Prin. Plant Science - Recent Content Final Review
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53 Terms
The sporophyte of a true moss is ...
dependent on the gametophyte.
3 multiple choice options
The calyptra is part of the _________ generation.
gametophytic
3 multiple choice options
Organic molecules produced in photosynthesis are mainly transported in the form of _______.
sucrose
3 multiple choice options
Imbibition is responsible for _______.
Both for activating the enzymes and breaking open the seed coat of germinating seeds.
3 multiple choice options
Osmosis is a special kind of diffusion in which water molecules____.
Move across a selectively permeable membrane
3 multiple choice options
Approximately how much water typically leaves the plant by transpiration?
90% or more
3 multiple choice options
If plant cells are surrounded by a hypertonic solution, the water molecules will ___.
move out of the cell
3 multiple choice options
The rise of water in plants is presently most satisfactorily explained by:
the cohesion-tension theory
3 multiple choice options
The direction of movement of food molecules in plants is_______.
from source to sink
3 multiple choice options
Hydathodes are involved directly in which of the following?
guttation
3 multiple choice options
The club-shaped structures found on moss male gametophytes produce the ____.
sperms
3 multiple choice options
Which bryophyte has their male gametangia aggregated on stalked structure called antheridiophores?
Thalloid liverwort
3 multiple choice options
A moss protonema ______.
is the precursor for moss gametophyte
3 multiple choice options
A moss gametangium would produce _____.
haploid gametes
3 multiple choice options
What is a peristome?
teeth-like structure that aids in spore dispersal
2 multiple choice options
The multicellular filaments that are intermingled with gametangia of most mosses are the ___.
paraphyses
2 multiple choice options
Pick one characteristic of all land plants.
Multicellular embryo
3 multiple choice options
The structures like foot, seta, and capsule are parts of
both moss and liverwort sporophytes
3 multiple choice options
Which bryophyte is named after its sporophyte structure?
Hornwort
3 multiple choice options
The most studied thalloid liverwort which we used as an example to learn the lifecycle events was
Marchantia
3 multiple choice options
The one-celled extensions on most bryophyte plants that help anchor the plant to the surface are the
rhizoids
3 multiple choice options
Food-conducting cells present in some mosses are known as:
leptoids
3 multiple choice options
Which of the following have the extraordinary absorptive capacity, and are used for a number of purposes including a nursery soil conditioner, fuel, and formerly a poultice material during World War I?
Peat moss
3 multiple choice options
Bryophytes have __________ that help conduct water.
hydroids
3 multiple choice options
Which of the following changes occurred during the early stages of seedless vascular plant evolution?
Internal conducting tissues developed
2 multiple choice options
The common name "ground pine" is based on the appearance of the ____ which resembles little conifer trees.
Lycopodium sporophyte
3 multiple choice options
Bryophytes, ferns, and lycophytes all require ________ for sexual reproduction because the sperm cells ________.
surface water; must swim to the egg cells
3 multiple choice options
A major difference between club moss spores and spike moss spores is that ______.
spike moss spores are of two types; whereas club moss spores are of the same type
1 multiple choice option
Layer of thickened cells found underneath the pine needle epidermis is the
hypodermis
3 multiple choice options
The nutritive tissue that nourishes the developing female gametophyte is the
nucellus
3 multiple choice options
Which plant has fan-shaped leaves with a notch at the tip?
Ginkgo
3 multiple choice options
One unique feature of the pine needles is the presence of
endodermis
3 multiple choice options
Which seed-bearing plant is a living fossil?
Ginkgo
3 multiple choice options
Which genus produces a massive, single cone at the ape which is surrounded by large pinnate leaves?
Cycas
3 multiple choice options
In a pine cycle, the male gametophyte is the
pollen grain
3 multiple choice options
In the life cycle of a typical conifer
two kinds of spores are produced
3 multiple choice options
Hydroids
Water-conducting cells of a moss
2 multiple choice options
Rhizoid'S
Bryophyte plants anchor themselves with these structures
2 multiple choice options
Leptons
Food-conducting cells of a moss
2 multiple choice options
The presence of wing like structures in pine pollens enable them for ____ pollination
Wind
3 multiple choice options
Which genus produces a massive, single cone at the apex which is surrounded by large pinnate leaves?
Cycas
3 multiple choice options
The primary source of paper in the United States is the wood pulp of:
Pine and other conifers like Spruce
3 multiple choice options
The nutritive tissue that nourishes the developing female gametophyte of a pine tree is the
Nucellus
3 multiple choice options
A diploid mother cell within the sporangia of a plant undergoes ____ to produce spores.
Meiosis
3 multiple choice options
Which plant has the most bizarre sporophyte in having two strap-like leaves?
Welwitschia
3 multiple choice options
Pick the group that DOES NOT include seed-making plants.
Pterophyta
3 multiple choice options
Choose the gymnosperm that has medical applications in treating respiratory conditions.
Ephedra
3 multiple choice options
Among the included members of vascular plants, the advanced plant groups are known for
Having both xylem and phloem
3 multiple choice options
The most abundant tissue in a herbaceous plant is the:
Parenchyma
3 multiple choice options
Which part of a leaf is directly attached to the stem?
Petiole
3 multiple choice options
One of the main functions of stomata is to allow for
The transpiration process
3 multiple choice options
What type of stele pattern is found in dicot roots?
Protostele
2 multiple choice options
Casparian strips are part of the
Root endodermis
2 multiple choice options