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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

(15)
Status NEW Posted 27 May 2019 07:05 PM My Price 6.00

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