Chapter 29 & 30 – Flashcards

Which of the following is not evidence that charophytes are the closest algal relatives of plants? a. similar sperm structure b. the presence of chloroplasts c. similarities in cell wall formation during cell division d. genetic similarities in chloroplasts e. similarities in proteins that synthesize cellulose

Which of the following characteristics of plants is absent in their closest relatives, the charophyte algae? a. chlorophyll b b. cellulose in cell walls c. formation of a cell plate during cytokinesis d. sexual reproduction e. alternation of multicellular generations

In plants, which of the following are produced by meiosis? a. haploid sporophytes b. haploid gametes c. diploid gametes d. haploid spores e. diploid spores

Microphylls are found in which plant group? a. mosses b. liverworts c. lycophytes d. ferns e. hornworts

Which of the following is a land plant that has flagellated sperm and a sporophyte-dominated life cycle? a. fern b. moss c. liverwort d. charophyte e. hornwort

Identify each of the following structures as haploid or diploid. a. sporophyte b. spore c. gametophyte d. zygote e. sperm

Suppose an efficient conducting system evolved in a moss that could transport water and other materials as high as a tall tree. Which of the following statements about "trees" of such a species would not be true? a. Fertilization would probably be more difficult. b. Spore dispersal distances would probably increase. c. Females could produce only one archegonium. d. Unless its body parts were strengthened, such a "tree" would probably flop over. e. Individuals would probably compete more effectively for access to light.

Where in an angiosperm would you find a megasporangium? a. in the style of a flower b. inside the tip of a pollen tube c. enclosed in the stigma of a flower d. within an ovule contained within an ovary of a flower e. packed into pollen sacs within the anthers found on a stamen

A fruit is most commonly a. a mature ovary. b. a thickened style. c. an enlarged ovule. d. a modified root. e. a mature female gametophyte.

With respect to angiosperms, which of the following is incorrectly paired with its chromosome count? a. egg—n b. megaspore—2n c. microspore—n d. zygote—2n e. sperm—n

Which of the following is not a characteristic that distinguishes gymnosperms and angiosperms from other plants? a. alternation of generations b. ovules c. integuments d. pollen e. dependent gametophytes

Gymnosperms and angiosperms have the following in common except a. seeds. b. pollen. c. vascular tissue. d. ovaries. e. ovules.

Which of these traits does not characterize plants? a. cellulose cell walls b. autotrophic c. glycogen as a nutrient reserve d. chlorophylls a and b

During alternation of generations, a plant alternates between ______. a. gametophyte and sporophyte b. diploid and haploid c. gamete-producer and spore-producer d. all of these are correct

One of the main criteria used to differentiate between major plant groups is ________. a. color b. type of chlorophyll c. presence of vascular tissue to transport water d. flower type

Plants most likely evolved from what group? a. freshwater green algae called charophytes b. red and brown algae c. chrysophyta d. all of these

What trait(s) enabled plants to colonize dry land? a. lignins reinforcing cell walls b. vascular tissue c. waterproof cuticle and stomata d. all of these

The archegonium of a moss produces a(n) a. abundant supply of sperm cells b. flower c. egg d. spore

True or false. Most bryophyte reproduction occurs asexually.

What do bryophytes and ferns require for successful reproduction that other more complex plants do not? a. high summer temperatures b. a period of dormancy c. free water in which sperm can swim to eggs d. freezing temperatures to activate sperm cells

The bryophyte that has a thalloid life form and reproduces asexually by gemmae is the __________. a. moss b. liverwort c. hornwort d. all of these

How are the cells of hornworts different from the cells of other bryophytes? a. interlocking b. thick-walled c. one chloroplast per cell d. all of these

Peat moss is economically important because it is a significant __________. a. source of fertilizer b. renewable source of energy c. habitat for other organisms d. ecosystem

How do seedless vascular plants differ from bryophytes? a. well-developed cuticle b. vascular tissue c. different life cycke d. both a & b are correct

To which group would you assign a plant which produces spores, embryo but lacks seed and vasculature? a. algae b. fungi c. pteridophta d. bryophyta

Moss plant with capsule is an example of a. sporophyte completely dependent on gametophyte b. sporophyte partially dependent on gametophyte c. sometimes (a) and sometimes (b) d. none of the above

Which of the following is least likely to occur along the sea coast? a. brown algae b. mosses c. green algae d. red algae

Protonema is a. a fossil pteridophyte b. the juvenile phase of a moss gametophyte c. a part of the sporophyte of Funaria d. none of these

In the moss life cycle _____ cells within a sporangium undergo _____ to produce _____ spores. a. diploid...meiosis...haploid b. haploid...mitosis...haploid c. diploid...mitosis...diploid d. diploid...mitosis...haploid e. haploid...meisos...haploid