Exam III Flashcards
Which group of fungi forms symbiotic relationships with plant roots?
A. Ascomycota
B. Mycorrhizae
C. Zygomycota
D. Chytrids
E. Basidiomycota
B. Mycorrhizae
What kind of plant cells are equivalent to animal stem cells?
A. Stomata
B. Parenchyma
C. Trichomes
D. Meristems
E. Tracheids
D. Meristems
Which group of fungi forms mushrooms with gills?
A. Ascomycota
B. Mycorrhizae
C. Zygomycota
D. Chytrids
E. Basidiomycota
E. Basidiomycota
In a generalized plant life cycle, what stage produces spores, and by what process?
A. Gametophyte via mitosis
B. Sporophyte via meiosis
C. Gametes via fertilization
D. Sporangia via plasmogamy
E. Zygote via mitosis
B. Sporophyte via meiosis
What is the function of stomata in plants?
A. Conduct water to the roots
B. Secondary growth
C. Gas exchange
D. Photosynthesis
E. Nutrient transport
C. Gas exchange
Which of the following is FALSE about a basidiocarp?
A. Forms from primary mycelium
B. Meiosis occurs in basidia
C. Gills contain basidia
D. Dikaryotic
E. All of the above
A. Forms from primary mycelium
What is the endosperm of an angiosperm composed of?
A. Three antipodals
B. Two synergeids and egg
C. Two polar nuclei and sperm
C. Two polar nuclei and sperm
What type of plant tissue includes parenchyma, collenchyma, and sclerenchyma?
A. Meristematic
B. Dermal
C. Vascular
D. Ground
E. Liver
D. Ground tissue
Where are sperm produced in mosses?
A. Antheridia of male gametophyte
B. Archegonia of female gametophyte
C. Base of gametophytes
D. Capsule of sporophyte
E. Mosses don’t have sperm
A. Antheridia of male gametophyte
In a bryophyte, the gametophyte is the dominant stage and the sporophyte is short-lived. True or false?
True
Which of the following is fusion of the membranes of two different cells but not their nuclei?
A. Fertilization
B. Plasmogamy
C. Gametogamy
D. Karyogamy
E. Meiosis
B. Plasmogamy
In a generalized plant life cycle, which of the following would be diploid?
A. Female gametophyte
B. Male gamete
C. Spore
D. Zygote
E. None of the above
D. Zygote
Which of the following is false about Ascomycota fungus?
A. Karyogamy occurs in the asci
B. Antheridia and ascogonia are produced by the same mating type
C. Spores develop into mycelium
D. Includes morels
E. None of the above are false
B. Antheridia and ascogonia are produced by the same mating type
What process produces a diploid cell in the fungi?
A. Plasmogamy
B. Meiosis
C. Karyogamy
D. Mitosis
E. Cleavage
C. Karyogamy
In a fern life cycle, the small heart-shaped stage is the sporophyte. True or false?
False. the heart-shaped stage is gametophyte.
What are the 4 whorls of an angiosperm flower?
~ Carpel
~ Petal
~ Stamen
~ Sepal
What are the 3 components of a plant seed?
~ Food
~ Embryo
~ Seed coat
What are 2 features of plants that eventually allowed them to evolve into land plants?
~ Seeds
~ Vascular tissue
What is the correct order of a general plant life cycle?
A. Gametophyte
B. Fertilization
C. Zygote
D. Sporophyte
E. Meiosis
F. Spores
What is the correct order of a fungus life cycle?
A. Karyogamy
B. Meiosis
C. Plasmogamy
Match each group on the right with one of the features on the left.
______ Jawless A. Amphibia
______ Cartilaginous B. Sharks
______ Tetrapod C. Hagfish
______ Invertebrate D. Lancelets
E. Birds
F. Lampreys
Jawless - C & F
Cartilaginous - B
Tetrapod - A & E
Invertebrate - D
What group of vertebrates are all tetrapods evolved from?
Lobe-Finned (Bony)
What are 3 characteristics of arthropods?
~ jointed appendages
~ protostome
~ bilateral symmetry
~ exoskeleton
~ segmentation
What are the 4 hallmark characteristics of the phylum Chordata?
~ notocord
~ dorsal hollow nerve chord
~ pharyngeal gill slits
~ post-anal tail
Leishmaniasis
Etiological agent?
Geographical distribution?
Mode of acquisition?
Pathology and symptoms?
~ Leishmania (underline when writing)
~ Sub-tropical & tropical
~ bite of a sandfly
~ is 100% fatal; kills immune cells
African Tyropansomiasis
Etiological agent?
Geographical distribution?
Mode of acquisition?
Pathology and symptoms?
~ Trypanosoma (underline when writing)
~ Sub-saharan Africa
~ bite of tsetsefly
~ disruption of the nervous system; 100% fatal
Malaria
Etiological agent?
Geographical distribution?
Mode of acquisition?
Pathology and systems?
~ Plasmodium species (underline when writing)
~ worldwide sub-tropical & tropical
~ bite of female anopheline mosquito
~ destroys RBCs; paroxysm
