Question 1

Which algae are the most probable ancestors of land plants?

Accepted Answer

A) charophytes 
B) chlorophytes 
C) chrysophytes 
D) gametophytes 
E) embryophytes 
A) charophytes 
B) chlorophytes 
C) chrysophytes 
D) gametophytes 
E) embryophytes

Question 2

Four of the five answers correctly describe trends in plant evolution. Select the exception.

Accepted Answer

A) nonvascular to vascular 
B) sporophyte dominant to gametophyte dominant 
C) released spores to specialized gametes 
D) seedless to seeds 
E) haploid to diploid dominance 
A) nonvascular to vascular 
B) sporophyte dominant to gametophyte dominant 
C) released spores to specialized gametes 
D) seedless to seeds 
E) haploid to diploid dominance

Question 3

Like bryophytes, ferns have ____.

Accepted Answer

A) spores 
B) cuticle 
C) xylem 
D) sporophytes 
E) flagellated sperm 
A) spores 
B) cuticle 
C) xylem 
D) sporophytes 
E) flagellated sperm

Question 4

Four of the five answers below are correct statements about seedless vascular plants. Select the exception.

Accepted Answer

A) Sporophytes are independent of gametophytes. 
B) Water is not needed for gamete transport. 
C) Sporophytes have vascular tissue. 
D) Seeds are not produced. 
E) Living members still exist. 
A) Sporophytes are independent of gametophytes. 
B) Water is not needed for gamete transport. 
C) Sporophytes have vascular tissue. 
D) Seeds are not produced. 
E) Living members still exist.

Question 5

Match the term to the correct statement.
-flowering plants

Accepted Answer

A) have rhizoids, cuticle, and protected embryo sporophyte; no xylem 
B) produce fruit 
C) nonseed-bearing, heart-shaped gametophytes; spore-bearing leaves with sori 
D) Lycopodium; cone-bearing sporophyte; free-living gametophyte 
E) gymnosperm; only one species left
F)pine and redwood; mostly evergreen
G)confined to tropics or warm, temperate zones; resemble squat cone-bearing palm trees
H)flowering plant with two seed leaves
I)flowering plant with only one seed leaf 
A) have rhizoids, cuticle, and protected embryo sporophyte; no xylem 
B) produce fruit 
C) nonseed-bearing, heart-shaped gametophytes; spore-bearing leaves with sori 
D) Lycopodium; cone-bearing sporophyte; free-living gametophyte 
E) gymnosperm; only one species left
F)pine and redwood; mostly evergreen
G)confined to tropics or warm, temperate zones; resemble squat cone-bearing palm trees
H)flowering plant with two seed leaves
I)flowering plant with only one seed leaf

Question 6

Match the term to the correct statement.
-mosses, liverworts

Accepted Answer

A) have rhizoids, cuticle, and protected embryo sporophyte; no xylem 
B) produce fruit 
C) nonseed-bearing, heart-shaped gametophytes; spore-bearing leaves with sori 
D) Lycopodium; cone-bearing sporophyte; free-living gametophyte 
E) gymnosperm; only one species left
F)pine and redwood; mostly evergreen
G)confined to tropics or warm, temperate zones; resemble squat cone-bearing palm trees
H)flowering plant with two seed leaves
I)flowering plant with only one seed leaf 
A) have rhizoids, cuticle, and protected embryo sporophyte; no xylem 
B) produce fruit 
C) nonseed-bearing, heart-shaped gametophytes; spore-bearing leaves with sori 
D) Lycopodium; cone-bearing sporophyte; free-living gametophyte 
E) gymnosperm; only one species left
F)pine and redwood; mostly evergreen
G)confined to tropics or warm, temperate zones; resemble squat cone-bearing palm trees
H)flowering plant with two seed leaves
I)flowering plant with only one seed leaf

Question 7

What is a key adaptation that enables plants to survive on land?

Accepted Answer

A) lignin that stiffens cell walls 
B) cellulose that strengthens cell walls 
C) xylem that distributes sugar 
D) alternation of generations 
E) the use of water during fertilization 
A) lignin that stiffens cell walls 
B) cellulose that strengthens cell walls 
C) xylem that distributes sugar 
D) alternation of generations 
E) the use of water during fertilization

Question 8

Match the term to the correct statement.
-monocot

Accepted Answer

A) have rhizoids, cuticle, and protected embryo sporophyte; no xylem 
B) produce fruit 
C) nonseed-bearing, heart-shaped gametophytes; spore-bearing leaves with sori 
D) Lycopodium; cone-bearing sporophyte; free-living gametophyte 
E) gymnosperm; only one species left
F)pine and redwood; mostly evergreen
G)confined to tropics or warm, temperate zones; resemble squat cone-bearing palm trees
H)flowering plant with two seed leaves
I)flowering plant with only one seed leaf 
A) have rhizoids, cuticle, and protected embryo sporophyte; no xylem 
B) produce fruit 
C) nonseed-bearing, heart-shaped gametophytes; spore-bearing leaves with sori 
D) Lycopodium; cone-bearing sporophyte; free-living gametophyte 
E) gymnosperm; only one species left
F)pine and redwood; mostly evergreen
G)confined to tropics or warm, temperate zones; resemble squat cone-bearing palm trees
H)flowering plant with two seed leaves
I)flowering plant with only one seed leaf

Question 9

The ____ reproduce asexually using gemmae.

Accepted Answer

A) peat mosses 
B) hornworts 
C) bryophytes 
D) liverworts 
E) spike mosses 
A) peat mosses 
B) hornworts 
C) bryophytes 
D) liverworts 
E) spike mosses

Question 10

Megaspores develop in the ____.

Accepted Answer

A) gametophyte 
B) ovary 
C) ovule 
D) pollen grain 
E) zygote 
A) gametophyte 
B) ovary 
C) ovule 
D) pollen grain 
E) zygote

Question 11

The first organisms that did not require water for reproduction were the ____.

Accepted Answer

A) ferns 
B) lycophytes 
C) mosses 
D) flowering plants 
E) gymnosperms 
A) ferns 
B) lycophytes 
C) mosses 
D) flowering plants 
E) gymnosperms

Question 12

Match the term to the correct statement.
-ginkgos

Accepted Answer

A) have rhizoids, cuticle, and protected embryo sporophyte; no xylem 
B) produce fruit 
C) nonseed-bearing, heart-shaped gametophytes; spore-bearing leaves with sori 
D) Lycopodium; cone-bearing sporophyte; free-living gametophyte 
E) gymnosperm; only one species left
F)pine and redwood; mostly evergreen
G)confined to tropics or warm, temperate zones; resemble squat cone-bearing palm trees
H)flowering plant with two seed leaves
I)flowering plant with only one seed leaf 
A) have rhizoids, cuticle, and protected embryo sporophyte; no xylem 
B) produce fruit 
C) nonseed-bearing, heart-shaped gametophytes; spore-bearing leaves with sori 
D) Lycopodium; cone-bearing sporophyte; free-living gametophyte 
E) gymnosperm; only one species left
F)pine and redwood; mostly evergreen
G)confined to tropics or warm, temperate zones; resemble squat cone-bearing palm trees
H)flowering plant with two seed leaves
I)flowering plant with only one seed leaf

Question 13

In complex land plants, the diploid stage is resistant to adverse environmental conditions, such as dwindling water supplies and cold weather. The diploid stage progresses through which sequence?

Accepted Answer

A) gametophyte → male and female gametes 
B) spores → sporophyte 
C) zygote → sporophyte 
D) zygote → gametophyte 
E) spores → gametophyte 
A) gametophyte → male and female gametes 
B) spores → sporophyte 
C) zygote → sporophyte 
D) zygote → gametophyte 
E) spores → gametophyte

Question 14

In angiosperms, meiosis of cells in the ovule gives rise to haploid megaspores. What happens next?

Accepted Answer

A) Mitosis gives rise to a seed. 
B) Mitosis gives rise to a haploid egg and a cell with two nuclei. 
C) Mitosis gives rise to a sporophyte. 
D) Meiosis gives rise to a diploid egg and a cell with two nuclei. 
E) Meiosis gives rise to a more megaspores. 
A) Mitosis gives rise to a seed. 
B) Mitosis gives rise to a haploid egg and a cell with two nuclei. 
C) Mitosis gives rise to a sporophyte. 
D) Meiosis gives rise to a diploid egg and a cell with two nuclei. 
E) Meiosis gives rise to a more megaspores.

Question 15

Dependence on animals for fertilization and dispersal is characteristic of many species of ____.

Accepted Answer

A) ferns 
B) angiosperms 
C) mosses 
D) conifers 
E) cycads 
A) ferns 
B) angiosperms 
C) mosses 
D) conifers 
E) cycads

Exam 21: Plant Evolution

Which algae are the most probable ancestors of land plants?

Four of the five answers correctly describe trends in plant evolution. Select the exception.

Like bryophytes, ferns have ____.

Four of the five answers below are correct statements about seedless vascular plants. Select the exception.

Match the term to the correct statement. -flowering plants

Match the term to the correct statement. -mosses, liverworts

What is a key adaptation that enables plants to survive on land?

Match the term to the correct statement. -monocot

The ____ reproduce asexually using gemmae.

Megaspores develop in the ____.

The first organisms that did not require water for reproduction were the ____.

Match the term to the correct statement. -ginkgos

In complex land plants, the diploid stage is resistant to adverse environmental conditions, such as dwindling water supplies and cold weather. The diploid stage progresses through which sequence?

In angiosperms, meiosis of cells in the ovule gives rise to haploid megaspores. What happens next?

Dependence on animals for fertilization and dispersal is characteristic of many species of ____.

The Science of Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure

Ground Rules of Metabolism

Where It Starts-Photosynthesis

Releasing Chemical Energy

DNA Structure and Function

From DNA to Protein

Control of Gene Expression

How Cells Reproduce

Meiosis and Sexual Reproduction

Patterns in Inherited Traits

Human Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Lifes Origin and Early Evolution

Viruses, Bacteria, and Archaea

The Protists

Fungi

Animals I: Major Invertebrate Groups

Animals Ii: the Chordates

Plant Tissues

Plant Nutrition and Transport

Plant Reproduction and Development

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Structural Support and Movement

Circulation

Immunity

Respiration

Digestion and Human Nutrition

Maintaining the Internal Environment

Reproduction and Development

Animal Behavior

Population Ecology

Community Ecology

Ecosystems

The Biosphere

Human Effects on the Biosphere

Filters