2025-2026 LATEST UPDATE
Which of the following statements best compares the two dominant lineages of modern
angiosperms?
A. Monocots have only one pistil per flower whereas eudicots have three.
B. Monocots have only one seed leaf whereas eudicots have two.
C. Monocots are lycophylls whereas eudicots are euphylls.
D. Monocots have only one stamen per flower whereas eudicots have six.
E. Monocots are monophyletic whereas eudicots have multiple origins B. Monocots have
only one seed leaf whereas eudicots have two.
f you were given a large showy flower with three petals, six stamens, and three carpels, would
you consider it likely to be:
A. a monocot
B. a eudicot
C. a hybrid
D. Amborella trichopoda
E. none of the choices provided A. a monocot
,Seed plants are pollinated by:
A. butterflies
B. birds
C. bats
D. beetles
E. all of the other choices provided E. all of the other choices provided
A pollination syndrome is:
A. the synchronous release of pollen by many individuals of wind-pollinated trees
B. specializations of plants that attract a specific kind of pollinator
C. the simultaneous release of two sperm, one to affect fertilization and the other to initiate
formation of endosperm
D. a brushlike tongue of hummingbirds to which pollen adheres
E. a series of bristles on the backs of insects to which pollen adheres B. specializations of
plants that attract a specific kind of pollinator
Which of the following best explains why bees aren't attracted to red flowers?
A. Bees perceive red as a warning signal.
B. Bees can't see red.
, C. Red flowers usually are odorless.
D. Both because red flowers are odorless and because bees can't see red.
E. All of the other choices provided are incorrect B. Bees can't see red.
A tracheid is
A. a gametophyte cell.
B. a small branch of an insect trachea.
C. a seed-bearing stem.
D. a specialized vascular cell.
E. a reproductive chamber D. a specialized vascular cell.
What type of flower should you plant in your garden if you are particularly interested in
attracting butterflies?
A. White day-blooming flowers with abundant pollen and a strong floral scent.
B. Pendulous red flowers that are open day and night with no scent.
C. Yellow flowers with abundant pollen and nectar and a strong floral scent.
D. White, night-blooming flowers with a strong floral scent.
E. Purple, tubular-shaped flowers with a light floral scent. E. Purple, tubular-shaped flowers
with a light floral scent.