Plant Practice Questions Flashcards

Plant Practice Questions Flashcards for Midterm 2 Review

Are bryophyte plants a monophyletic group? (True or False)

False

Are algal plants a monophyletic group? (True or False)

False

Are plants a monophyletic group? (True or False)

True

Are all megaphyll leaves large? (True or False)

False

Are all microphyll leaves small? (True or False)

True

Does meiotic cell division result in a reduction in ploidy level? (True or False)

True

Does mitotic cell division result in a reduction in ploidy level? (True or False)

False

Does fertilization involve the fusion of two haploid spore nuclei? (True or False)

False

Does fertilization involve the fusion of two haploid gamete nuclei? (True or False)

True

In all sexual Eukaryotic life cycles, is the zygote the product of fertilization? (True or False)

True

In all sexual Eukaryotic life cycles, are gametes produced by meiosis? (True or False)

False

In the haplontic life cycle, does the zygote undergo meiosis to form spores? (True or False)

True

Do gametes (haploid sex cells) always involve a differentiated sperm and egg? (True or False)

False

In the sporic life cycle, is the zygote the first cell of the sporophyte generation? (True or False)

True

In the sporic life cycle, is the spore the first cell of the sporophyte generation? (True or False)

False

In the sporic life cycle, is the spore the first cell of the gametophyte generation? (True or False)

True

In the sporic life cycle, is the gamete the first cell of the gametophyte generation? (True or False)

False

In the stomata in Mosses, Hornworts and Vascular Plants are homologous. (True or False)

False

In the green (photosynthetic) sporophytes in Hornworts and Vascular Plants are homologous. (True or False)

True

In the vascular tissues in Vascular Plants and some Mosses are homologous. (True or False)

False

Did the vascular tissue of Rhyniophytes contain tracheid cells? (True or False)

True

Are the gametophytes of heterosporous plants unisexual? (True or False)

True

Are the gametophytes of heterosporous plants always multicellular? (True or False)

True

Do the sporophytes of homosporous plants have one kind of sporangium? (True or False)

True

Do the microgametophytes of all Seed Plants lack antheridia? (True or False)

True

Do the microgametophytes of all Seed Plants have an antheridium? (True or False)

False

Do the megagametophytes of all Seed Plants have an archegonium? (True or False)

True

Do the megagametophytes of all Seed Plants lack archegonia? (True or False)

False

Do the megagametophytes of Flowering Plants (Angiosperms) lack an archegonium? (True or False)

True

Do the megagametophytes of Gymnosperms have an archegonium? (True or False)

True

Did Chloroplasts arise in the common ancestor of Plants via a unique episode of primary endosymbiosis of a cyanobacterium? (True or False)

True

In Land Plants, is the gametophyte generation haploid? (True or False)

True

In Land Plants, is the sporophyte generation haploid? (True or False)

False

In Land Plants, is the sporophyte generation diploid? (True or False)

True

In all sexual life cycles of Plants, are gametes the direct products of meiosis? (True or False)

False

In Land Plants, are spores produced by meiosis? (True or False)

True

Is pollen (aka the pollen grain) the microgametophyte of Seed Plants? (True or False)

True

Is pollen (aka the pollen grain) the megagametophyte of Seed Plants? (True or False)

False

Is the embryo sac the megagametophyte of Seed Plants? (True or False)

True

Is the embryo sac the megagametophyte of Flowering Plants (Angiosperms)? (True or False)

True

Is the embryo sac the microgametophyte of Flowering Plants (Angiosperms)? (True or False)

False

In liverworts, moss, and hornworts is the gametophyte stage dominant (more conspicuous)? (True or False)

True

In Vascular Plants is the sprophyte stage is dominant (more conspicuous)? (True or False)

True

In Land Plants, are spores and gametes are both haploid (1n), so they are therefore both produced by meiosis? (True or False)

False

In Vascular Plants, is the transport of phloem sap active, whereas the transport of water is passive? (True or False)

True

In Vascular Plants, is the transport of phloem sap is described by the pressure-flow model? (True or False)

True

In Vascular Plants, is the transport of water through the xylem is described by the pressure-flow model? (True or False)

False

Is the phloem tissue of Vascular Plants composed of tracheid cells? (True or False)

False

Is the phloem tissue of Vascular Plants composed of sieve-tube cells (aka sieve-tube elements) and companion cells? (True or False)

True

Is the xylem tissue of Vascular Plants composed of sieve-tube cells (aka sieve-tube elements) and companion cells? (True or False)

False

In Vascular Plants, is the transport of water through the xylem is described by the transpiration- cohesion-tension model? (True or False)

True

Are the gametophytes of all Seed Plants unisexual? (True or False)

True

Is the megastrobilus of Gymnosperms derived from modified leaves? (True or False)

True

Is the megastrobilus of Gymnosperms derived from modified woody branches? (True or False)

False

Is the microstrobilus of Gymnosperms derived from modified leaves? (True or False)

True

Is an individual Gymnosperm plant with both microstrobili and megastrobili dioecious? (True or False)

False

Are Gymnosperms with either microstrobili or megastrobili dioecious? (True or False)

True

Is an individual Gymnosperm plant with both microstrobili and megastrobili monoecious? (True or False)

True

Are Gymnosperms with both microstrobili and megastrobili dioecious? (True or False)

False

Are Gymnosperms with both microstrobili and megastrobili monoecious? (True or False)

True

Does the fossil record of plants suggests that seeds evolved before wood (secondary xylem) in Seed Plants? (True or False)

False

Are the tiny leaves of some Gnetophytes species microphylls? (True or False)

True

Were Megaphyllous leaves derived evolutionarily from sterile lateral sporangia? (True or False)

False

Were Microphyllous leaves derived evolutionarily from sterile lateral sporangia? (True or False)

True

Were Microphyllous leaves derived evolutionarily from modified side branches? (True or False)

False

Were Megaphyllous leaves derived evolutionarily from modified side branches? (True or False)

True

Did the overtopping growth form facilitated the evolution of stigmarian (simple) roots? (True or False)

False

Did the dichotomously branching sporophyte facilitated the evolution of stigmarian (simple) roots? (True or False)

True

Did the overtopping growth form facilitated the evolution of complex roots? (True or False)

True

Did the dichotomously branching sporophyte facilitated the evolution of of complex roots? (True or False)

False

Did Reduction of the megagametophyte facilitated the evolution of the seed in Seed Plants? (True or False)

True

Which of the following is a diagnostic feature of all Plants? A. tracheids B. megaphylls C. chlorophyll a D. chlorophyll b E. (C) and (D)

E. (C) and (D)

Which of the following is a diagnostic feature of Green Plants (Viridiophytes)? A. tracheids B. megaphylls C. chlorophyll a D. chlorophyll b E. (C) and (D)

E. (C) and (D)

Which of the following “algal” groups is the sister group (closest relative) of Land Plants? A. Chlorophytes B. Charales C. Coleochates D. Glaucophytes E. red algae

B. Charales

In the diplontic life cycle: A. the haploid stage is called a spore B. the diploid stage is multicellular C. gametes are produced by mitosis D. haploid spores fuse at fertilization E. none of the above

C. gametes are produced by mitosis

The diplontic life cycle is characteristic of which group of plants: A. some “Algal” lineages B. some “Bryophyte” lineages C. some Monilophyte lineages D. some Lycophyte lineages E. none of the above

A. some “Algal” lineages

The haplontic life cycle is exhibited by which group of plants: A. some “Algal” lineages B. some “Bryophyte” lineages C. some Monilophyte lineages D. some Lycophyte lineages E. none of the above

A. some “Algal” lineages

The sporic life cycle is exhibited by which group of plants: A. “Bryophytes” B. Lycophytes C. Monilophytes D. Tracheophytes E. all of the above

E. all of the above

The sporic life cycle: A. is also called the “Alternation-of-generation” life cycle B. includes homospory C. includes heterospory D. is a diagnostic feature of Land Plants E. all of the above

E. all of the above

In the sporic life cycle: A. the haploid stage is unicellular B. the gametes are produced by mitosis C. spores are produced by mitosis D. gametes are produced in sporangia E. spores are produced in gametangia

B. the gametes are produced by mitosis

Which of the following is the sister group (closest relative) of Vascular Plants (Tracheophytes)? A. Lycophytes B. Mosses C. Liverworts D. Hornworts E. Monilophytes

D. Hornworts

In the sporic life cycle of moss (a group of “bryophyte” plants): A. the gametophyte is dependent on the sporophyte B. the gametophyte is relatively small/inconspicuous C. the sporophyte is dependent on the gametophyte D. the sporophyte is relatively large/conspicuous E. the sporophyte and gametophyte are independent

C. the sporophyte is dependent on the gametophyte

In the sporic life cycle of ferns (a group of “seedless-vascular” plants): A. the gametophyte is nutritionally dependent on the sporophyte B. the gametophyte is relatively large/conspicuous C. the sporophyte is nutritionally dependent on the gametophyte D. the sporophyte is relatively small/inconspicuous E. the sporophyte and gametophyte are both nutritionally independent

E. the sporophyte and gametophyte are both nutritionally independent

In the sporic life cycle of Seed Plants: A. the gametophyte is nutritionally dependent on the sporophyte B. the gametophyte is relatively large/conspicuous C. the sporophyte is nutritionally dependent on the gametophyte D. the sporophyte is relatively small/inconspicuous E. the sporophyte and gametophyte are both nutritionally independent

A. the gametophyte is nutritionally dependent on the sporophyte

The microgametophyte of Seed Plants is called: A. the microstrobilus B. the microsporocyte C. the pollen grain D. the microspore E. the anther

C. the pollen grain

The megagametophyte of Flowering Plants is called: A. the carpel B. the embryo sac C. the archegonium D. the ovary E. the ovule

B. the embryo sac

The dichotomously branching growth form is characteristic of which plants? A. “algal plants” B. “bryophytes” C. Euphyllophytes D. Lycophytes E. Monilophytes

D. Lycophytes

The unbranched growth form of the sporophyte is characteristic of which plants? A. “algal plants” B. “bryophytes” C. Euphyllophytes D. Lycophytes E. Monilophytes

B. “bryophytes”

The movement of water in the xylem of Vascular Plants: A. occurs through tracheid cells that are dead at maturity B. is passive (does not require expenditure of energy by the plant) C. is unidirectional (upward from roots to the aerial parts of the plant) D. follows a gradient of negative pressure potential (pulled by tension from top) E. all of the above

E. all of the above

The movement of phloem sap in the phloem of Vascular Plants: A. occurs through sieve-tube elements that are alive at maturity B. is active (it requires expenditure of energy by the plant) C. is bidirectional (it moves from source to sink tissues) D. follows a gradient of positive pressure potential (pushed from source to sink) E. all of the above

E. all of the above

The overtopping growth form facilitated the evolution of which structure: A. the microphyllous leaf B. the pollen grain C. the megaphyllous leaf D. the microstrobilus E. the megastrobilus

C. the megaphyllous leaf

The microgametophyte of Seed Plants is called: A. the microstrobilus B. the microsporocyte C. the pollen grain D. the microspore E. the anther

C. the pollen grain

Which of the following are thought to be adaptations associated with the evolution of secondary growth in Seed Plants: A. allows plants to grow taller to better compete for sunlight B. allows plants to increase the number of apical sporangia C. allows plants to rejuvenate vascular tissues (xylem and phloem) D. answers A and C E. all of the above

D. answers A and C

Which of the following are thought to be adaptations associated with the evolution of pollen in Seed Plants: A. transfer of sperm without need for water B. increase dispersal of spores C. increase genetic diversity via outcrossing D. answers A and C E. all of the above

D. answers A and C

Which of the following are thought to be adaptations associated with the evolution of the seed in Seed Plants: A. better protect the sporophyte embryo B. facilitate dispersal of the sporophyte embryo C. allows development of embryo to pause until conditions for germination are favorable D. answers A and C E. all of the above

E. all of the above

Innovations of Seed Plants include: A. seeds B. pollen C. primary growth via apical meristems D. (A) and (B) E. (A), (B), and (C)

D. (A) and (B)

The wood of Seed Plants consists of: A. primary xylem B. secondary xylem C. vascular cambium D. secondary phloem E. all of the above

B. secondary xylem

The bark of Seed Plants consists of: A. primary xylem B. secondary xylem C. vascular cambium D. secondary phloem E. all of the above

D. secondary phloem

The vascular cambium of Seed Plants gives rise to: A. primary xylem B. secondary xylem C. primary phloem D. secondary phloem E. both (B) and (D)

E. both (B) and (D)

The vascular cambium of Lycophytes gives rise to: A. primary xylem B. secondary xylem C. primary phloem D. secondary phloem E. both (B) and (D)

A. primary xylem