Exam 2 Review Flashcards
Chemicals, secreted by soil fungi, that inhibit the growth of bacteria, are known as
antibiotics
Prokaryotes typically undergo ____ via the process of ____.
asexual reproduction; binary fission
Gymnosperms and angiosperms have the following in common except
ovaries.
Which of the following is involved in providing structural support to the plant?
Question options:
xylem only
phloem only
both phloem and xylem
either phloem or xylem
neither phloem nor xylem
both phloem and xylem
The result of heterospory is:
Question options:
the existence of male and female sporophytes.
the existence of male and female gametophytes.
the absence of sexuality from both plant generations.
both (A) and (B) above.
both (A) and (B) above.
The photosynthetic symbiont of a lichen is often a(n)
green alga
A botanist discovers a new species of plant in a tropical rain forest. After observing its anatomy and life cycle, the following characteristics are noted: flagellated sperm, xylem with tracheids, separate gametophyte and sporophyte generations with the sporophyte dominant, and no seeds. This plant is probably most closely related to
ferns.
Protists are alike in that all are
eukaryotic
Which of the following in prokaryotes is composed almost entirely of peptidoglycan?
cell wall
An endospore is a thick walled resistant spore produced to survive adverse conditions in some species of:
Bacteria
Fungi can exist in all of the following forms except as :
Question options:
parasites
autotrophs
heterotrophs
mutualists
decomposers
autotrophs
Which of the following do all fungi have in common?
Question options:
symbioses with algae
meiosis in basidia
sexual life cycle
coenocytic hyphae
absorption of nutrients
absorption of nutrients
A biologist is trying to classify a newly discovered fungus on the basis of the following characteristics: filamentous appearance, reproduction by asexual spores, no apparent sexual phase, and parasitism of woody plants. If asked for advice, to which group would you assign this new species?
Deuteromycota
The most recent common ancestor of all land plants was probably similar to modern-day members of which group?
green algae
Which of the following types of bacteria is likely to be resistant to antibiotics?
gram negative
Angiosperm double fertilization is so-called because it features the formation of
one embryo involving one sperm cell and of endosperm involving a second sperm cell.
Which of the following results in identical cells in bacteria?
Question options:
conjugation
mutation
binary fission
transduction
transformation
binary fission
Cyanobacteria are
photoautotrophs.
An alga was discovered that was marine, multicellular and lives at a depth penetrated only by blue light. This alga probably belongs to which group of algae
red
Which of the following types of fungi is not found?
Question options:
eukaryotic & unicellular
prokaryotic & unicellular
eukaryotic & multicellular
coenocytic hyphae
with septate hyphae
prokaryotic & unicellular
Malaria is caused by:
a protist
Which of these taxa contains species that produce potent toxins that can cause extensive fish kills, contaminate shellfish, and poison humans?
dinoflagellates
Flagellated sperms is / are produced in
both bryophytes & ferns
An organism was discovered in a pond that could be either heterotrophic or photoautotrophic depending on the availability of nutrients. You would classify this organism as a/an:
protist
