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Protist and Fungi Study Guide



Modified True/False
Indicate whether the sentence or statement is true or false.  If false, change the identified word or phrase to make the sentence or statement true.
 

1. 

Animal-like protists are called algae. _________________________

 

2. 

A contractile vacuole is a structure that collects extra water and expels it from a protist. _________________________

 

3. 

Red tides occur when a population of water molds grows rapidly. _________________________

 

4. 

An increase in the growth of algae due to a buildup of nutrients in a lake or pond is called eutrophication. _________________________

 

5. 

All fungi are autotrophs. _________________________

 

6. 

Fungi absorb food through hyphae that grow into a food source. _________________________

 

7. 

Bread rises because of the action of fungi called molds. _________________________

 

8. 

Bakers add lichens to bread to make it rise. _________________________

 

9. 

All fungi are heterotrophs that feed in a similar way. _________________________

 

10. 

The part of a mushroom that is visible above the soil is the fruiting body. _________________________

 

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

11. 

Like animals, animal-like protists are
a.
autotrophs.
b.
heterotrophs.
c.
unicellular.
d.
prokaryotes.
 

12. 

Which structures allow sarcodines to move?
a.
cilia
b.
contractile vacuoles
c.
flagella
d.
pseudopods
 

13. 

How are funguslike protists similar to fungi?
a.
They can move.
b.
They are autotrophs.
c.
They use spores to reproduce.
d.
They do not have cell walls.
 

14. 

What characteristic do algae share?
a.
They are autotrophs.
b.
They are unicellular.
c.
They are multicellular.
d.
They live in colonies.
 

15. 

What animal-like characteristic do euglenoids have?
a.
They have a flagellum.
b.
They can be heterotrophs sometimes.
c.
They have light-sensitive pigments.
d.
They are autotrophs.
 

16. 

Which of the following is an example of symbiotic mutualism?
a.
two paramecia exchanging genetic material
b.
the zooflagellate Giardia reproducing in a human
c.
the sporozoan Plasmodium feeding on a human cell
d.
a zooflagellate digesting food in a termite's intestine
 

17. 

The spores that funguslike protists produce
a.
grow into new organisms.
b.
produce slime on which the protist can move.
c.
break down food for the protist.
d.
form pseudopods.
 

18. 

What characteristic do the cells of colonial algae and multicellular organisms share?
a.
They carry out all necessary life functions.
b.
They are specialized to do certain tasks.
c.
They contain pigments.
d.
They are prokaryotic cells.
 

19. 

What might cause red tides?
a.
increase in nutrients in the water
b.
decrease in ocean temperature
c.
increase in oxygen in the water
d.
decrease in plant life in the water
 

20. 

When are red tides dangerous to humans?
a.
when the oceans become warmer
b.
when algae bloom
c.
when algae produce toxins
d.
when algae toxins accumulate in shellfish
 

21. 

Which statement does NOT describe eutrophication in a pond or lake?
a.
a process of gradual change
b.
a buildup of nutrients
c.
an increase in the amount of oxygen
d.
an increase in the amount of surface algae
 

22. 

What factor will NOT increase the rate of eutrophication in freshwater?
a.
field fertilizer
b.
septic systems leaks
c.
soil erosion of farmlands
d.
eliminating sources of excess nutrients
 

23. 

What characteristic do fungi share?
a.
They are prokaryotes.
b.
They use spores to reproduce.
c.
They are autotrophs.
d.
They are multicellular.
 

24. 

The structures that make up the bodies of multicellular fungi are called
a.
hyphae.
b.
nuclei.
c.
gills.
d.
cell walls.
 

25. 

The appearance of a multicellular fungus depends on how
a.
it obtains food.
b.
it reproduces.
c.
its gills are arranged.
d.
its hyphae are arranged.
 

26. 

What do fungi have in common with plants?
a.
They are autotrophs.
b.
They are prokaryotes.
c.
They have cell walls.
d.
They are unicellular organisms.
 

27. 

What do fungi have in common with animals?
a.
They are autotrophs.
b.
They are heterotrophs.
c.
They can move.
d.
They use spores to reproduce.
 

28. 

Where would fungi NOT thrive?
a.
forest floor
b.
wet bathroom tiles
c.
damp tree bark
d.
polar ice cap
 

29. 

A fungus that is a parasite might feed on
a.
a person's skin.
b.
a dead tree.
c.
bread.
d.
wet bathroom tiles.
 

30. 

The chemicals that ooze from the hyphae of a fungus into a food source
a.
absorb the food.
b.
break down the food.
c.
harden the food.
d.
nourish the food source.
 

31. 

Where would you look to find some fungus spores?
a.
a budding yeast cell
b.
a mushroom's underground hyphae
c.
a mushroom's cap
d.
inside a moldy piece of fruit
 

32. 

Fungi reproduce sexually when
a.
they are unicellular.
b.
there is inadequate moisture and food.
c.
they are multicellular.
d.
there is adequate moisture and food.
 

33. 

What type of reproduction produces fungi that differ from a parent?
a.
budding
b.
asexual reproduction
c.
sexual reproduction
d.
fruiting
 

34. 

Which of the following is a threadlike fungus with loosely tangled hyphae?
a.
bread mold
b.
yeast
c.
Penicillium
d.
mushroom
 

35. 

Because of the shape of its spore-producing structures, a puffball fungus is a type of
a.
threadlike fungi.
b.
sac fungi.
c.
club fungi.
d.
imperfect fungi.
 

36. 

Fungi are classified into groups depending on
a.
how they obtain food.
b.
how they move.
c.
where they live.
d.
the shape of their spore-producing structures.
 

37. 

Fungi that decompose dead organisms
a.
can cause serious disease in plants.
b.
live in symbiosis with other organisms.
c.
return important nutrients to the soil.
d.
are often called pioneer organisms.
 

38. 

A fungus-plant root association is an example of
a.
a dependent relationship.
b.
symbiotic mutualism.
c.
a decomposing relationship.
d.
disease fighting.
 

39. 

What do yeast cells use as a food source in breadmaking and winemaking?
a.
sugar
b.
salt
c.
carbon dioxide
d.
alcohol
 

40. 

What bacteria-killing fungus did Fleming isolate in his 1928 experiment?
a.
Rhizopus nigrens
b.
corn smut
c.
Penicillium roqueforti
d.
Penicillium
 



 
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