Protists and Fungi MCQs Quiz Multiple Choice Questions & Answers

1. A mushroom is a fungal

1. fruiting body.
2. mycorrhiza.
3. lichen.
4. yeast.

2. A protist is any organism that is not a plant, an animal, a fungus, or a(an)

1. eukaryote.
2. eubacterium.
3. prokaryote.
4. archaebacterium.

3. All fungi

1. make their food.
2. produce mushrooms.
3. absorb their food.
4. have chlorophyll.

4. An algal bloom is

1. the clouding of water by sewage.
2. a symbiotic relationship between algae and coral.
3. an enormous mass of algae.
4. none of the above

5. An important role of fungi in an ecosystem is

1. photosynthesis.
2. making alcohol.
3. breaking down dead organisms.
4. killing bacteria.

6. Dark fuzz that grows on bread is an example of

1. toadstool.
2. yeast.
3. spore.
4. mold.

7. Fungi do NOT

1. carry on photosynthesis.
2. digest food outside their bodies.
3. grow on their food source.
4. absorb food through their cell walls.

8. Fungi feed on

1. only living organisms.
2. both living and dead organisms.
3. only dead organisms.
4. only other fungi.

9. Fungi resemble plants in that they both always

1. have stems.
2. are multicellular.
3. grow from the ground.
4. have cell walls.

10. Fungi that absorb food from decaying organic matter are

1. parasites.
2. mutualists.
3. saprobes.
4. autotrophs.

11. Funguslike protists get nutrients by

1. photosynthesis.
2. absorbing them from dead or decaying matter.
3. living as an animal parasite.
4. none of the above

12. In an amoeba, a small cavity within the cytoplasm that stores food is called a

1. gullet.
2. food vacuole.
3. pseudopod.
4. contractile vacuole.

13. Many algae switch back and forth between diploid and haploid stages during their life cycle in a process known as

1. alternation of generations.
2. sexual reproduction.
3. fusion of opposite mating types.
4. asexual reproduction.

14. Most fungi reproduce

1. asexually only.
2. both sexually and asexually.
3. sexually only.
4. by budding.

15. Protists that break down organic material include the

1. funguslike protists.
2. plantlike protists.
3. animallike protists.
4. none of the above

16. Red algae lack flagella and

1. nuclei.
2. accessory pigments.
3. centrioles.
4. chlorophyll.

17. Some products derived from algae include

1. drugs for stomach ulcers and high blood pressure.
2. chemicals in plastics, waxes, paints, and lubricants.
3. thickeners for food.
4. all of the above

18. The association of plants and fungi in mycorrhizae illustrates a type of relationship called

1. parasitism.
2. competition.
3. mutualism.
4. parallelism.

19. The human disease ringworm is caused by

1. worms.
2. a fungus.
3. bacteria.
4. yeasts.

20. The tangled mass that makes up the body of a fungus is the

1. hypha.
2. mycelium.
3. rhizoid.
4. stolon.

21. The work of funguslike protists and other decomposers is important in improving the quality of

1. salt water.
2. topsoil.
3. fresh water.
4. potato crops.

22. What characteristic of plants is shared by green algae?

1. cell wall composition
2. multicellularity
3. photosynthetic pigments
4. all of the above

23. What effect did the evolution of different forms of chlorophyll in algae have?

1. a decrease in the range of depths at which algae can live
2. no effect on the range of depths at which algae can live
3. an increase in the range of depths at which algae can live
4. a reduction in the photosynthetic capacity of algae

24. Which of the following is algaes most important contribution to humans?

1. as a source for industrial chemicals
2. as a photosynthesizer
3. as a source for medicinal drugs
4. as a direct food source for humans

25. Which of the following is NOT a single organism?

1. rust
2. yeast
3. smut
4. lichen

26. Which of the following statements about fungi is true?

1. They bind trace elements and hold them.
2. They do not affect trace elements.
3. They return trace elements to the soil.
4. They deplete the soil of trace elements.

27. Which statement about Penicillium is correct?

1. It produces mushrooms.
2. It is the source of an antibiotic.
3. It causes bread to rise.
4. It causes athletes foot.

28. Which substances allow algae to harvest and use the energy from sunlight?

1. cilium and fucoxanthin
2. phycobilin and flagellum
3. chlorophyll and accessory pigments
4. oogonium and antheridium

29. Why are algae considered one of the most important groups of organisms on our planet?

1. They are rich in vitamin C.
2. They produce much of Earths oxygen through photosynthesis.
3. They produce chemicals that are used to treat health problems.
4. They produce chemicals that are used to make plastics, waxes, and paints.