Biology Exam 1 Study Guide (Ch. 29 & 30) Flashcards
What evidence do paleobotanists look for that indicates the movement of plants from water to land?
A) waxy cuticle to decrease evaporation from leaveh
B) loss of structures that produce spores
C) sporopollenin to inhibit evaporation from leaves
D) remnants of chloroplasts from photosynthesizing cells
A) waxy cuticle to decrease evaporation from leaveh
(Figure) The following question refers to the generalized life cycle for plants shown in the figure. Each number within a circle or square represents a specific plant or plant part, and each number over an arrow represents meiosis, mitosis, or fertilization.
In the figure, the process labeled “6” involves ________.
A) mitosis
B) meiosis
C) fertilization
D) binary fission
A) mitosis
Which of the following statements is correct regarding stomata?
A) They occur in all plants and define them as a monophyletic group.
B) They open to allow gas exchange and close to decrease water loss.
C) They occur in all plants and are the same as pores.
D) They open to increase both water absorption and gas exchange.
B) They open to allow gas exchange and close to decrease water loss.
Which of the following is a common feature among liverworts, hornworts, and mosses?
A) They are all wind pollinated.
B) They are heterosporous.
C) They are pollinated by animals.
D) They require standing water for reproduction.
D) They require standing water for reproduction.
Which of the following is a similarity between bryophytes and seedless vascular plants?
A) Plants in both groups have vascular tissue.
B) In both groups, sperm swim from antheridia to archegonia.
C) The dominant generation in both groups is the sporophyte.
D) Plants in both groups have true roots, stems, and leaves.
B) In both groups, sperm swim from antheridia to archegonia.
Which of the following structures is present in a bryophyte at some point in their life cycles?
A) microphylls
B) true roots
C) true leaves
D) sporangia
D) sporangia
Which of the following statements is correct regarding the structure of a fern?
A) the sporophyte generation is smaller in size than the gametophyte generation
B) sporangia are found on the gametophyte
C) ferns contain no vascular tissue
D) sporangia are found on the sporophylls
D) sporangia are found on the sporophylls
A biology student hiking in a forest discovers a 15-centimeter-tall plant that bears microphylls and a strobili at its tallest point. When disturbed, the cone emits a dense cloud of brownish dust. A pocket magnifying glass reveals the dust to be composed of tiny spheres with a high oil content. Which of the following chemicals are most likely to be detected in substantial amounts upon chemical analysis of these small spheres?
A) sporopollenin
B) phenolics
C) waxes
D) terpenes
A) sporopollenin
A sample of mosses and ferns comprises which of the following?
A) both sporophyte and gametophyte generations
B) only vascular plants
C) both nonvascular and seed-bearing plants
D) both seedless and seed-bearing plants
A) both sporophyte and gametophyte generations
Microphylls are found in which plant group?
A) lycophytes
B) liverworts
C) ferns
D) hornworts
A) lycophytes
Which of the following statements correctly describes the colonization of terrestrial habitat by plants?
It occurred in conjunction with fungi that helped provide them with nutrients from the soil.
In plants, which of the following is a benefit of retaining the zygote on the living gametophyte?
It allows it to be nourished by the parent plant
In which of the following structures of a plant are spiral meristems found?
In both roots and shoots
What plants are related to land plants the most?
Charophytes
What is the main source that plants supply?
Oxygen
What traits are present in almost all plants but NOT in charophytes?
Alternation of generation, walled spores produced in sporangia, and apical meristems
What is an embryo packaged with a supply of nutrients inside a protective coat?
Seed
Why are plants called Embryophytes
Because of the nurturing of the young embryo sporophyte during the early stages of its multicellular development within the tissues of the parent gametophyte
What refers to naked seed?
Gymnosperms
How are Bryophytes best described?
Most dominant use of gametophytes
Which is the most abundant plant type?
Seed plants
Gametophytes supplies what to the sporophyte?
Sugars, amino acids, and minerals
What multicellular diploid produces haploid spores by meiosis?
Sporophyte
What Bryophyte matches phylum Anthocerophyta?
Bryophytes
The ________ is a waxy covering of the epidermis that reduces water loss.
Cuticle
Which is NOT a benefit that the move to land provided plants?
More structural support
What are the multicellular organs that produce spores in sporophytes called?
Sporangia
Which is not a derived trait of plants?
Lack of roots
What group of plants are humans most dependent on?
Seed plants
A cuticle’s function is:
to help reduce water loss in plants