Exam Questions and CORRECT Answers
Which one of the following statements regarding evolutionary relationships among land plants is
correct? - CORRECT ANSWER - Bryophytes and vascular plants together form a
monophyletic group; vascular plants diverged more recently; the ancestor of all land plants was
green alga
One of the earliest evolutionary adaptations that helps plants retain water in a terristrial
environment - CORRECT ANSWER - the cuticle
which one of the following are produced by roots in order to increase surface area, allowing for
greater access to nutrients in the soil? - CORRECT ANSWER - root hairs
Which of the following are the major groups of vascular plants - CORRECT ANSWER -
angiosperms, lycophytes, gymnosperms, ferns and horsetails.
Plants loose a great deal of water from their leaves - CORRECT ANSWER - transpiration
Why are maximum rates of water flow higher in angiosperms than in gymnosperms - CORRECT
ANSWER - Angiosperms have longer and wider xylem conduits than gymnosperms
Why so vascular plants need phloem - CORRECT ANSWER - because not all parts of the
plant are photosynthetic
A haploid structure contains ______ and a diploid structure contains _____. - CORRECT
ANSWER - One set of chromosomes (1N); Two sets of chromosomes (2N0)
______ are defined as haploid cells that can form gametophytes. Gameopyhtes in turn produce
haploid male and female - CORRECT ANSWER - Spores; Gametes; Zygotes
, In the cell life cycle of mosses and ferns, which of the following structures are diploid -
CORRECT ANSWER - Sporophyte, zygote
Which of the following is (are) used by pollinators - CORRECT ANSWER - Nectar and
odor
Which of the following statements describes how root meristems differ from apical meristems -
CORRECT ANSWER - root meristems are shielded by a root cap that protects cells from
abrasion by the soil.
Within each "unit" composing a shoot of a vascular plant, you would observe leaves attached at
the _____, and large stretch of stem without leaves at the _____. - CORRECT ANSWER -
node and internode.
The movement of auxin from the apical to basal sides of immature leaf cells and toward the
xylem and phloem of the stem is an example of_____. - CORRECT ANSWER - Polar
transport
A researcher creates a mutant pea plant. What is most likely phenotype of this mutant pea plant?
- CORRECT ANSWER - The pea plant would be shorter with more branches
Which of the following statements is true regarding angiosperms? - CORRECT
ANSWER - Higher photosynthesis rates, capacity to transport water and take in more O2
Which of the following fruits and vegetables or grains are produced by eudicots - CORRECT
ANSWER - Carrots, sunflower seeds, blueberries
All bryophytes are all relatively small. Which one of the following is thought to be the main
limitations - CORRECT ANSWER - The male gametes of these land plants are distributed
through the water