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Biology 2 > Exam III > Flashcards

Exam III Flashcards

1
Q

Which group of fungi forms symbiotic relationships with plant roots?
A. Ascomycota
B. Mycorrhizae
C. Zygomycota
D. Chytrids
E. Basidiomycota

A

B. Mycorrhizae

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2
Q

What kind of plant cells are equivalent to animal stem cells?
A. Stomata
B. Parenchyma
C. Trichomes
D. Meristems
E. Tracheids

A

D. Meristems

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3
Q

Which group of fungi forms mushrooms with gills?
A. Ascomycota
B. Mycorrhizae
C. Zygomycota
D. Chytrids
E. Basidiomycota

A

E. Basidiomycota

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4
Q

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

A

B. Sporophyte via meiosis

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5
Q

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

A

C. Gas exchange

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6
Q

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

A. Forms from primary mycelium

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7
Q

What is the endosperm of an angiosperm composed of?
A. Three antipodals
B. Two synergeids and egg
C. Two polar nuclei and sperm

A

C. Two polar nuclei and sperm

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8
Q

What type of plant tissue includes parenchyma, collenchyma, and sclerenchyma?
A. Meristematic
B. Dermal
C. Vascular
D. Ground
E. Liver

A

D. Ground tissue

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9
Q

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

A. Antheridia of male gametophyte

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10
Q

In a bryophyte, the gametophyte is the dominant stage and the sporophyte is short-lived. True or false?

A

True

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11
Q

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

A

B. Plasmogamy

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12
Q

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

A

D. Zygote

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13
Q

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

A

B. Antheridia and ascogonia are produced by the same mating type

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14
Q

What process produces a diploid cell in the fungi?
A. Plasmogamy
B. Meiosis
C. Karyogamy
D. Mitosis
E. Cleavage

A

C. Karyogamy

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15
Q

In a fern life cycle, the small heart-shaped stage is the sporophyte. True or false?

A

False. the heart-shaped stage is gametophyte.

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16
Q

What are the 4 whorls of an angiosperm flower?

A

~ Carpel
~ Petal
~ Stamen
~ Sepal

17
Q

What are the 3 components of a plant seed?

A

~ Food
~ Embryo
~ Seed coat

18
Q

What are 2 features of plants that eventually allowed them to evolve into land plants?

A

~ Seeds
~ Vascular tissue

19
Q

What is the correct order of a general plant life cycle?

A

A. Gametophyte
B. Fertilization
C. Zygote
D. Sporophyte
E. Meiosis
F. Spores

20
Q

What is the correct order of a fungus life cycle?

A

A. Karyogamy
B. Meiosis
C. Plasmogamy

21
Q

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

A

Jawless - C & F
Cartilaginous - B
Tetrapod - A & E
Invertebrate - D

22
Q

What group of vertebrates are all tetrapods evolved from?

A

Lobe-Finned (Bony)

23
Q

What are 3 characteristics of arthropods?

A

~ jointed appendages
~ protostome
~ bilateral symmetry
~ exoskeleton
~ segmentation

24
Q

What are the 4 hallmark characteristics of the phylum Chordata?

A

~ notocord
~ dorsal hollow nerve chord
~ pharyngeal gill slits
~ post-anal tail

25
Q

Leishmaniasis
Etiological agent?
Geographical distribution?
Mode of acquisition?
Pathology and symptoms?

A

~ Leishmania (underline when writing)
~ Sub-tropical & tropical
~ bite of a sandfly
~ is 100% fatal; kills immune cells

26
Q

African Tyropansomiasis
Etiological agent?
Geographical distribution?
Mode of acquisition?
Pathology and symptoms?

A

~ Trypanosoma (underline when writing)
~ Sub-saharan Africa
~ bite of tsetsefly
~ disruption of the nervous system; 100% fatal

27
Q

Malaria
Etiological agent?
Geographical distribution?
Mode of acquisition?
Pathology and systems?

A

~ Plasmodium species (underline when writing)
~ worldwide sub-tropical & tropical
~ bite of female anopheline mosquito
~ destroys RBCs; paroxysm

Biology 2 (9 decks)

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