51 notecards = 13 pages (4 cards per page)
The triploid food storage tissue of angiosperms is called the...
Annual rings in a tree truck result from differences in...
the growth rate and water availability of secondary xylem at different seasons
Which division is not a seedless vascular plant?
If you examined a cross section of woody stem under the microscope and located the vascular cambium, everything inside (towards the center of the stem) of the vascular cambium ring would be...
xylem (primary and secondary)
Parenchyma, collenchyma, and sclerenchyma are all cells of?
Which of the following is not one of the seven major plant hormones?
Double fertilization in angiosperms is best described as?
one sperm fertilizes the egg, which develops into the seed, and the other sperm fertilizes the polar nuclei, which forms the endosperm
Well-developed vascular systems are absent in all of the following except..?
Which of the following types of plants are incapable of self-pollination?
The colorless root-like projections of mosses, liverworts, and hornworts, which anchor them to the substrate are called?
The three most limiting essential elements are?
Pollen grains are formed in the anther of the flower. The correct sequence is
Diploid microspore mother cells divide by meiosis to four haploid microscopes. Each microspore develops into a pollen grain by mitosis
The gametophyte is green and nutritionally independent in
The structure of a mature, functional fruit always includes..
one or more seeds
all of the following are a plant adaptation to life on land except?
the Calvin cycle of photosynthesis
A plant developed a mineral deficiency after being treated with a fungicide. What is the most probable cause of the deficiency?
Mycorrhizal fungi were killed
Somewhat elongated supporting cells with unevenly thickened cell walls, in strands beneath the epidermis, are
Which of the following is the male gametophyte of a flowering plant/
Most adult tracheophyte plants represent the?
Which of the following does not represent a major innovation of plants as they moved to and evolved on land?
the use of chlorophyll a and b
The following sentence is correctly completed using which of the following choices? The globular stage of a plant embryo development give rise to...
heart-shaped embryo in the dicot
Fern spores germinate into_____?
gametophytes which are often heart-shaped and have rhizoids that anchor the fern to the substrate
____is to xylem as _____ is to phloem
Vessel element; sieve-tube member
Which of the following is not one of the whorls of a complete flower
Embryo containing zygote
Which one of the following is not a part of the embryo sac (angiosperm female gametophyte)?
Which of these common "veggies" should technically be called a "fruit"
Secondary xylem and phloem in tracheophyte seed plants allow for
increased girth later in their development
Another name for a scale in a gymnosperm strobilus is
Plants that flower year after year are called?
The steps involved in the fertilization of angiosperm flowers include all of the following except
the style of the pistil contracts to bring the sperm closer to the embryo sac.
A water molecule could move all the way through a plant from soil to root to leaf to air and pass through a living cell only once. This living cell would be a part of which structure?
A perfect flower is fertile, but may be either complete or incomplete. Which of the following correctly describes a perfect flower?
has both stamens and carpels
A birdhouse is nailed into a tree 6 feet up from the ground. If the tree grows about 2 feet taller each year, where will the birdhouse be 25 years later?
Which gaseous hormone stimulates the ripening of fruit?
Which of the following combinations of plant nutrients make up about 94% of a plant's dry weight?
carbon, oxygen, and hydrogen
Most carbohydrates manufactured in leaves and other green parts are distributed through the phloem to the rest
Angiosperms are primarily characterized by all of the following except...
free water is required for pollination
the name of the meristematic tissue that gives rise to future vascular tissue is?
The seed leaves that are produced by embryonic cells and are formed from bulges on the embryo are called?
At the Farmers' Market, which of these fruits would you select as examples of drupes?
peaches and plums
Evolutionarily, floral parts are modified
PLants contain meristems whose major function is to
produce more cells
Microspore mother cells produce microspores that develop into
A lateral root is initiated from the
Which cells are characterized by thin cell walls, the largest vacuoles, and the least specialization?
Linen is woven from strands of sclerenchyma____ that occur in the phloem of flax
Gas exchange, which is necessary for photosynthesis, can only occur most easily in which leaf tissure?
What is the main force by which most of the water within xylem vessels move toward the top of a tree?
evaporation of water through stoma
ON a short-term basis, water loss in plants may be controlled by the?
closing of the stomates in the leaves
All of the following normally enter the plant through the roots except
Which naturally-occurring plant hormone has a major roles in the phototrophic response of plants?