Unit G - Fungi
1. When a fungal spore germinates and continues to grow, it grows from a
A. tip and forms a strand called a hypha.
B. base and forms a strand called a hypha.
C. tip and forms a strand called a mycelium.
D. base and forms a strand called a mycelium.
2. Which of the following is the BEST description of the role of a substrate in relation to a fungus?
A. Defense.
B. Camouflage.
C. Reproduction.
D. Source of nutrients.
3. Hyphae that exhibit positive chemotaxis will grow
A. towards each other for reproductive purposes.
B. towards each other to share a rich food source.
C. away from each other to ensure distribution of spores.
D. away from each other to avoid the rapid depletion of nutrients in one area.
4. A hyphal strand that is termed coenocytic usually
A. has nuclei and cross walls.
B. lacks nuclei and crosswalls.
C. lacks nuclei, but has cross walls.
D. has nuclei, but lacks cross walls.
5. Which phylum does a puffball belong to?
A. Phylum Oomycetes.
B. Phylum Ascomycetes.
C. Phylum Zygomycetes.
D. Phylum Basidiomycetes.
6. Which phylum does Rhizopus stolonifer belong to?
A. Phylum Oomycetes.
B. Phylum Ascomycetes.
C. Phylum Zygomycetes.
D. Phylum Basidiomycetes.
7. Which phylum produces an N + N secondary mycelium?
A. Phylum Oomycetes.
B. Phylum Ascomycetes.
C. Phylum Zygomycetes.
D. Phylum Basidiomycetes.
8. Which of the following MOST ACCURATELY describes the production of basidiospores?
A. Singulary.
B. In clusters of four.
C. In clusters of eight.
D. Hundreds at a time.
9. Which of the following types of spores is produced asexually?
A. Ascospores.
B. Zygospores.
C. Basidiospores.
D. Conidiospores.
10. A specialized hyphal strand that runs horizontal to the substrate is called a
A. stolon.
B. rhizoid.
C. mycelium.
D. sporangiophore.
11. Fungal rhizoids have the dual purposes of
A. anchoring and absorbing nutrients.
B. asexual reproduction and anchoring.
C. spreading out the fungus and absorbing nutrients.
D. asexual reproduction and spreading out the fungus.
12. Which phylum of fungi has cellulose cell walls?
A. Phylum Oomycetes.
B. Phylum Ascomycetes.
C. Phylum Zygomycetes.
D. Phylum Basiodiomycetes.
13. The hyphae of egg fungi are
A. N and coenocytic.
B. 2N and coenocytic.
C. N and acoenocytic.
D. 2N and acoenocytic.
14. Ringworm and athlete's foot are fungal diseases caused by members of which phylum?
A. Phylum Oomycetes.
B. Phylum Ascomycetes.
C. Phylum Zygomycetes.
D. Phylum Deuteromycetes.
