Question 1

Which one of the following statements about origin of land plants is false?

Accepted Answer

A) Chlorophyta and Streptophyta are sister clades within the kingdom Virdiplantae. 
B) Horizontal gene transfer (HGT)occurred several times in the evolution of the land plants. 
C) The Streptophyta group Charales is a sister clade to the land plants. 
D) Land plants are now considered a subgroup within the Chlorophyta. 
E) Moss mitochondrial genes are present in the ancient flowering plant Amborella. 
A) Chlorophyta and Streptophyta are sister clades within the kingdom Virdiplantae. 
B) Horizontal gene transfer (HGT)occurred several times in the evolution of the land plants. 
C) The Streptophyta group Charales is a sister clade to the land plants. 
D) Land plants are now considered a subgroup within the Chlorophyta. 
E) Moss mitochondrial genes are present in the ancient flowering plant Amborella.

Question 2

The phenomenon that probably gave rise to the organelles in eukaryotes is

Accepted Answer

A) recombination. 
B) mutation. 
C) syngamy. 
D) endosymbiosis. 
E) multicellularity. 
A) recombination. 
B) mutation. 
C) syngamy. 
D) endosymbiosis. 
E) multicellularity.

Question 3

The group that probably gave rise to chloroplasts is the

Accepted Answer

A) cyanobacteriA. 
B) green photosynthetic bacteria. 
C) purple sulfur bacteria. 
D) non-sulfur purple bacteria. 
E) methane bacteria. 
A) cyanobacteriA. 
B) green photosynthetic bacteria. 
C) purple sulfur bacteria. 
D) non-sulfur purple bacteria. 
E) methane bacteria.

Question 4

Of the following,the correct order from largest,most inclusive group to smallest,most specific group,is

Accepted Answer

A) species,genus,family,class,order. 
B) species,family,genus,class,order. 
C) class,genus,order,family,species. 
D) class,order,family,genus,species. 
E) class,family,order,genus,species. 
A) species,genus,family,class,order. 
B) species,family,genus,class,order. 
C) class,genus,order,family,species. 
D) class,order,family,genus,species. 
E) class,family,order,genus,species.

Question 5

The binomial system of classification of organisms was developed by

Accepted Answer

A) Darwin. 
B) Linnaeus. 
C) Wallace. 
D) Griffith. 
E) Schleidin. 
A) Darwin. 
B) Linnaeus. 
C) Wallace. 
D) Griffith. 
E) Schleidin.

Question 6

The oldest fossils of eukaryotes have been estimated to be

Accepted Answer

A) 6000 years old. 
B) 8 billion years old. 
C) 4.5 billion years old. 
D) 2.5 billion years olD. 
E) 1995 years old. 
A) 6000 years old. 
B) 8 billion years old. 
C) 4.5 billion years old. 
D) 2.5 billion years olD. 
E) 1995 years old.

Question 7

One of the theories about the origin of life is panspermia.Panspermia proposes that

Accepted Answer

A) extraterrestrials from extreme distances from Earth seeded the developing planet with primitive life forms,which eventually evolved into what we know today. 
B) meteors and/or cosmic dust clouds carried various primitive life forms to the Earth,which eventually evolved into what we know today. 
C) meteors and/or cosmic dust clouds carried various complex organic molecules to the Earth,which eventually evolved into what we know today. 
D) extraterrestrials from extreme distances from Earth seeded the developing planet with complex organic molecules,which eventually evolved into what we know today. 
E) spontaneous generation of life followed either an extraterrestrial visit or a meteor deposition of inorganic molecules. 
A) extraterrestrials from extreme distances from Earth seeded the developing planet with primitive life forms,which eventually evolved into what we know today. 
B) meteors and/or cosmic dust clouds carried various primitive life forms to the Earth,which eventually evolved into what we know today. 
C) meteors and/or cosmic dust clouds carried various complex organic molecules to the Earth,which eventually evolved into what we know today. 
D) extraterrestrials from extreme distances from Earth seeded the developing planet with complex organic molecules,which eventually evolved into what we know today. 
E) spontaneous generation of life followed either an extraterrestrial visit or a meteor deposition of inorganic molecules.

Question 8

All of the following were produced in experiments on primitive Earth conditions conducted by Miller-Urey and others,except for

Accepted Answer

A) amino acids. 
B) adenine and other nucleotides. 
C) prokaryotes. 
D) hydrogen cyanide. 
E) urea. 
A) amino acids. 
B) adenine and other nucleotides. 
C) prokaryotes. 
D) hydrogen cyanide. 
E) urea.

Question 9

All living organisms share all of the following features in common except they

Accepted Answer

A) carry out metabolism. 
B) transfer energy with ATP. 
C) encode hereditary information in DNA. 
D) are composed of one or more cells. 
E) contain organelles. 
A) carry out metabolism. 
B) transfer energy with ATP. 
C) encode hereditary information in DNA. 
D) are composed of one or more cells. 
E) contain organelles.

Question 10

Most biologists now recognize and use a newer system for classification of all organisms that identify

Accepted Answer

A) two kingdoms. 
B) three kingdoms. 
C) four kingdoms. 
D) five kingdoms. 
E) six kingdoms. 
A) two kingdoms. 
B) three kingdoms. 
C) four kingdoms. 
D) five kingdoms. 
E) six kingdoms.

Question 11

The early Earth's reducing atmosphere probably contained all of the following except

Accepted Answer

A) carbon dioxide. 
B) water. 
C) oxygen. 
D) hydrogen sulfide. 
E) methanE. 
A) carbon dioxide. 
B) water. 
C) oxygen. 
D) hydrogen sulfide. 
E) methanE.

Question 12

If two organisms are in the same phylum and the same order,then they also belong to the same

Accepted Answer

A) class. 
B) family. 
C) genus. 
D) species. 
E) subspecies. 
A) class. 
B) family. 
C) genus. 
D) species. 
E) subspecies.

Question 13

Living organisms can be divided into _____ domains.

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 5 
A) 1 
B) 2 
C) 3 
D) 4 
E) 5

Question 14

The first living organisms that arose on earth are believed to have evolved according to a series of steps represented by the appearance of specific molecules.Of the molecules listed,which one would most likely have appeared fourth?

Accepted Answer

A) hydrogen cyanide 
B) ATP 
C) Ribozymes 
D) DNA 
E) amino acids 
A) hydrogen cyanide 
B) ATP 
C) Ribozymes 
D) DNA 
E) amino acids

Question 15

A kingdom not containing eukaryotes is

Accepted Answer

A) ProtistA. 
B) Archaebacteria. 
C) Fungi. 
D) Animalia. 
E) Plantae (virdiplantae). 
A) ProtistA. 
B) Archaebacteria. 
C) Fungi. 
D) Animalia. 
E) Plantae (virdiplantae).

Question 16

Which one of the following statements about protists is false?

Accepted Answer

A) Any eukaryote that is not a plant,fungus,or animal is classified as a protist. 
B) The green algae are more closely related to the plants. 
C) The choanoflagellates are more closely related to the fungi than to other protists. 
D) The kingdom Protista is probably paraphyletic. 
E) The new kingdom Virdiplantae contains a group previously included in the Protista. 
A) Any eukaryote that is not a plant,fungus,or animal is classified as a protist. 
B) The green algae are more closely related to the plants. 
C) The choanoflagellates are more closely related to the fungi than to other protists. 
D) The kingdom Protista is probably paraphyletic. 
E) The new kingdom Virdiplantae contains a group previously included in the Protista.

Question 17

The Swedish biologist,________,developed a simpler two-part (binomial)naming system for organisms.

Accepted Answer

The answer of The Swedish biologist,________,developed a simpler two-part (binomial)naming...

Question 18

Which of the following statements about viruses is not accurate?

Accepted Answer

A) Viruses are fragments of nucleic acids with associated proteins. 
B) Viruses can infect organisms at all taxonomic levels. 
C) Viruses can be placed in the Archaea Domain of life because of their similarities with these primitive organisms. 
D) Viruses cannot reproduce on their own. 
E) Viruses can invade cells and produce more copies of themselves. 
A) Viruses are fragments of nucleic acids with associated proteins. 
B) Viruses can infect organisms at all taxonomic levels. 
C) Viruses can be placed in the Archaea Domain of life because of their similarities with these primitive organisms. 
D) Viruses cannot reproduce on their own. 
E) Viruses can invade cells and produce more copies of themselves.

Question 19

Which of the following is generally not considered essential to explain the origin of life on Earth?

Accepted Answer

A) a reducing atmosphere 
B) sexual reproduction 
C) a suitable energy source 
D) organic building block compounds 
E) formation of a constraining lipid or protein boundary 
A) a reducing atmosphere 
B) sexual reproduction 
C) a suitable energy source 
D) organic building block compounds 
E) formation of a constraining lipid or protein boundary

Question 20

Which one of the following statements about the characteristics of eukaryotes is false?

Accepted Answer

A) The structure of the eukaryotic cell allows the physical separation of replication and transcription. 
B) Multicellularity in the eukaryotes has multiple origins. 
C) Not all eukaryotes are multicellular. 
D) Meiosis,fertilization,and crossing over are unique features of sexual reproduction. 
E) A cytoskeleton is a unique feature of eukaryotic cells. 
A) The structure of the eukaryotic cell allows the physical separation of replication and transcription. 
B) Multicellularity in the eukaryotes has multiple origins. 
C) Not all eukaryotes are multicellular. 
D) Meiosis,fertilization,and crossing over are unique features of sexual reproduction. 
E) A cytoskeleton is a unique feature of eukaryotic cells.

Exam 26: The Tree of Life

Which one of the following statements about origin of land plants is false?

The phenomenon that probably gave rise to the organelles in eukaryotes is

The group that probably gave rise to chloroplasts is the

Of the following,the correct order from largest,most inclusive group to smallest,most specific group,is

The binomial system of classification of organisms was developed by

The oldest fossils of eukaryotes have been estimated to be

One of the theories about the origin of life is panspermia.Panspermia proposes that

All of the following were produced in experiments on primitive Earth conditions conducted by Miller-Urey and others,except for

All living organisms share all of the following features in common except they

Most biologists now recognize and use a newer system for classification of all organisms that identify

The early Earth's reducing atmosphere probably contained all of the following except

If two organisms are in the same phylum and the same order,then they also belong to the same

Living organisms can be divided into _____ domains.

The first living organisms that arose on earth are believed to have evolved according to a series of steps represented by the appearance of specific molecules.Of the molecules listed,which one would most likely have appeared fourth?

A kingdom not containing eukaryotes is

Which one of the following statements about protists is false?

The Swedish biologist,________,developed a simpler two-part (binomial)naming system for organisms.

Which of the following statements about viruses is not accurate?

Which of the following is generally not considered essential to explain the origin of life on Earth?

Which one of the following statements about the characteristics of eukaryotes is false?

The Science of Biology

The Nature of Molecules

The Chemical Building Blocks of Life

Cell Structure

Membranes

Energy and Metabolism

How Cells Harvest Energy

Photosynthesis

Cell Communication

How Cells Divide

Sexual Reproduction and Meiosis

Patterns of Inheritance

Chromosomes Mapping and the Meiosis - Inheritance Connection

Dna: the Genetic Material

Genes and How They Work

Control of Gene Expression

Biotechnology

Genomics

Cellular Mechanisms of Development

Genes Within Populations

The Evidence for Evolution

The Origin of Species

Systematics and the Phylogenetic Revolution

Genome Evolution

Evolution of Development

Viruses

Prokaryotes

Protists

Overview of Green Plants

Fungi

Overview of Animal Diversity

Noncoelomate Invertebrates

Coelomate Invertebrates

Vertebrates

Plant Form

Vegetative Plant Development

Transport in Plants

Plant Nutrition and Soils

Plant Defense Responses

Sensory Systems in Plants

Plant Reproduction

The Animal Body and Principles of Regulation

The Nervous System

Sensory Systems

The Endocrine System

The Musculoskeletal System

The Digestive System

The Respiratory System

The Circulatory System

Osmotic Regulation and the Urinary System

The Immune System

The Reproductive System

Animal Development

Behavioral Biology

Population Ecology

Community of Ecology

Dynamics of Ecosystems

The Biosphere

Conservation Biology