BIO 242 Exam Questions With Current Update Answers
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Course
BIO 242
Institution
BIO 242
BIO 242 Exam Questions With Current Update Answers
A bird's wing and a mammalian foreleg, as forelimbs, still have the same basic underlying structure and development. They are examples of: - Answer-homologous structures.
/.A birds wings and a bats wings, as wings, have the same function, b...
A bird's wing and a mammalian foreleg, as forelimbs, still have the same basic
underlying structure and development. They are examples of: - Answer-homologous
structures.
/.A birds wings and a bats wings, as wings, have the same function, but the
development of the airfoil of the wing is different. As wings, the bird wings and bat wing
are ____ structure - Answer-analogous
/.A botanist discover a new species of plant in a tropical rainforest. After examining its
anatomy its and life cycle, she notes that the plant has flagellated sperm, xylem with
trachids, separate gametophyte and sporophyte phases and no seeds. the plant is a
member of which plant taxon. - Answer-ferns
/.a complete flower is correctly described as a flower that - Answer-has petals, sepals,
stamens, and carpels
/.a flower that has petals, sepals, and carpels but lacks stamen is said to be - Answer-
both imperfect and incomplete
/.a helical shaped bacteria, including a species that cause syphilis - Answer-spirochetes
/.a heterosporous plant is - Answer-produces microspores and megaspores, which in
turn produce male and femal gametophytes
/.a plant with a dominant sporophyte generations, possesses vessel elements, and has
non-motile sperm would be in which taxon. - Answer-Angiosperms
/.a plant with needle-like leaves, a dominant sporophyte generation and naked seeds
would be in which taxon - Answer-gymnosperm
/.a pollen grain becomes mature male gametophyte when the ____ divides by mitosis to
form two sperms cells - Answer-generative cell
/.A protistan cell divides into two daughter cells by the asexual process of: - Answer-
binary fission
/.A protistan cell-divides into two daughter cells by the process - Answer-binary fisson
, /.A resting stage in bacteria that can resist harsh environmental conditions is called -
Answer-endospore
/.A sporophyte that produces two dif types of spores - Answer-heterosporous
/.All but one of the following statements describe trends in plant evolution which
statement is false - Answer-sperm w/out flagella--->flagellate sperm
/.All of the following is not a characteristic of all land plants - Answer-seeds
/.An organism that is poisoned by oxygen would be called - Answer-an obligate
anaerobe
/.An organism that must have oxygen present in order for the organism to use for
aerobic respiration would be called: - Answer-an obligate aerobe
/.An organism that will use oxygen for aerobic respiration if oxygen is present in it
environment but can also grow by using fermentation - Answer-facultative anaerobic
/.blue green bacteria and plants belong - Answer-not in same domain
/.ferns differ from gymnosperm is that fern - Answer-have sori
/.for all bryophytes one of the following characteristic are incorrect - Answer-an egg that
is shed into water along with sperm
/.for plants which of the following provides support against gravity - Answer-tracheid and
fiber
/.for plants, which of the following provides protection against desiccation - Answer-
cuticle
/.For the land plants, in the alternation of generation - Answer-meiosis in sporangia
found on sporophytes produces haploid spores
/.Fruits have contributed to the success of angiosperm by - Answer-facilitating dispersal
of seeds by animals
/.Hairy flagella that have hairlife projection are found in the protistan group - Answer-
stramenopila
/.If the name of a species was Quercus alba, what family is it in? - Answer-You cant tell
/.if two species are in the same class then they must have to be in the same - Answer-
phylum
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