Aquatic Botany Quiz

What distinguishes algae from higher plants?

lack of true stem, leaves, and roots

What is the kingdom name of prokaryotic algae?

monera

What is the kingdom name of eukaryotic algae?

protista

What is the kingdom name of eukaryotic angiosperms?

plantae

SAV means

submerged aquatic vegetation

HABs mean

Harmful algal blooms

What are some examples of SAVs?

pond weeds and sea grasses

Uses of algae and aquatic plants

supplemental nutrition, pest control, food, etc.

Phylum =

~phyta

class =

~phyceae

order =

~ales

family =

~aceae

genus =

genus

species =

species

What type of cell wall do prokaryotic cells have?

the same cell wall as gram negative bacteria (peptidoglycan layer)

Plasmalemma

a cell membrane in eukaryotic algae

What do prokaryotic algae have instead of plastids?

thylakoids and phycobilisomes

What stores nitrogen in a prokaryotic cell?

cyanophycin

What stores phosphorus in a prokaryotic cell?

polyphosphate bodies

Is photosystem II cyclic?

No

Is photosystem I cyclic?

Yes

Which comes first: photosystem I or II?

II

What color wavelength of light is absorbed first?

red

Eutrophic

high nutrients

mesotrophic

moderate nutrients

oligotrophic

low nutrients

What is the most ancient algae?

cyanobacteria

What is found in diatom cell walls?

silica

Dinoflagellates contain 2 flagella. (true/false)

true

What phytoplankton causes marine snow?

coccolithophores

What phytoplankton is this?

Chrosophytes

What phytoplankton is this?

cryptophytes

What phytoplankton is this?

silicoflagellates

What phytoplankton is this?

coccolithophores

What causes HABs?

dinoflagellates

What can make HABs dangerous to humans and other terrestrial life?

Toxins can build up in food and the contaminated water can aerosolize

What stores lipids and proteins in eukaryotic algae?

pyrenoid

What are polyglucans in prokaryotes?

complex carbohydrates that can easily be degraded and synthesized (these processes do not change osmotic pressure)

Where does photosynthesis take place?

thylakoid membrane

What chlorophyll pigment is found in all photosynthetic algae?

Chlorophyll a

Where is the optimum light curve?

Where the curve meets maximum photosynthesis

What does is mean when photosynthesis is occurring at the green line?

implies that the process is light-limited

What does it mean when photoinhibiton occurs?

When too much photosynthesis causes a negative effect (too many oxidizing electrons)

What does compensation point mean?

when the amount of photosynthesis equals respiration

Where is peridinin found?

Only in dinoflagelletes