BIOB TEST 1

Which group of organisms is responsible for oxygenating the planet?

 

Staphylococci

 

Archaea

 

Proteobacteria

 

Cyanobacteria

cyanobacteria

Candidate Phylum Radiation can be found in:

 

Your mouth

 

Hot springs

 

Ground water

 

All of the options

 

None of the options

all of these

The information storage  molecule of the SARS-CoV-2 coronavirus is:

 

Protein

 

Carbohydrates

 

RNA

 

DNA

RNA

True or False: All Archaea are extremophiles.

 

True

 

False

False

True or False: Most bacteria are human pathogens

 

True

 

False

False

Choose the words that best complete this statement:

About 1.8 billion years ago, an endosymbiotic event between ___________ and ____________ led to ________________.

 

Eukaryotes; Alphaproteobacteria; Archaea

 

Cyanobacteria; Alphaproteobacteria; Archaea

 

Alphaproteobacteria; Archaea; Eukaryotes

 

Eukaryotes; Archaea; Cyanobacteria

 

Cyanobacteria; Eukaryotes; photosynthetic Eukaryotes

Alphaproteobacteria; Archaea; Eukaryotes

A shared, derived trait is called a:

 

Convergent trait

 

Paraphyletic trait

 

Polyphyletic trait

 

Synapomorphy

Synamorphy

The Earth is hypothesized to have been a lot colder than today about 650 million years ago. This period is referred to as:

 

The Big Chill

 

Snowball Earth

 

Icebox Earth

 

Tundra Earth

Snowball earth

The Burgess Shales are important because they:

 

Captured the Great Oxygenation Event

 

Contain fossil of the first primates

 

Contain diverse fossils of many multicellular organisms during the Cambrian Explosion

 

Contain fossils of the first insects

 

Are a rich source of oil and gas

Contain diverse fossils of many multicellular organisms during the Cambrian Explosion

Which group of of organisms was primarily responsible for the oxygenation of our planet?

 

Plants

 

Fungi

 

Cyanobacteria

 

Animals

 

Protists

Cyanobacteria

Which of the following statements about viruses is correct?

All viruses store their genetic information as DNA

Viruses greatly outnumber cellular organisms

 

All of the options 

None of the options

Viruses greatly outnumber cellular organisms

A complete infectious viral particle is called a:

 

Virion

 

Capsid

 

Nucleocapsid

 

Envelope

Virion

True or false: Viruses evolved multiple times during the history of life on Earth.

true

The term used for the independent evolution of similar traits is: 

convergant evolution