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WorksheetsBiology Chapter 23
Total questions: 48
Worksheet time: 24mins
Flagellated sperm and a sporophyte that is dependent on the gametophyte are characteristics of:
Gymnosperm
Angiosperm
Ferns
Moss
Lycophytes
Which of the following is a trait that evolved in ALL plants?
Protection of the embryo
Apical growth
Vascular tissue
Seeds
Molecular data suggests that land plants evolved from:
Charophytes
Rhodophyta
Dinoflagellates
The water molds
Ciliates
As plants invaded the land, all of the following were true EXCEPT:
There was a greater availability of light for photosynthesis
There was a greater concentration of carbon dioxide available in the atmosphere
There was an increased threat of desication of unprotected cells
There was an increased threat from predation by animals
Which of the following is NOT an adaptation of plants to life on land?
Protection of the embryo from drying out
Waxy cuticle on leaves to prevent drying out
Waxy cuticle on roots to prevent drying out
Vascular system (in most plants) to move water internally
In the alternation of generations life cycle of plants, gametes are produced by the:
Sporophyte
Fruit
Gametophyte
Homospores
Strobili
Which of the following is NOT part of an alternation of generations life cycle?
A diploid zygote
Haploid spores
Gametophyte generation
Sporophyte generation
Triploid gametes
A characteristic of land plants is the presence of small openings, found mostly on the underside of leaves, that allow gas exchange between the plant and its enviroment. These structures are called:
Cuticles
Stomata
Thallus
Rhizoids
Chlorplasts
Which portion of the plant life cycle is haploid?
Gametophyte
Sporophyte
Both sporophyte and gametophyte are haploid
Zygote
Which of the following is NOT an adaptation of plants to a terrestrial environment?
A dominant sporphyte with vascular tissue
A cuticle to prevent water loss from exposed parts of the plant
The evolution of photosynthesis in order to supply the energy necessary to live on land
Stomata to regulate gas exchange with the atmosphere
Evidence for the evolution of plants from a freshwater algal species is supported by all of the following EXCEPT:
Both green algae and plants have chlorophylls a and b and various accesory pigments
Both green algae and plants store excess carbohydrates as starch and have cellulose in their cell walls
Molecular evaluation of ribosomal RNA provides evidence of the evolutionary relationship of plants and green algae
Plants and green algae share a significant number of structural similarities in root, stem, and leaf structure
All of the following are milestones in the evolution of plants EXCEPT:
Nourishment of a multicellular embryo within the body of the female plant
The development of vascular tissues to conduct water and solutes throughout the body of the plant
Seed production
The switch to chlorophyll as the primary photosynthetic pigment
Flower reproduction
Which of the following features would have helped early plant ancestors evolve to a terrestrial existance?
A cuticle
Apical cells
Plasmodesmata
Placenta
All of these features would have helped
Molecular data shows that land plants and charophytes:
Are in different clades and form a polyphyletic group
Are in the same clade and form a monophyletic group
Do not share common ancestry
Are in the same clade but form a polyphyletic group
Are in different clades but form a monophyletic
When a moss spore lands on an appropriate site, it germinates into the first stage of the gametophyte called a (n)
Protonema
Antheridium
Rhizoid
Prothallus
Which of the following features would NOT be found in bryophytes?
Alternation of generations
Megaphylls
Flagellated sperm
A gametophyte dependent on the sporophyte
Which of the following features would disqualify a plant as being classified as a bryophyte?
Nonvascular tissues
Gametophyte is the dominant stage of the life cycle
Presence of flagellated sperm
Ability to reproduce sexually and asexually
Dispersal of gametes by wind
Asexual reproduction in the liverwort Marchantia is by means of:
The detachment of gemmae
Budding of daughter cells
Fragmentation of plant tissue
The fusion of antheridial and archegonial products
What is the correct sequence of events during the life cycle of a moss?
a. Gametes are produced in the archegonia and antheridia.
b. Spores are released.
c. The zygote develops within the archegonium.
d. The mature sporophyte develops from the gametophyte and produces spores.
e. Flagellated sperm swim towards the egg for fertilization.
f. Spore germinates into the protonema.
a-e-c-d-b-f
a-e-f-d-b-c
a-b-d-c-b-f
f-e-b-d-a-c
In the moss life cycle, _____ is the dominant generation.
Haploid gametophyte
Diploid gametophyte
Haploid sporophyte
Diploid sporophyte
All of the following are true about bryophytes EXCEPT:
They are now the most abundant plant group on land
They can be found from the Antarctic to the tropics
They produce peat that can be used as fuel
They erode rocks to produce soil
The first plants to colonize land were the:
Gametophytes
Bryophytes
Pteridophytes
Lycophytes
All of the following structures are associated with lycophytes EXCEPT:
Archegonia
Rhizome
Microspores
Microphylls
Which of the following groups of plants contain microphylls?
Lycophytes
Pteridophytes
Bryophytes
Gymnosperms
Angiosperms
Identify the feature found in Cooksonia that qualifies it as a vascular plant
Presence of roots
Presence of leaves
The presence of branches
The production of windblown spores
The production of seeds
As a botanist working for a field museum, you spend many hours in the field looking for new species. On a recent trip you may have discovered a new plant species. The plant is very short and has a stem but no roots or leaves. The stem forks and has branches that have sporangia on the tips. Further analysis reveals vascular tissue. What type of plant might you have discovered?
Gymnosperm
Bryophyte
Angiosperm
Gingko
Rhyniophyte
The first fossil evidence of vascular tissue is seen in the:
Green algae
Tracheophytes
Rhyniophytes
Bryophytes
Tree ferns
Which of the following statements about lycophytes is correct?
The megaspores will develop into female gametophytes
The microspores will develop into female gametophytes
The megaspores will develop into male gametophytes
Lycophytes were the first land plants to evolve megaphylls
It is possible to take a mature fern frond and rub the circular brown growths on the lower surface over a wet plug of peat moss. Soon small heart-shaped green structures grow on the nutritious peat moss plugs. What has happened?
Eggs and sperm released from the underside of the fern frond united on the peat plug and grew into sporophyte prothalli
Spores released from the underside of the frond germinated on the peat plug and formed the gametophyte called a prothallus
Spores released from the underside of the fern frond germinated on the peat plug and formed sporophyte rhizomes that give rise to many indusium
Gametes released from the underside of the fern frond germinated on the peat plug and formed a sporophyte structure called an archegonium
Zygotes released from the bottom of the fern frond germinated on the peat plug and grew into gametophyte fiddleheads
In the fern life cycle, the ____ generation is dominant.
Haploid gametophyte
Diploid gametophyte
Haploid sporophyte
Diploid sporophyte
Which of these statements is NOT true about fertilization in a fern plant?
An egg is produced in an archegonium
A sperm is produced in an antheridium
The sperm is carried by the wind to the egg
The eggs and sperm are produced on the same plant
Eggs and sperm are produced by the gametophyte generation
Identify the species that is NOT classified as a pteridophyte
Marchantia
Equisetum
Hart's tongue
Psilotum
Seedless vascular plants include all of the following EXCEPT:
Psilotum- Pteridophytes
Horsetails- Sphenophyta
Sphagnum- Bryophyta
Whisk ferns- Psilotophyta
Which of the following descriptions applies to megaphylls?
Can be found in both the pteridophytes and seed plants
Are broad leaves with branched veins
Allowed early plants to photosynthesize more efficiently
Evolved around 370 MYA
All of the answer choices apply to megaphylls
As a botanist working for a field museum, you spend many hours in the field looking for new species. On a recent trip you may have discovered a new plant species. Your observations of the new plant include small leaves with a single, unbranched vein and roots that seem to be simple extensions of the stem. Your new plants species is probably a(n):
Gnetophyte
Lycophyte
Angiosperm
Liverwort
Fern
Which of the following is a male reproductive structure found in plants?
Archegonia
Megaspore
Pollen cone
Pistil
A characteristic only shared by angiosperms and gymnosperms is:
Vascular tissue
Fruit production
The production of seeds
Protection of the embryo
Which of these vascular plants produce seeds?
Ferns
Club mosses
Whisk ferns
Gnetophytes
Horsetails
A microspore develops into a(n):
Seed
Sporophyte
Male gametophyte
Female gametophyte
Ovule
Gymnosperms are characterized by producing "naked seeds." Which of the following groups is NOT classified as a gymnosperm?
Horsetails
Cycads
Conifers
Gnetophytes
Ginkgoes
In the pine life cycle:
Fertilization occurs shortly after pollination to produce the zygote
The gametophyte generation is dominant and the sporophyte generation is inconspicious
Seed cones are smaller than pollen cones
Seed cones are located near the tips of higher branches and pollen cones develop near the tips of lower branches
The cone is the fruit that surrounds the seeds
Characteristics of eudicots include all EXCEPT:
Two cotyledons
Leaves with netted veins
Woody or herbaceous plants
Flower parts in fours or fives
Vascular bundles arranged irregularly in the stem.
In gymnosperms and angiosperms, seeds disperse the ___ stage of the life cycle and in mosses and ferns, spores disperse the ___ stage of the life cycle
Sporophyte; sporophyte
Gametophyte; sporophyte
Sporophyte; gametophyte
Microsporocytes; megasporocytes
The dominant plants in modern times are the ___ due to their relationship with animal pollinators.
Gymnosperms
Angiosperms
Club mosses
Ferns
Angiosperms are referred to as ____ when the male and female reproductive parts are on different individuals of the same species.
Dioecious
Monoecious
Tetraploid
Bryophytes
Which group of gymnosperms is represented by only one surviving species?
Ginkgoes
Conifers
Cycads
Gnetophytes
Pines
Which group of gymnosperms is found in tropical and subtropical forests?
Ginkgoes
Conifers
Cycads
Gnetophytes
Lycophyte
As a botanist working for a field museum, you spend many hours in the field looking for a new species of plant. On a recent trip, you came across a group of plants that may represent a new species. Each plant has seeds but they are not encased in fruit. Additionally, you notice that male and female cone structures are found on different plants. The cones are very large, and you determine average weight to be 30kg. In which of the following groups would this plant most likely be classified?
Fern
Angiosperm
Gnetophyte
Cycad
Conifer
