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Chp. 4 Living in Water/Algae Notes Quiz

Total questions: 25

Worksheet time: 50mins

Name
Class
Date
1.

Biologists believe these gave rise to land plants

a)

diatoms

b)

green algae

c)

bacteria

d)

kelp

2.

How are seaweed classified or sorted in to groups?

a)

By their pigment

b)

By their length

c)

By the water they are found in

d)

By their shape

3.

Which seaweed can withstand the least amount of light and can grow the deepest?

a)

red

b)

brown

c)

green

d)

blue

4.

What is the name of this organism that uses silica in their cell wall?

a)

diatom

b)

coccolithophore

c)

dinoflagellate

d)

cyanobacteria

5.
_________ cause poisonous red tides.
a)
dinoflagellates
b)
diatoms
c)
euglena
d)
rhodophyta
6.
Kelp is an example of which type of algae?
a)
Blue
b)
Green
c)
Red
d)
Brown
7.
Where in our everyday life do we find algae?
a)
In our clothing
b)
In our food
c)
In our electronics
d)
In our cars
8.

Algae are

a)

Autotrophic

b)

Heterotrophic

c)

Omnitrophic

d)

Parasitic

9.
The carbohydrates Algin and Carageenan, useful in making ice cream come from 
a)
Red algae
b)
Brown algae
c)
Diatoms
d)
Golden Algae
10.
What phylum is green algae placed in? 
a)
phaeophyta
b)
rhodophyta
c)
chrysophyta
d)
chlorophyta
11.
Which type of algae is often added to toothpaste?
a)
dinoflagellates
b)
kelp
c)
red algae
d)
diatoms
12.

The female reproductive structure where the zygote diploid spore forms is called the ____________________________________.

a)

antheridium

b)

stipe

c)

oogonium

d)

thallus

13.

The structure of an algae which secures the body to the substrate?

a)

holdfast

b)

stipe

c)

blade

d)

thallus

14.

Which phylum of Algae only lives in freshwater?

a)

Chlorophyta

b)

Phaeophyta

c)

Rhodophyta

d)

Euglenophyta

15.

True or False? All algae during some point in their life cycle have a flagella.

a)

True

b)

Flase

16.

Green algae can be found in which of the following forms?

a)

unicellular

b)

colonial

c)

filamentous

d)

all of the above

17.

What kind of algae is made into biofuel?

a)

Brown algae

b)

Red algae

c)

Green algae

d)

Blue Green algae

18.

Which type of phytoplankton is associated with the red tide?

a)

Picoplankton

b)

Diatoms

c)

Dinoflagellates

d)

Coccolithophores

19.

Another reason algae /phytoplankton are important is because these serve as _____________ to most food chains in the ocean

a)

salinity protection

b)

primary food source

c)

barriers from strong currents/weather systems

d)

protection from incoming sunlight

20.
Diatoms are: 
a)
Phytoplankton
b)
Zooplankton
21.

What do dinoflagellates use to move?

a)

cilia

b)

water jet

c)

flagella

d)

spines

22.

What type of algae is this?

a)

single-celled

b)

multi-celled

c)

colonial

d)

filamentous

23.

What type of algae is this?

a)

single-celled

b)

colonial

c)

multi-celled

d)

filamentous

24.

Carrageenan is found in cell walls of algae

a)

true

b)

false

25.

Which of the following are brown algae?

a)

sargassum sea weed

b)

volvox

c)

euglena

d)

dinoflagellates