Questão 1
Questão
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.
Questão 2
Questão
The parts of the pistil are the
Questão 3
Questão
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.
Questão 4
Questão
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.
Questão 5
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modified roots.
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modified stems.
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modified gametophytes.
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modified internodes.
Questão 6
Questão
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.
Questão 7
Questão
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.
Questão 8
Questão
Fruits can develop from--
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carpels.
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pedicles.
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carples or pedicles.
Questão 9
Questão
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
Questão 10
Questão
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.
Questão 11
Questão
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.
Questão 12
Questão
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.
Questão 13
Questão
Carpels are most likely--
Questão 14
Questão
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.
Questão 15
Questão
Zamia belongs to the--
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ginkophyta.
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cycadophyta.
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coniferophyta.
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gnetophyta.
Questão 16
Questão
In pines, the male gametophyte takes a few [blank] to fertilize the egg of the female gametophyte.
Questão 17
Questão
All seed plants are--
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heterosporous.
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homosporous.
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monoecious.
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dioecious.
Questão 18
Questão
Which generation is the dominate generation in gymnosperms?
Questão 19
Questão
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.
Questão 20
Questão
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.
Questão 21
Questão
The archegonium of pines forms within the--
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female gametophyte.
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pollen tube.
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microsporangium.
Questão 22
Questão 23
Questão
There is adequate redwood and Douglas Fir timber for this century.
Questão 24
Questão
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.
Questão 25
Questão
Pines belong to--
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ginkophyta.
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cycadophyta.
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coniferophyta.
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gnetophyta.
Questão 26
Questão
Gymnosperms such as pine produce--
Questão 27
Questão
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
Questão 28
Questão
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.
Questão 29
Questão
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.
Questão 30
Questão
The dominate generation of horsetails is the [blank] generation.
Questão 31
Questão
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.
Questão 32
Questão
Lycopodium and Selaginella--
Questão 33
Questão
Spores of Lycopodium are homosporous. This means that--
Questão 34
Questão
A megaspore will grow into the--
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female gametophyte.
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male gametophyte.
Questão 35
Questão
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.
Questão 36
Questão
A sporophyte is a--
Questão 37
Questão
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)
Questão 38
Questão
The gametophyte generation is produced by--
Questão 39
Questão
Bryophytes have--
Questão 40
Questão
While most bryophytes grow in wet areas, some have developed tolerance to dry conditions and can survive desiccation.
Questão 41
Questão
The sporophyte generation is--
Questão 42
Questão
Hornworts have archegonia that are--
Questão 43
Questão
The moss gametophyte generation is--
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haploid.
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diploid.
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polyploid.
Questão 44
Questão
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.
Questão 45
Questão
Aside from the production of spores, all other cell divisions in the gametophyte and sporophyte generations are produced by mitosis.
Questão 46
Questão
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.
Questão 47
Questão
The dominate generation of the Marchantia is the [blank] generation.
Questão 48
Questão
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.
Questão 49
Questão
Mosses belong to the division--
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Bryophyta.
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Hepatophyta.
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Anthocerotophyta.
Questão 50
Questão 51
Questão
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
Questão 52
Questão
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.
Questão 53
Questão
Mosses determine sex by--
Questão 54
Questão
The moss sporophyte obtains nourishment from the--
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soil.
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leaves.
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gametophyte.
Questão 55
Questão
Aquatic habitats have advantages over land habits. This includes--