulus is anything that causes a plant to die

a)

True

b)

False

8.

What is gravitropism/geotropism?

a)

The movement of a plant in response to gravity

b)

The movement of a plant in response to earthquakes

c)

The movement of bacteria in response to changes in temperature

d)

The movement of plants towards water

9.

What is hydrotropism?

a)

The movement of plants towards water

b)

The movement of plants away from water

c)

The rate of growth of a plant in response to temperature changes in water

d)

A plant's response to gravity and touch

10.

What is thigmotropism?

a)

The movement of plants in response to touch

b)

The movement of plants toward the sun

c)

A prokaryote's movement inside the bloodstream

d)

The movement of plants in response to gravity

11.

Which of these are not tropisms? Select all that apply:

a)

Gravitropism

b)

Chemotropism

c)

Phototropism

d)

Tempertropism

12.

What is phototropism?

a)

The movement of plants towards light

b)

The movement of plants away from light

c)

The movement of plants in response to infrared light

d)

The movement of plants towards water

13.

True or False: Hydrotropism is the same as Thigmotropism

a)

True

b)

False

14.
Which of the following responses is a plant growing toward or leaning toward light?
a)
thigmotropism
b)
hydrotropism
c)
phototropism
d)
gravitropism
15.
A sunflower turns toward the sun, what type of tropism would this be? 
a)
Hypothyroidism 
b)
Phototropism
c)
Thigmotropism
d)
Geotropism
16.

Most plants have flat leaves to...

a)

help them catch sunlight

b)

allow raindrops to slides easily off it

c)

help spread seeds

17.
The word Tropism mean_________
a)
growth in response to stimuli
b)
to create something new
c)
Chemical energy
d)
Taproot system
18.
What does it mean if a plant has a POSITIVE phototropism?
a)
That the plant grows toward light.
b)
That the plant grows away from light.
c)
That the plant grows toward gravity.
d)
That the plant grows away from gravity. 
19.

When plants grow in towards the light, this is called:

a)

Phototropism

b)

Geotropism

c)

Germination

d)

Thigmotropism

20.
What type of tropism response to water? 
a)
Hydrotropism
b)
Gravitropism
c)
Thigmotropism
d)
Phototropism
21.
What type of tropism response to light? 
a)
Gravitropism
b)
Thigmotropism
c)
Phototropism
d)
Hydrotropism
22.

Geotropism is a plant's response to what?

(a)  

23.

Which type of tropism is represented in the photograph?

a)

Hydrotropism

b)

Thigmotropism

c)

Phototropism

d)

Geotropism

24.

What is gravitropism?

a)

Response to water

b)

Response to touch

c)

Response to gravity

d)

Response to light

25.
What type of tropism response to light? 
a)
Gravitropism
b)
Thigmotropism
c)
Phototropism
d)
Hydrotropism
26.

What is the stimulus in this example?

a)

Internal

b)

Light

c)

Touch

d)

Temperature