Question 1

Chlamydomonas is unicellular and photosynthetic.Chlamydomonas is which of the following?

Accepted Answer

A)   a slime mold
B)   an apicomplexan
C)   an amoeba
D)   a water mold
E)   a green algaF) A) and D)
G) A) and E)

Question 2

Fungi and plants are similar because they both

Accepted Answer

A)   carry out photosynthesis.
B)   have cellulose as the main component of their cell walls.
C)   have glycogen as the main storage carbohydrate.
D)   have cell walls.
E)   All answers are correct.F) A) and B)
G) None of the above

Question 3

Prokaryotes lack which feature?

Accepted Answer

A)   a nucleus
B)   RNA
C)   DNA
D)   a cell membrane
E)   a cell wallF) C) and D)
G) B) and C)

Question 4

What did Stanley Miller's simulation of Earth's early conditions produce?

Accepted Answer

A)   living cells
B)   amino acids
C)   plants
D)   DNA molecules
E)   RNA moleculesF) D) and E)
G) A) and B)

Question 5

Multicellular organisms generally consist of a large number of identical cells.

Accepted Answer

A) True 
 B)False

Question 6

When testing a sample of cells for preferred growing conditions,you find that they are obligate for growth in high concentrations of salt.These are probably bacteria.

Accepted Answer

A) True 
 B)False

Question 7

Cytoplasmic extensions by which some protozoa move are

Accepted Answer

A)   cilia.
B)   flagella.
C)   pseudopodia.
D)   pili.
E)   All answers are correct.F) All of the above
G) A) and E)

Question 8

Because archaea were first found in environments that lacked oxygen or were very hot,acidic,or salty,they were nicknamed "extremophiles."

Accepted Answer

A) True 
 B)False

Question 9

The fusion of two haploid hyphae whereby the nuclei remain separate in the cell creates a(n) ________ cell.

Accepted Answer

A)   dikaryotic
B)   haploid
C)   tetraploid
D)   diploid
E)   uniploidF) All of the above
G) B) and E)

Question 10

The Irish potato famine in the mid-1840s was caused by which heterotrophic protist decomposer that secreted digestive enzymes onto potatoes?

Accepted Answer

A)   a water mold
B)   a red alga
C)   a dinoflagellate
D)   a protozoan
E)   a fungusF) A) and D)
G) B) and E)

Question 11

After a haploid spore germinates,it then completes mitosis,forming hyphae.The resulting hyphae are

Accepted Answer

A)   diploid.
B)   dikaryotic.
C)   zygotes.
D)   gametes.
E)   haploid.F) A) and B)
G) D) and E)

Question 12

The complex polysaccharide component of cell walls of bacteria is

Accepted Answer

A)   peptidoglycan.
B)   glucose.
C)   chitin.
D)   cellulose.
E)   All answers are correct.F) B) and D)
G) C) and D)

Question 13

If you were taken to the beach and asked to stand near a sample of the largest kind of algae,you would search for a piece of

Accepted Answer

A)   kelp.
B)   diatoms.
C)   red algae.
D)   golden algae.
E)   green algae.F) A) and B)
G) C) and D)

Question 14

Which of the following is not a characteristic of lichen?

Accepted Answer

A)   It is a partnership between fungus and a photosynthetic partner.
B)   The fungi in the relationship can be an ascomycete.
C)   The fungi in the relationship can be a basidiomycete.
D)   The photosynthetic partner can be a green algae or cynanobacteria.
E)   The photosynthetic partner can be a protist.F) B) and C)
G) A) and E)

Question 15

Scientists have fossils of the first life on Earth.

Accepted Answer

A) True 
 B)False

Question 16

Diatoms and brown algae contain yellowish photosynthetic pigments.

Accepted Answer

A) True 
 B)False

Question 17

Protein was the first molecule carrying genetic information.

Accepted Answer

A) True 
 B)False

Question 18

DNA that is circular and apart from the chromosome in a prokaryote is a(n)

Accepted Answer

A)   ribosome.
B)   endospore.
C)   nucleus.
D)   nucleoid.
E)   plasmid.F) C) and D)
G) A) and B)

Question 19

Fungi that live between the cells of plant tissue without causing disease is called

Accepted Answer

A)   endophytes.
B)   basidiomycota.
C)   ascomycota.
D)   mycorrhizae.
E)   chytridiomycota.F) B) and D)
G) B) and C)

Question 20

What was likely the first informational molecule of life?

Accepted Answer

A)   carbohydrates
B)   lipids
C)   proteins
D)   RNA
E)   DNAF) A) and C)
G) A) and B)

Exam 15: Evolution and Diversity of Microbial Life

Multicellular organisms generally consist of a large number of identical cells.

Correct AnswerverifiedShow Answer

The fusion of two haploid hyphae whereby the nuclei remain separate in the cell creates a(n) ________ cell.

Correct AnswerverifiedShow Answer

When testing a sample of cells for preferred growing conditions,you find that they are obligate for growth in high concentrations of salt.These are probably bacteria.

Correct AnswerverifiedShow Answer

Cytoplasmic extensions by which some protozoa move are

Correct AnswerverifiedShow Answer

If you were taken to the beach and asked to stand near a sample of the largest kind of algae,you would search for a piece of

Correct AnswerverifiedShow Answer

The Irish potato famine in the mid-1840s was caused by which heterotrophic protist decomposer that secreted digestive enzymes onto potatoes?

Correct AnswerverifiedShow Answer

The complex polysaccharide component of cell walls of bacteria is

Correct AnswerverifiedShow Answer

Fungi and plants are similar because they both

Correct AnswerverifiedShow Answer

Scientists have fossils of the first life on Earth.

Correct AnswerverifiedShow Answer

Fungi that live between the cells of plant tissue without causing disease is called

Correct AnswerverifiedShow Answer

After a haploid spore germinates,it then completes mitosis,forming hyphae.The resulting hyphae are

Correct AnswerverifiedShow Answer

Diatoms and brown algae contain yellowish photosynthetic pigments.

Correct AnswerverifiedShow Answer

DNA that is circular and apart from the chromosome in a prokaryote is a(n)

Correct AnswerverifiedShow Answer

Protein was the first molecule carrying genetic information.

Correct AnswerverifiedShow Answer

Which of the following is not a characteristic of lichen?

Correct AnswerverifiedShow Answer

What did Stanley Miller's simulation of Earth's early conditions produce?

Correct AnswerverifiedShow Answer

Because archaea were first found in environments that lacked oxygen or were very hot,acidic,or salty,they were nicknamed "extremophiles."

Correct AnswerverifiedShow Answer

Prokaryotes lack which feature?

Correct AnswerverifiedShow Answer

What was likely the first informational molecule of life?

Correct AnswerverifiedShow Answer

Chlamydomonas is unicellular and photosynthetic.Chlamydomonas is which of the following?

Correct AnswerverifiedShow Answer

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