20443053
Beschreibung
Quiz von Selah Lowery, aktualisiert more than 1 year ago
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Erstellt von Selah Lowery
vor etwa 5 Jahre
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Frage 1
Frage
Pollen is received by the
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stigma.
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style.
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ovary.
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carpel.
Frage 2
Frage
The parts of the pistil are the
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anther and filament.
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stigmas, style, and ovary.
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petals and sepals.
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calyx and corolla.
Frage 3
Frage
Some tropical plants have anthers that--
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look like modified leaves with imbedded sporangia.
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are exactly like microsporangia of cycads.
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are modified gametes.
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are modified megasporangia.
Frage 4
Frage
The corolla is composed of
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petals.
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sepals.
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stamens.
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carpels.
Frage 5
Frage
Flowers are--
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modified roots.
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modified stems.
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modified gametophytes.
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modified internodes.
Frage 6
Frage
Fertilization in angiosperms require--
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one sperm.
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two sperm, one of which degenerates.
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two sperm, one of which fuses with the endosperm nuclei
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many sperm.
Frage 7
Frage
The flower part are attached to a part of the flower stalk called the--
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receptacle.
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pedicle.
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pistil.
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filament.
Frage 8
Frage
Fruits can develop from--
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carpels.
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pedicles.
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carples or pedicles.
Frage 9
Frage
Which of the following lists the parts of the flower in order from the outside to the inside?
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Sepals, petals, anthers, pistils
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Petals, sepals, anthers, pistils
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Sepals, petals, pistils, anthers
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Petals, sepals, pistils, anthers
Frage 10
Frage
Angiosperms differ from most other land plants in that they have--
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double fertilization.
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vascular tissue.
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carpels.
Frage 11
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Angiosperms are--
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the most diverse group of plants.
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less diverse than gymnosperms.
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all land plants.
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all have conspicuous flowers.
Frage 12
Frage
The pollen generative cell divides to produce--
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a sperm nucleus.
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a tube nucleus.
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two sperm nuclei.
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two tube nuclei.
Frage 13
Frage
Carpels are most likely--
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modified megasporophylls.
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modified microsporophylls.
Frage 14
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The calyx is composed of--
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petals.
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sepals.
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stamens.
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carpels.
Frage 15
Frage
Zamia belongs to the--
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ginkophyta.
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cycadophyta.
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coniferophyta.
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gnetophyta.
Frage 16
Frage
In pines, the male gametophyte takes a few [blank] to fertilize the egg of the female gametophyte.
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hours
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minutes
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months
Frage 17
Frage
All seed plants are--
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heterosporous.
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homosporous.
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monoecious.
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dioecious.
Frage 18
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Which generation is the dominate generation in gymnosperms?
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Sporophyte
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Gametophyte
Frage 19
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Which of the following is an evolutionary advantage of seeds?
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Seeds provide food for the developing sporophyte.
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Seeds provide protection.
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Seeds allow for delayed germination until conditions are favorable.
Frage 20
Frage
Pollen grains are reduced--
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sporangium.
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sporophylls.
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male gametophytes.
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female gametophytes.
Frage 21
Frage
The archegonium of pines forms within the--
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female gametophyte.
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pollen tube.
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microsporangium.
Frage 22
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Ginko is--
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monoecious.
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dioecious.
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vegetatively propagated (no sexual reproduction).
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very sensitive to air pollution.
Frage 23
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There is adequate redwood and Douglas Fir timber for this century.
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- True
- False
Frage 24
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The term gymnosperm refers to--
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naked seeds.
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seeds enclosed in a fruit.
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sperm enclosed in pollen.
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sperm enclosed in a fruit.
Frage 25
Frage
Pines belong to--
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ginkophyta.
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cycadophyta.
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coniferophyta.
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gnetophyta.
Frage 26
Frage
Gymnosperms such as pine produce--
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vast amounts of pollen.
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very little pollen.
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seeds in only a few weeks.
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pollen in megasporangia.
Frage 27
Frage
Which of the following belong to Division Pinophyta?
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Hemlock
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Spruce
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Cypress
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Ephedra
Frage 28
Frage
The archegonium contains--
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large spores.
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small spores.
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eggs.
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sperm.
Frage 29
Frage
Sporophylls of club mosses--
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bear sporangia on their lower surfaces.
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are always morphologically distinct from vegetative leaves.
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are always photosynthetic.
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can be grouped into strobili.
Frage 30
Frage
The dominate generation of horsetails is the [blank] generation.
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sporophyte
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gametophyte
Frage 31
Frage
Spores of homosporus farms--
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develop into green gametophytes.
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only germinate in the dark.
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develop into sporophytes.
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develop into fiddleheads.
Frage 32
Frage
Lycopodium and Selaginella--
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are both homosporous.
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have mycorrhizal fungi in their gametophytes.
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require water for fertilization.
Frage 33
Frage
Spores of Lycopodium are homosporous. This means that--
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there are two different sizes spores in one plant.
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spores are all the same size.
Frage 34
Frage
A megaspore will grow into the--
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female gametophyte.
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male gametophyte.
Frage 35
Frage
Horsetails can be used for--
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feeding livestock.
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polishing pots and wood.
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reducing a headache.
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sterile wound dressing.
Frage 36
Frage
A sporophyte is a--
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modified leaf that bears a sporangium.
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container for spores.
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container for gametophytes.
Frage 37
Frage
The earliest vascular plants appeared in the fossil record about--
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100,000 years ago (last ice age)
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100 million years ago (the time of the dinosaurs)
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400 million years ago (with the appearance of the first vertebrate fossils)
Frage 38
Frage
The gametophyte generation is produced by--
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meiosis.
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mitosis.
Frage 39
Frage
Bryophytes have--
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true roots.
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structures which anchor the to the soil called rhizoids.
Frage 40
Frage
While most bryophytes grow in wet areas, some have developed tolerance to dry conditions and can survive desiccation.
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- True
- False
Frage 41
Frage
The sporophyte generation is--
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diploid.
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haploid.
Frage 42
Frage
Hornworts have archegonia that are--
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imbedded in the thallus.
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born on stalks above the thallus.
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at the tip of the stem.
Frage 43
Frage
The moss gametophyte generation is--
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haploid.
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diploid.
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polyploid.
Frage 44
Frage
When spores germinate, the developing chains of cells are called--
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gametophytes.
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buds.
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protonema.
Frage 45
Frage
Aside from the production of spores, all other cell divisions in the gametophyte and sporophyte generations are produced by mitosis.
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- True
- False
Frage 46
Frage
The container in which spores are formed is called a(n)--
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operculum.
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sporangium.
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antheridium.
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archegonium.
Frage 47
Frage
The dominate generation of the Marchantia is the [blank] generation.
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gametophyte
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sporophyte
Frage 48
Frage
The moss mature sporophyte consists of three parts. These are the--
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protonema, bud, and moss plant.
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foot, setae, and capsule.
Frage 49
Frage
Mosses belong to the division--
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Bryophyta.
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Hepatophyta.
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Anthocerotophyta.
Frage 50
Frage
Mosses have--
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true xylem and phloem.
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conducting tissue but not true xylem and phloem.
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no conducting tissue.
Frage 51
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In which of the following is the gametophyte generation the dominate generation?
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Hornworts
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Liverworts
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Mosses
Frage 52
Frage
As plants moved to land, adaptations to a land environment became necessary. To avoid desiccation, bryophytes developed--
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a waxy cuticle.
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xylem and phloem conducting tissues.
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stomates to protect against water loss.
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lignin.
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conducting tissues that are not true xylem and phloem.
Frage 53
Frage
Mosses determine sex by--
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environmental cues.
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an X and Y chromosome system.
Frage 54
Frage
The moss sporophyte obtains nourishment from the--
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soil.
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leaves.
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gametophyte.
Frage 55
Frage
Aquatic habitats have advantages over land habits. This includes--
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more available light.
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more available CO2.
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a constant source of water.
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