Question 1

The parts of the plant that conduct water and dissolved minerals from the roots to the leaves are the

Accepted Answer

A) xylem. 
B) stomata. 
C) roots. 
D) phloem. 
E) cuticlE. 
A) xylem. 
B) stomata. 
C) roots. 
D) phloem. 
E) cuticlE.

Question 2

In flowering plants,the gametophyte is ______ the sporophyte.

Accepted Answer

A) larger than 
B) the same size as 
C) located on a separate plant from 
D) much smaller than 
E) absent and the entire plant is composed of 
A) larger than 
B) the same size as 
C) located on a separate plant from 
D) much smaller than 
E) absent and the entire plant is composed of

Question 3

In alternation of generations,a haploid gametophyte goes through mitosis to form a ____ gamete.

Accepted Answer

A) haploid 
B) diploid 
C) tetraploid 
D) uniploid 
E) No gametes are formed - this occurs in meiosis,not mitosis 
A) haploid 
B) diploid 
C) tetraploid 
D) uniploid 
E) No gametes are formed - this occurs in meiosis,not mitosis

Question 4

The substance that strengthens and supports cell walls,allowing plants to grow tall and upright is

Accepted Answer

A) sporophyte. 
B) gametophyte. 
C) chlorophyll. 
D) stomata. 
E) lignin. 
A) sporophyte. 
B) gametophyte. 
C) chlorophyll. 
D) stomata. 
E) lignin.

Question 5

In the section "Investigating Life: Genetic Messages from Ancient Ecosystems",what was the advantage of looking for DNA samples in permafrost?

Accepted Answer

A) Most plants and animals evolved in SiberiA. 
B) It is easier to take solid core samples. 
C) The enzymes that make DNA are still active in the cells. 
D) The freezing temperatures preserve the DNA. 
E) Areas with permafrost are older than other parts of the world,allowing scientists to collect samples back 1.5 to 2 million years. 
A) Most plants and animals evolved in SiberiA. 
B) It is easier to take solid core samples. 
C) The enzymes that make DNA are still active in the cells. 
D) The freezing temperatures preserve the DNA. 
E) Areas with permafrost are older than other parts of the world,allowing scientists to collect samples back 1.5 to 2 million years.

Question 6

In plants,

Accepted Answer

A) the diploid zygote develops into the sporophyte. 
B) the haploid zygote develops into the sporophyte. 
C) the haploid gametophyte develops into the sporophyte. 
D) the diploid zygote develops into the gametophyte. 
E) the haploid gametophyte produces gametes by meiosis. 
A) the diploid zygote develops into the sporophyte. 
B) the haploid zygote develops into the sporophyte. 
C) the haploid gametophyte develops into the sporophyte. 
D) the diploid zygote develops into the gametophyte. 
E) the haploid gametophyte produces gametes by meiosis.

Question 7

In the section "Investigating Life: Genetic Messages from Ancient Ecosystems",the decrease of herbs (grasses)and increase in mosses suggest that the climate in Siberia has become __________ in the past 10,000 years.

Accepted Answer

A) dryer 
B) hotter 
C) colder 
D) wetter 
E) saltier 
A) dryer 
B) hotter 
C) colder 
D) wetter 
E) saltier

Question 8

In alternation of generations,two haploid gametes fuse in fertilization to form a ____ zygote.

Accepted Answer

A) haploid 
B) diploid 
C) tetraploid 
D) No zygote is formed (Spores are formed instead). 
E) uniploid 
A) haploid 
B) diploid 
C) tetraploid 
D) No zygote is formed (Spores are formed instead). 
E) uniploid

Question 9

What advantage do gymnosperms have over ferns?

Accepted Answer

A) Gymnosperms produce pollen and do not require water to reproduce. 
B) Gymnosperms have alternation of generations. 
C) Gymnosperms have a vascular system,which allows them to grow taller. 
D) Gymnosperms can grow larger gametophytes. 
E) Gymnosperms can produce flowers and fruits to aid in seed dispersal. 
A) Gymnosperms produce pollen and do not require water to reproduce. 
B) Gymnosperms have alternation of generations. 
C) Gymnosperms have a vascular system,which allows them to grow taller. 
D) Gymnosperms can grow larger gametophytes. 
E) Gymnosperms can produce flowers and fruits to aid in seed dispersal.

Question 10

Many fern gametophytes are hermaphrodites,meaning they can produce both sperm and egg.Why is this necessary for a fern,but not for an angiosperm?

Accepted Answer

A) If one seed colonizes a new habitat,reproduction can occur in later stages. 
B) The gametophyte can produce multiple types of spores. 
C) The gametophyte can produce multiple types of seeds. 
D) If one spore colonizes a new habitat,reproduction can occur in later stages. 
E) Angiosperm gametes are diploid. 
A) If one seed colonizes a new habitat,reproduction can occur in later stages. 
B) The gametophyte can produce multiple types of spores. 
C) The gametophyte can produce multiple types of seeds. 
D) If one spore colonizes a new habitat,reproduction can occur in later stages. 
E) Angiosperm gametes are diploid.

Question 11

In the section "Investigating Life: Genetic Messages from Ancient Ecosystems",which of the three plants in the figure requires water to allow sperm to swim to the egg?

Accepted Answer

A) herbs (grasses) 
B) mosses 
C) shrubs 
A) herbs (grasses) 
B) mosses 
C) shrubs

Question 12

What is the purpose of flowers?

Accepted Answer

A) to attract pollinators 
B) to support gamete production 
C) to capture wind-blown pollen 
D) to protect reproductive structures 
E) All answers are correct. 
A) to attract pollinators 
B) to support gamete production 
C) to capture wind-blown pollen 
D) to protect reproductive structures 
E) All answers are correct.

Question 13

What is the advantage of producing a seed over a spore?

Accepted Answer

A) Seeds are diploid,and can grow directly into a sporophyte. 
B) Seeds are haploid,and can grow directly into a sporophyte. 
C) Seeds are diploid,and can grow directly into a gametophyte. 
D) Seeds are haploid,and can grow directly into a gametophyte. 
E) Producing seeds over spores is a disadvantagE. 
A) Seeds are diploid,and can grow directly into a sporophyte. 
B) Seeds are haploid,and can grow directly into a sporophyte. 
C) Seeds are diploid,and can grow directly into a gametophyte. 
D) Seeds are haploid,and can grow directly into a gametophyte. 
E) Producing seeds over spores is a disadvantagE.

Question 14

Seedless vascular plants can ______ without water,but cannot ______ without water.

Accepted Answer

A) reproduce asexually;reproduce sexually 
B) reproduce sexually;reproduce asexually 
C) grow;reproduce 
D) utilize phloem;utilize xylem 
E) utilize xylem;utilize phloem 
A) reproduce asexually;reproduce sexually 
B) reproduce sexually;reproduce asexually 
C) grow;reproduce 
D) utilize phloem;utilize xylem 
E) utilize xylem;utilize phloem

Question 15

The purpose of fruit is to provide nourishment for the growing plant after the seed germinates.

Accepted Answer

A) True 
 B)False

Question 16

Mosses are an example of which of the following?

Accepted Answer

A) autotrophs 
B) primary consumers 
C) detritovores 
D) decomposers 
E) heterotrophs 
A) autotrophs 
B) primary consumers 
C) detritovores 
D) decomposers 
E) heterotrophs

Question 17

Which group of plants lack true leaves and roots?

Accepted Answer

A) liverworts,hornworts,and mosses 
B) ferns,club mosses,horsetails,and whisk ferns 
C) ginkgo,cycads,conifers,and gnetophytes 
D) monocots and eudicots 
E) All plants lack true leaves and roots. 
A) liverworts,hornworts,and mosses 
B) ferns,club mosses,horsetails,and whisk ferns 
C) ginkgo,cycads,conifers,and gnetophytes 
D) monocots and eudicots 
E) All plants lack true leaves and roots.

Question 18

In dry weather,plants reduce water loss by closing their

Accepted Answer

A) stomatA. 
B) cuticle. 
C) cell membranes. 
D) vascular tissues. 
E) All answers are correct. 
A) stomatA. 
B) cuticle. 
C) cell membranes. 
D) vascular tissues. 
E) All answers are correct.

Question 19

Gymnosperms and angiosperms evolved ______ allowing them to live and reproduce in drier habitats than bryophytes and seedless vascular plants.

Accepted Answer

A) spores 
B) seeds,spores,and fronds 
C) vascular tissue,spores,and fronds 
D) pollen grains and seeds 
E) fruit and flowers 
A) spores 
B) seeds,spores,and fronds 
C) vascular tissue,spores,and fronds 
D) pollen grains and seeds 
E) fruit and flowers

Question 20

Plants and algae most recently shared a common ancestor 480 million years ago,and plants colonized land shortly after that.Light,water,minerals,and dissolved gases surround the whole body of a submerged green alga,and the buoyancy of water provides physical support.What part did plants evolve to absorb gases without drying out on dry land?

Accepted Answer

A) pollen 
B) stomata 
C) vascular tissues 
D) cuticle 
E) lignin 
A) pollen 
B) stomata 
C) vascular tissues 
D) cuticle 
E) lignin

Exam 16: Evolution and Diversity of Plants

The parts of the plant that conduct water and dissolved minerals from the roots to the leaves are the

In flowering plants,the gametophyte is ______ the sporophyte.

In alternation of generations,a haploid gametophyte goes through mitosis to form a ____ gamete.

The substance that strengthens and supports cell walls,allowing plants to grow tall and upright is

In the section "Investigating Life: Genetic Messages from Ancient Ecosystems",what was the advantage of looking for DNA samples in permafrost?

In plants,

In the section "Investigating Life: Genetic Messages from Ancient Ecosystems",the decrease of herbs (grasses)and increase in mosses suggest that the climate in Siberia has become __________ in the past 10,000 years.

In alternation of generations,two haploid gametes fuse in fertilization to form a ____ zygote.

What advantage do gymnosperms have over ferns?

Many fern gametophytes are hermaphrodites,meaning they can produce both sperm and egg.Why is this necessary for a fern,but not for an angiosperm?

In the section "Investigating Life: Genetic Messages from Ancient Ecosystems",which of the three plants in the figure requires water to allow sperm to swim to the egg?

What is the purpose of flowers?

What is the advantage of producing a seed over a spore?

Seedless vascular plants can ______ without water,but cannot ______ without water.

The purpose of fruit is to provide nourishment for the growing plant after the seed germinates.

Mosses are an example of which of the following?

Which group of plants lack true leaves and roots?

In dry weather,plants reduce water loss by closing their

Gymnosperms and angiosperms evolved ______ allowing them to live and reproduce in drier habitats than bryophytes and seedless vascular plants.

Scientific Study of Life

The Chemistry of Life

Cells

The Energy of Life

Photosynthesis

How Cells Release Energy

DNA Structure and Gene Function

DNA Replication and Cell Division

Sexual Reproduction and Meiosis

Patterns of Inheritance

DNA Technology

Forces of Evolutionary Change

Evidence of Evolution

Speciation and Extinction

Evolution and Diversity of Microbial Life

Evolution and Diversity of Animals

Population Ecology

Communities and Ecosystems

Preserving Biodiversity

Plant Form and Function

Reproduction and Development of Flowering Plants

Animal Tissues and Organ Systems

Nervous System and the Senses

The Endocrine System

The Skeletal and Muscular Systems

The Circulatory and Respiratory Systems

Regulating Temperature, nutrients, and Body Fluids

The Immune System

Animal Reproduction and Development

Filters

Seedless vascular plants can without water,but cannot without water.