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Category > Biology Posted 27 May 2019 My Price 6.00

SCI 115 Week 8 Quiz

QUESTION 1

1.      ​What is the function of bacterial flagella?

a.

​assisting in protein synthesis

b.

​cell membrane construction

c.

​organization of the nuclear material

d.

​energy production

e.

​locomotion

4 points   

QUESTION 2

1.      ​____ allow bacteria to join together to transfer genes.

a.

​Cilia

b.

​Pili

c.

​Spores

d.

​Capsules

e.

​Flagella

4 points   

QUESTION 3

1.      ​____ may have been the ancestors of cellular life.

a.

​Lipid globules

b.

​Pseudocells

c.

​Protocells

d.

​Prokaryotic cells

e.

​Circular RNA

4 points   

QUESTION 4

1.      ​The ____ form of Plasmodium is transferred to  humans through the bite of an infected mosquito.

a.

​spore

b.

​cyst

c.

​merozoite

d.

​gametocyte

e.

​sporozoite

4 points   

QUESTION 5

1.      ​Protists that are part of a(n) _____ are integrated with other cells, but remain self-sufficient.

a.

​pathogenic life cycle

b.

​colonial organism

c.

​multicellular organism

d.

​contractile vacuole

e.

​algal bloom

4 points   

QUESTION 6

1.      Lichens are an important component in many ecosystems because they ____.​

a.

​are food for primary producers

b.

​form a mutualistic relationship with the roots of most plants

c.

​are primary producers

d.

​trap small predators with their hyphae

e.

​help form soil by breaking down rocks

4 points   

QUESTION 7

1.      The structure that consists of an embryo sporophyte and food to support it enclosed within a protective coat is referred to as a ____.​

a.

​zygote

b.

​spore

c.

​seed

d.

​fruit

e.

​gamete

4 points   

QUESTION 8

1.      Many tropical ferns live on other plants without withdrawing nutrients from them. These ferns are said to be ____.​

a.

​epiphytes

b.

​saprophytes

c.

​pathogens

d.

​bryophytes

e.

​parasites

4 points   

QUESTION 9

1.      The female part of a flower is known as the ____.​

a.

​anther

b.

​stamen

c.

​endosperm

d.

carpel​

e.

​megaspore

4 points   

QUESTION 10

1.      If fertilization occurs in seed plants, a seed will develop from the ____.​

a.

​ovule

b.

​zygote

c.

​pollen grain

d.

​gametophyte

e.

​ovary

QUESTION 1

1.      ​Anaerobic methanogens produce ____.

a.

​hydrogen sulfide

b.

​carbon monoxide

c.

​ammonia sulfide

d.

​methane

e.

​carbon dioxide

4 points   

QUESTION 2

1.      ​Flagellated protozoans possess a ____, layer of elastic proteins just beneath the plasma membrane.

 

Flagellated protozoans possess a ____, layer of elastic proteins just beneath the plasma membrane.

a.

​capsule

b.

​cilium

c.

​pillus

d.

​flagellum

e.

​pellicle

4 points   

QUESTION 3

1.      ​Both mitochondria and chloroplasts are thought to have evolved by the process of ____.

a.

​nitrogen fixation

b.

​decomposition

c.

​endosymbiosis

d.

​transformation

e.

​viral reassortment

4 points   

QUESTION 4

1.      ​____ bacteria are found inside the roots of legumes, where they receive _____ from the host plant.

a.

​Nitrogen-fixing; carbohydrates

b.

​Thermophilic; water

c.

​Methane-producing; minerals

d.

​Cyanobacteria; minerals

e.

​Halophilic; carbohydrates

4 points   

QUESTION 5

1.      ​The appearance of _____ on Earth due to the action of photosynthetic bacteria occurred about 2.7 billion years ago.

a.

​oxygen

b.

​carbon dioxide

c.

​ATP

d.

​water

e.

​iron

4 points   

QUESTION 6

1.      Fungal cell walls consist primarily of ____.​

a.

​cellulose

b.

​lignin

c.

​chitin

d.

​protein

e.

​pectin

4 points   

QUESTION 7

1.      The most common mode of pollination in angiosperms occurs by _____.​

a.

​insects

b.

​water

c.

​wind

d.

​humans

e.

​birds

4 points   

QUESTION 8

1.      In flowering plants, pollen grains form in the flower's male parts called ____.​

a.

​carpels

b.

​endosperms

c.

​stamens

d.

​megaspores

e.

​anthers

4 points   

QUESTION 9

1.      ​After fertilization occurs in a flowering plant, the ovary becomes a(n) ____.

a.

​endosperm

b.

​fruit

c.

​gametophyte

d.

​ovule

e.

​seed

4 points   

QUESTION 10

1.      Gymnosperms are seed plants that produce seeds ____.​

a.

​on the surface of ovules

b.

​on their waxy needles

c.

​inside ovules

d.

​inside fruits

e.

​from a microspore

QUESTION 1

1.      ​____ allow bacteria to join together to transfer genes.

a.

​Cilia

b.

​Flagella

c.

​Pili

d.

​Spores

e.

​Capsules

4 points   

QUESTION 2

1.      ​Foraminifera are predatory protists with a ____ shell, which is the ultimate source of _____.

a.

​chitin; ozone

b.

​calcium carbonate; chalk and limestone

c.

​carbon; carbon dioxide

d.

​bicarbonate; chalk and limestone

e.

​silicon; oxygen

4 points   

QUESTION 3

1.      ​The ____ form of Plasmodium is transferred to  humans through the bite of an infected mosquito.

a.

​merozoite

b.

​spore

c.

​sporozoite

d.

​gametocyte

e.

​cyst

4 points   

QUESTION 4

1.      ​It is thought that viruses may have originated from cells because ____.

a.

​of their genetic material

b.

​they are pathogens

c.

​of their small size

d.

​they can only replicate within a host cell

e.

​they do not have organelles

4 points   

QUESTION 5

1.      ​Protists that are part of a(n) _____ are integrated with other cells, but remain self-sufficient.

a.

​algal bloom

b.

​colonial organism

c.

​multicellular organism

d.

​pathogenic life cycle

e.

​contractile vacuole

4 points   

QUESTION 6

1.      In seed plants, which develops into a female gametophyte?​

a.

​sporophyte

b.

​microspore

c.

megasporangium ​

d.

​microsporangium

e.

​megaspore

4 points   

QUESTION 7

1.      Gymnosperms are seed plants that produce seeds ____.​

a.

​inside ovules

b.

​on their waxy needles

c.

​from a microspore

d.

​on the surface of ovules

e.

​inside fruits

4 points   

QUESTION 8

1.      Lichens are an important component in many ecosystems because they ____.​

a.

​trap small predators with their hyphae

b.

​are primary producers

c.

​form a mutualistic relationship with the roots of most plants

d.

​are food for primary producers

e.

​help form soil by breaking down rocks

4 points   

QUESTION 9

1.      The structure that consists of an embryo sporophyte and food to support it enclosed within a protective coat is referred to as a ____.​

a.

​spore

b.

​seed

c.

​fruit

d.

​gamete

e.

​zygote

4 points   

QUESTION 10

1.      All fungi are _____.​

a.

​multi-cellular

b.

​photosynthetic

c.

​heterotrophic

d.

​unicellular

e.

​autotrophic

 

Answers

(118)
Status NEW Posted 27 May 2019 07:05 PM My Price 6.00

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file 1558985501-SCI 115 Week 8 Quiz.docx preview (1606 words )
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