BIOL 227 Plants Test Questions with Correct Answers Already Passed
The evolution of fronds may have occurred in what steps? - Answers Branch forks evenly to branch forks
unevenly to leaves with many veins
The enations (=leaves) of leafy liverworts differ from those of mosses in that liverwort leaves are... -
Answers Arranged in two rows with a third row of smaller leaves
Which of the following lists the taxonomic categories in the correct hierarchy, from most to least
inclusive, under kingdom? - Answers Phylum, class, order, family, genus, species
The names of nearly all plant families end in... - Answers aceae
Biological features that have a common origin, even if they have a different function, are said to be: -
Answers Homologous
In all bryophytes the sporophyte is...
a) Is retained by the female gametophyte
b) Is the non-dominant stage of the life cycle
c) Is unbranched
d) All of the above
e) Some of the above - Answers e) Some of the above
The function of elaters is to... - Answers Help disperse spores
Which of the following is NOT a characteristic shared by bryophytes and vascular plants? - Answers
Retention of the embryo within an antheridium
Bryophytes share all of the following features with charophytes except: - Answers The presence of
archegonia
In bryophytes, rhizoids usually: - Answers Attach to the substrate
Which of the following is NOT a group of mosses of phylum Bryophyta? - Answers Club mosses
Euphorbia resinifera (resin spurge, family Euphorbiaceae) from North Africa and Pachycereus pringlei
(Elephant cactus family Cactaceae) from North and central Americas both have CAM photosynthesis,
this is an example of: - Answers Convergent evolution
Which of the following statements concerning hornworts is FALSE? - Answers The sporophyte is covered
with a cuticle but lacks stomata
In most bryophytes the ventor protects the... - Answers Antheridia and Archegonia
, Meiosis always produces - Answers Haploid cells
A peristome is a capsular structure characteristic of members of the phylum ______, class ______ -
Answers Bryophyta; Bryidae
A diploid is different from a haploid: - Answers In having two sets of every gene a haploid has
At maturity, the sporophyte of most bryophytes consists of the... - Answers Foot, seta, and capsule
Microphylls differ from megaphylls in that the microphylls are... - Answers Associated with protosteles
In the fern, fertilization takes place when__________ - Answers Moisture is present
In the evolution of land plants, sporophytes became dominant over gametophytes due primarily to what
adaptation? - Answers Vascular tissue
Compared to the Bryophytes the haplo-diplontic life cycle of the seedless vascular plants is characterised
by: - Answers Independent gametophytes and sporophytes
In contrast to a eusporangium, a leptosporangium: - Answers Arises from a single initial cell
Extant Lycophytes and extinct tracheophytes have in common produce or are: - Answers All of the above
Which of the following cells has a different ploidy level from the rest? - Answers Cells of a gametophyte
The development of a vascular system in plants allowed: - Answers A, b and c
The siphonostele of ferns: - Answers Has a series of discrete strands around a central pith
A strobilus (plural = strobili) is a terminal cluster of tightly packed sporophylls produced by members of
the: - Answers Some of the above
During the carboniferous period humid swap forests covered vast regions of the earth. Which of the
following statements regarding these forests is FALSE? - Answers They were dominated by Bryophytes
In plant life cycles, which of the following sequences is correct? - Answers Zygote, sporophyte, meiosis,
spores
A structure that regulates the movement of carbon dioxide into the plant and the movement of water
and oxygen out of the plant is... - Answers Stoma
In members of the phylum Monilophyta (eusporangiate ferns), the innermost wall layer of a
eusporangium is called the: - Answers Tapetum
The evolution of fronds may have occurred in what steps... - Answers Branch forks evenly to branch
forks unevenly to leaves with many veins
The evolution of fronds may have occurred in what steps? - Answers Branch forks evenly to branch forks
unevenly to leaves with many veins
The enations (=leaves) of leafy liverworts differ from those of mosses in that liverwort leaves are... -
Answers Arranged in two rows with a third row of smaller leaves
Which of the following lists the taxonomic categories in the correct hierarchy, from most to least
inclusive, under kingdom? - Answers Phylum, class, order, family, genus, species
The names of nearly all plant families end in... - Answers aceae
Biological features that have a common origin, even if they have a different function, are said to be: -
Answers Homologous
In all bryophytes the sporophyte is...
a) Is retained by the female gametophyte
b) Is the non-dominant stage of the life cycle
c) Is unbranched
d) All of the above
e) Some of the above - Answers e) Some of the above
The function of elaters is to... - Answers Help disperse spores
Which of the following is NOT a characteristic shared by bryophytes and vascular plants? - Answers
Retention of the embryo within an antheridium
Bryophytes share all of the following features with charophytes except: - Answers The presence of
archegonia
In bryophytes, rhizoids usually: - Answers Attach to the substrate
Which of the following is NOT a group of mosses of phylum Bryophyta? - Answers Club mosses
Euphorbia resinifera (resin spurge, family Euphorbiaceae) from North Africa and Pachycereus pringlei
(Elephant cactus family Cactaceae) from North and central Americas both have CAM photosynthesis,
this is an example of: - Answers Convergent evolution
Which of the following statements concerning hornworts is FALSE? - Answers The sporophyte is covered
with a cuticle but lacks stomata
In most bryophytes the ventor protects the... - Answers Antheridia and Archegonia
, Meiosis always produces - Answers Haploid cells
A peristome is a capsular structure characteristic of members of the phylum ______, class ______ -
Answers Bryophyta; Bryidae
A diploid is different from a haploid: - Answers In having two sets of every gene a haploid has
At maturity, the sporophyte of most bryophytes consists of the... - Answers Foot, seta, and capsule
Microphylls differ from megaphylls in that the microphylls are... - Answers Associated with protosteles
In the fern, fertilization takes place when__________ - Answers Moisture is present
In the evolution of land plants, sporophytes became dominant over gametophytes due primarily to what
adaptation? - Answers Vascular tissue
Compared to the Bryophytes the haplo-diplontic life cycle of the seedless vascular plants is characterised
by: - Answers Independent gametophytes and sporophytes
In contrast to a eusporangium, a leptosporangium: - Answers Arises from a single initial cell
Extant Lycophytes and extinct tracheophytes have in common produce or are: - Answers All of the above
Which of the following cells has a different ploidy level from the rest? - Answers Cells of a gametophyte
The development of a vascular system in plants allowed: - Answers A, b and c
The siphonostele of ferns: - Answers Has a series of discrete strands around a central pith
A strobilus (plural = strobili) is a terminal cluster of tightly packed sporophylls produced by members of
the: - Answers Some of the above
During the carboniferous period humid swap forests covered vast regions of the earth. Which of the
following statements regarding these forests is FALSE? - Answers They were dominated by Bryophytes
In plant life cycles, which of the following sequences is correct? - Answers Zygote, sporophyte, meiosis,
spores
A structure that regulates the movement of carbon dioxide into the plant and the movement of water
and oxygen out of the plant is... - Answers Stoma
In members of the phylum Monilophyta (eusporangiate ferns), the innermost wall layer of a
eusporangium is called the: - Answers Tapetum
The evolution of fronds may have occurred in what steps... - Answers Branch forks evenly to branch
forks unevenly to leaves with many veins
