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Plants

front 1 The triploid food storage tissue of angiosperms is called the... suspensor endospem ground meristem proembryo procambruim	back 1 Endosperm
front 2 Annual rings in a tree truck result from differences in... -deposition of colored materials in the oldest cells -the growth rate and water availability of secondary xylem at different seasons -the amount of heartwood and sapwood -the kind of cells, xylem or phloem, produced by the cambuim -the proportion of wood cells and cork cells in xylem	back 2 the growth rate and water availability of secondary xylem at different seasons
front 3 Which division is not a seedless vascular plant? -coniferophyta -psilophyta -pterophyta -spenophyta -lycophyta	back 3 conferiophyta
front 4 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) -xylem ( only primary) -phloem (primary and secondary) -phloem (secondary only) -xylem and phloem since vascular cambium is only one cell in thickness	back 4 xylem (primary and secondary)

front 5 Parenchyma, collenchyma, and sclerenchyma are all cells of? Meristem tissue ground tissue vascular cambium tissue cork cambium tissue epidermal tissue	back 5 ground tisue
front 6 Which of the following is not one of the seven major plant hormones? auxin nitrogen oxide cytokinin gibberellin ethylene	back 6 Nitrogen oxide
front 7 Double fertilization in angiosperms is best described as? -one sperm fertilizes the egg, which develops into the seed, and the other sperm fertilizes the ovary, which becomes the fruit -one sperm fertilizes the egg, which develops into the seed, and the other sperm fertilizes the polar nuclei, which forms the endosperm -one sperm fertilizes the egg, which develops into the seed, and the other sperm fertilizes the polar nuclei, which forms the seed coat -one sperm fertilizes the egg, which develops into the seed, and the other sperm produces the pollen tube	back 7 one sperm fertilizes the egg, which develops into the seed, and the other sperm fertilizes the polar nuclei, which forms the endosperm
front 8 Well-developed vascular systems are absent in all of the following except..? Hepatophyta Brophyta Chlorophyta Charophytes Pterophytes	back 8 Pterophytes

front 9 Which of the following types of plants are incapable of self-pollination? dioecious monoecious complete wind-pollinated insect-pollinated	back 9 dioecious
front 10 The colorless root-like projections of mosses, liverworts, and hornworts, which anchor them to the substrate are called? Rhizoids tap root fibrous roots specialized roots storage roots	back 10 rhizoids
front 11 The three most limiting essential elements are? N,C,K Mg,N,P N,P,K C,H,O	back 11 N,P,K
front 12 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 -Haploid microspore mother cells divide by meiosis to four haploid microscopes. Each microspore develops into a pollen grain by mitosis -Diploid microspore mother cells divide by mitosis to four haploid microscopes. Each microspore develops into a pollen grain by meiosis -Haploid microspore mother cells divide by mitosis to four haploid microscopes. Each microspore develops into a pollen grain by meiosis	back 12 Diploid microspore mother cells divide by meiosis to four haploid microscopes. Each microspore develops into a pollen grain by mitosis

front 13 The gametophyte is green and nutritionally independent in bryophytes angiosperms conifers cycads	back 13 bryophytes
front 14 The structure of a mature, functional fruit always includes.. -one or more seeds -extensive vascular connections to the parent plant -fleshy cells rich in sugars -brightly colored pigments to attract animal dispersers -subtending bracts to protect against predators	back 14 one or more seeds
front 15 all of the following are a plant adaptation to life on land except? tracheids and vessels root hairs cuticle the Calvin cycle of photosynthesis collenchyma	back 15 the Calvin cycle of photosynthesis
front 16 A plant developed a mineral deficiency after being treated with a fungicide. What is the most probable cause of the deficiency? -Mineral receptor proteins in the plant membrane were not functioning. -Mycorrhizal fungi were killed. -Active transport of minerals was inhibited. -The genes for the synthesis of transport proteins were destroyed. -Proton pumps reversed the membrane potential.	back 16 Mycorrhizal fungi were killed

front 17 Somewhat elongated supporting cells with unevenly thickened cell walls, in strands beneath the epidermis, are Collenchyma Parenchyma Sclerenchyma Sieve Elements Tracheary Elements	back 17 Collenchyma
front 18 Which of the following is the male gametophyte of a flowering plant/ ovule microsporocyte pollen grain embryo sac stamen	back 18 pollen grain
front 19 Most adult tracheophyte plants represent the? A. epiphyte generation. B. sporophyte generation. C. spore generation. D. gametophyte generation. E. angiosperm generation.	back 19 Sporophyte generation
front 20 Which of the following does not represent a major innovation of plants as they moved to and evolved on land? formation of a cuticle development of stomata protected spores and gametes the use of chlorophyll a and b roots, stems, and leaves	back 20 the use of chlorophyll a and b

front 21 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 the suspensor of the germinating seed a ball with a budge in conifers rhizoids in Fucus double fertilization in angiosperms	back 21 heart-shaped embryo in the dicot
front 22 Fern spores germinate into_____? -gametophytes which are often heart-shaped and have rhizoids that anchor the fern to the substrate -gametophytes which are often heart-shaped and have roots that anchor the fern to the substrate -sporoophytes which are often heart-shaped and have rhizoids that anchor the fern to the substrate -sporoophytes which are often heart-shaped and have roots that anchor the fern to the substrate	back 22 gametophytes which are often heart-shaped and have rhizoids that anchor the fern to the substrate
front 23 ____is to xylem as _____ is to phloem sclerenchyma cell; collenchyma cell apical meristem; vascular cell Vessel element; sieve-tube member cortex; pith vascular cambium; cork cambium	back 23 Vessel element; sieve-tube member
front 24 Which of the following is not one of the whorls of a complete flower A. gynoecium containing carpels B. androecium containing stamens C. corolla containing petals D. calyx containing the sepals E. embryo containing zygotes	back 24 Embryo containing zygote

front 25 Which one of the following is not a part of the embryo sac (angiosperm female gametophyte)? Generative cell antipodals polar nuclei syngergids egg	back 25 Generative cell
front 26 Which of these common "veggies" should technically be called a "fruit" potato carrot lettuce string bean celery	back 26 string bean
front 27 Secondary xylem and phloem in tracheophyte seed plants allow for A. increased girth later in their development. B. increased root penetration in drier habitats. C. increased leaf expansion and elongation. D. increased production of flowers and fruits. E. increased production of rhizoids at their root tips.	back 27 increased girth later in their development
front 28 Another name for a scale in a gymnosperm strobilus is -an aleurone -a hypocotyl -a sporophyll -a scutellum -an amyloplast	back 28 sporophyll

front 29 Plants that flower year after year are called? annuals biennials perennials monocots dicots	back 29 perennials
front 30 The steps involved in the fertilization of angiosperm flowers include all of the following except A. pollen is transported to a stigma of a flower. B. when pollen reaches the stigma of a flower, it begins to grow a pollen tube that pierces the style. C. the style of the pistil contracts to bring the sperm closer to the embryo sac. D. the pollen tube grows until it reaches the ovule in the ovary. E. double fertilization produces an embryo and the endosperm.	back 30 the style of the pistil contracts to bring the sperm closer to the embryo sac.
front 31 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) the Casparian strip B) a guard cell C) the root epidermis D) the endodermis E) the root cortex	back 31 endodermis
front 32 A perfect flower is fertile, but may be either complete or incomplete. Which of the following correctly describes a perfect flower? A) It has no sepals. B) It has fused carpels. C) It is on a dioecious plant. D) It has no endosperm. E) It has both stamens and carpels.	back 32 has both stamens and carpels

front 33 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? A. 50 feet B. 56 feet C. 26 feet D. 6 feet E. 4 feet	back 33 6 feet
front 34 Which gaseous hormone stimulates the ripening of fruit? abscisic acid gibberellin auxin ethylene cytokinin	back 34 ethylene
front 35 Which of the following combinations of plant nutrients make up about 94% of a plant's dry weight? a. nitrogen, phosphorus, and potassium b. carbon, iron, and phosphorus c. calcium, chlorine, and manganese d. zinc, oxygen, and boron e. carbon, oxygen, and hydrogen	back 35 carbon, oxygen, and hydrogen
front 36 Most carbohydrates manufactured in leaves and other green parts are distributed through the phloem to the rest A-transpiration B-translocation C-osmosis D-receptor mediated transport E-turgor pressure	back 36 translocation

front 37 Angiosperms are primarily characterized by all of the following except... A-ovules are enclosed within other tissues at the time of pollination B-a seed develops within a carpel C-the ovary matures into the fruit D-free water is required for pollination E-bear flowers which are modified stems bearing modified leaves	back 37 free water is required for pollination
front 38 the name of the meristematic tissue that gives rise to future vascular tissue is? Procambruim cork cambium ground meristem dermal tissue protoderm	back 38 Procambruim
front 39 The seed leaves that are produced by embryonic cells and are formed from bulges on the embryo are called? radicles embryo sacs petioles cotyledons ovules	back 39 cotyledons
front 40 At the Farmers' Market, which of these fruits would you select as examples of drupes? oranges and lemons peaches and plums strawberries and blackberries blueberries and tomatoes grapes and peppers	back 40 peaches and plums

front 41 Evolutionarily, floral parts are modified stems leaves roots stolons buds	back 41 leaves
front 42 PLants contain meristems whose major function is to Attract pollinators absorb ions photosynthesize produce more cells produce flowers	back 42 produce more cells
front 43 Microspore mother cells produce microspores that develop into egg cells pollen grains synergids endosperm megaspores	back 43 pollen grains
front 44 A lateral root is initiated from the cork cambium pith ray procambium pericycle cortex	back 44 pericycle

front 45 Which cells are characterized by thin cell walls, the largest vacuoles, and the least specialization? epidermis collenchyma sclerenchyma parenchyma meristem	back 45 Parenchyma
front 46 Linen is woven from strands of sclerenchyma____ that occur in the phloem of flax tracheid sieve sclerid sollenchyma fiber	back 46 fiber
front 47 Gas exchange, which is necessary for photosynthesis, can only occur most easily in which leaf tissure? epidermis palisade mesophyll spongy mesophyll vascular tissue bundle sheath	back 47 spongy mesophyll
front 48 What is the main force by which most of the water within xylem vessels move toward the top of a tree? A) active transport of ions into the stele B) atmospheric pressure on roots C) evaporation of water through stoma D) the force of root pressure E) osmosis in the root	back 48 evaporation of water through stoma

front 49 ON a short-term basis, water loss in plants may be controlled by the? A. bending of the petioles on the leaves. B. closing of the stele in the roots. C. closing of the stomates in the leaves D. opening of the stomates in the leaves to allow more carbon dioxide to enter. E. opening the casparian strips in the roots.	back 49 closing of the stomates in the leaves
front 50 All of the following normally enter the plant through the roots except Carbon dioxide nitrogen potassium water calcium	back 50 Caron dioxide
front 51 Which naturally-occurring plant hormone has a major roles in the phototrophic response of plants? auxin gibberellin asbscisic acid ethylene 2, 4-D	back 51 Auxin