Herb 531 Module 4 Flashcards
A cell type that has thin primary cell walls, a large vacuole, and is
living at maturity is a
a. sclereid.
b. parenchyma cell.
c. tracheid.
d. fiber.
e. vessel.
b. parenchyma cell.
All hormones and enzymes are lipids.
true
false
false
Anthocyanins are water-soluble pigments found in vacuoles.
true
false
true
As part of the laboratory practical exam in your botany class, you
must point to the axillary buds. Where should you indicate these buds
occur?
a. At angles between the petioles and the stem.
b.
Along internodes.
c. At tips of stems.
d. On terminal
buds.
e. On roots.
a. At angles between the petioles and the stem.
Cells of the root cap ease the growth of young roots through the soil
by __________.
a. secreting slippery lipids like waxes
b.
producing oils
c. producing a mucilaginous lubricant
d.
forcing a passage between soil particles
e. none of the above
c. producing a mucilaginous lubricant
Cell structures that apparently function in controlling the addition
of cellulose to the cell wall, in steering vesicles from Golgi bodies
to the cell wall, and in aiding movement within the cell are
a.
Thylakoids.
b. Ribosomes.
c. Mitochondria.
d.
Microtubules.
e. Lysosomes.
d. Microtubules.
Leeuwenhoek is credited with applying the term cell to the boxlike
compartments he saw in cork tissue.
true
false
false
Modified leaves are used by insectivorous plants to trap insects. One
such plant that has movable modified leaves is
a. Venus flytrap.
b. sun melon.
c. pitcher plant.
d. bladderwort.
e. Both Venus flytrap and pitcher plant are correct.
a. Venus flytrap.
Nitrogenous bases refer to specific types of amino acids
true
false
false
Older, nonfunctioning xylem is called
a. sapwood.
b.
summer wood.
c. springwood.
d. winter wood.
e. heartwood.
e. heartwood
On a field trip in your field botany course, you instructor has asked
that you identify 10 different species of trees. One of your
classmates is perplexed about this, because it is early spring and the
trees do not yet have leaves. He does not understand how trees can be
differentiated without leaves. What should you tell your
classmate?
a. You agree that the assignment cannot be completed
without seeing the leaves of the trees.
b. Trees can be
specifically identified by scars and buds.
c. Trees can be
specifically identified by where they grow.
d. Trees can be
specifically identified by the growth patterns of their branches.
b. Trees can be specifically identified by scars and buds.
Reproduction in living organisms results in
__________________.
a. new individuals of the same species
b. new individuals that are always genetically identical to the
parents
c. new individuals that are never genetically identical
to the parents
d. overpopulation of the community by that
species
e. loss of genetic variability in the population
a. new individuals of the same species
The __________ is derived from a simple flower having more than one
pistil.
a. pome
b. pepo
c. multiple fruit
d.
drupe
e. aggregate fruit
e. aggregate fruit
The function of companion cells is:
a. to conduct food from one
part of the plant to another.
b. to aid the associated sieve tube
members with its cellular activities.
c. to conduct water and
minerals from one part of the plant to another.
d. to conduct
food laterally.
e. to do all of the functions listed.
b. to aid the associated sieve tube members with its cellular activities.
The parts of a flower that eventually become seeds are
a.
ovaries.
b. styles.
c. stigmas.
d. ovules.
e. peduncles.
d. ovules.
To quickly propagate a walking fern, you could look for new
plants
a. at the tips of the leaves of existing plants.
b.
in the flowerpot leaves of an existing plant.
c. along the
bracts of an existing plant.
d. at the base of insect-trapping
leaves of an existing plant.
a. at the tips of the leaves of existing plants.
When a seed germinates, the part of the embryo that develops into the
first root is called a radicle.
true
false
true
When moisture enters a seed, a physical process called ______ causes
the tissues to swell with tremendous expansion forces.
a.
vivipary
b. imbibition
c. dehiscence
d. dehydration
e. osmosis
b. imbibition
Which of the following is known to be modified as a tendril?
a.
Rachis.
b. Leaflet.
c. Stipule.
d. Petiole.
e.
All of these answers are correct.
e. All of these answers are correct
Which tissue is derived from the apical meristem?
a. Protoderm.
b. Cork cambium.
c. Periderm.
d. Secondary phloem.
e. Secondary xylem.
a. Protoderm.