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Investigating Plant Systems

Total questions: 25

Worksheet time: 39mins

Name
Class
Date
1.

What are the levels of organization in plants?

a)

Plants have cells, but not tissues.

b)

Plants are made up of cells, tissues, organs, and organ systems

c)

Plants contain cells and tissues, but not organs.

2.

___________________________ is growth that happens in organisms in response to light, such as a stem bending toward a light source.

a)

transpiration

b)

gravitropism

c)

phototropism

3.

Which action describes a response to internal stimuli?

a)

catching a ball at a baseball game

b)

drinking when you are thirsty

c)

running at the sight of a wild lion

4.

_________________ is something that causes a response from an organism.

a)

geotropism

b)

emergence

c)

stimulus

d)

water

5.

An example of a positive tropism to gravity is the ________________.

a)

shoot system growing down

b)

root system growing down

c)

shoot system growing up

6.

When the plant cells contain a lot of water, the water exerts force on their cell walls. This force is called _____________________>

a)

force pressure

b)

transpiration

c)

turgor pressure

d)

out side pressure

7.

In general, leaves, roots, stems and flowers are

a)

Plant Systems

b)

Plant Cells

c)

Plant Organs

d)

Plant Organisms

8.

The plant hormone response to the

force of gravity

a)

Phototropism

b)

Geotropism

c)

Thigmotropism

d)

Transpiration

9.
What type of tropism is seen here with the ivy plant growing around the wooden stake?
a)
phototropism
b)
geotropism
c)
thigmotropism
d)
hydrotropism
10.

Wilting is a plant's response to:

a)

High turgor pressure

b)

Low turgor pressure

c)

Gravity

d)

Sunlight

11.

Turgor pressure is a result of water in what plant cell organelle?

a)

Mitochondrion

b)

Nucleus

c)

Cell wall

d)

Vacuole

12.

This plant's response to touch is ???

a)

Phototropism

b)

Germination

c)

Thigmotropism

d)

Gravitropism/geotropism

13.

Which part of the plant shows positive phototropism?

a)

The roots

b)

Stems and leaves

14.

Which part of the plant shows negative phototropism?

a)

Leaves and stems

b)

Roots

15.

True or False? Plants have tissues and organs.

a)

True

b)

False

16.

What is the force inside the central vacuole called?

a)

The Force

b)

Turgor Pressure

c)

Water Pressure

d)

Thigmotropism

17.

The roots in this plant are exhibiting (showing)

a)

Hydrotropism & Geotropism

b)

Photoropism

c)

Only geotropism

d)

Thigmotropism & Phototropism

18.

The plant is following the light.

a)

Phototropism

b)

Thigmotropism

c)

Hydrotropism

d)

Geotropism

19.

This plant will most likely be _______________.

a)

Limp or wilted

b)

stiff and rigid

20.

This plant would most likely be __________________.

a)

Limp or wilted

b)

Stiff and rigid

21.
The ___________ is the basic unit of life. Examples include plant, animal, and bacteria. 
a)
organ
b)
cell
c)
atom
d)
tissue
22.
In a plant cell, a stiff wall surrounds the membrane, giving the cell a rigid, boxlike shape.
a)
cell membrane
b)
cell
c)
ribosome
d)
cell wall
23.

What is the level of organization?

a)

cell

b)

organ

c)

organ system

d)

tissue

24.

What is the level of organization?

a)

cell

b)

organ

c)

organ system

d)

tissue

25.

What is the level of organization?

a)

cell

b)

organ

c)

organ system

d)

tissue