Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
Life Science Section 6A Quiz Practice
Test Description: S
Instructions: Answer all questions to get your test result.
1) Scientists and doctors have known for many years that the human body harbors ______ of bacterial cells.
A
hundreds of thousands
B
trillions
C
millions
D
billions
2) Some bacteria help us digest our food, and some produce important _______.
A
proteins
B
tissues
C
vitamins
D
minerals
3) Most microbiota are ________. In fact, many are beneficial.
A
malignant
B
mortal
C
lethal
D
harmless
4) Because a bacterium lacks a nucleus, its DNA, which forms a circular _________, is suspended in the cytosol.
A
chromosomes
B
molecules
C
golgis
D
ribosomes
5) Some bacteria have a slimy coating called a capsule that covers their cell walls. The capsule prevents the bacterium from ________ out.
A
drying
B
going
C
washing
D
running
6) Bacteria living in the different temperature areas of the Grand Prismatic Spring produce the different _______.
A
temperatures
B
smells
C
colors
D
toxins
7) The hot, rainbow-colored waters of the Grand Prismatic Spring in Yellowstone National Park, would be _______ for a human.
A
beneficial
B
deadly
C
constructive
D
benign
8) Although ________ are most famous for living in extreme places such as hot springs, they also live in more ordinary places such as the ocean, swamps, and even the human body.
A
viruses
B
archaea
C
bacteria
D
euglena
9) Most prokaryotes are classified in kingdom ______. They lack membrane-bound organelles.
A
archaea
B
microbia
C
bacillius
D
bacteria
10) Normally bacteria reproduce by _______ fission.
A
multiple
B
binary
C
synthetic
D
natural
11) The reason the earth hasn’t been destroyed by bacteria is that the conditions must be exactly right for bacteria to _______ so quickly.
A
reproduce
B
grow
C
expand
D
rebuild
12) Some bacteria can reproduce every _______ minutes.
A
thirty
B
five
C
twenty
D
fifty
13) Sometimes the ________ are so poor that bacteria struggle to survive.
A
conditions
B
chromosomes
C
endospores
D
cells
14) _______ need nitrogen to grow, but they can’t use the nitrogen gas in the atmosphere.
A
Plants
B
Bacteria
C
Archaea
D
Heterotrophs
15) Bacteria are so _______ that it’s hard to find a process that they are not involved in.
A
rare
B
common
C
elusive
D
divergent
16) While we often think of bacteria as something to be ______ or killed, many of them are quite helpful.
A
embraced
B
avoided
C
grasped
D
respected
17) Bacteria called ________ are responsible for recycling matter from waste materials and the remains of plants and animals into the soil where they can be reused.
A
producers
B
autotrophs
C
heterotrophs
D
decomposers
18) The most common nutrient on Earth is _______. Too bad people and most animals can’t digest it.
A
glycogen
B
glucose
C
carbohydrate
D
cellulose
19) Many of the bacteria in your microbiota keep other, less friendly _______ from starting to grow in or on your body.
A
RNA
B
viruses
C
bacteria
D
DNA
20) Part of the Curse included bacteria becoming the cause of __________ such as tuberculosis, strep throat, and food poisoning
A
antidotes
B
diseases
C
organisms
D
remedies
*select an answer for all questions
Check Results & Get Answers
Play Games with the Questions Above
Teachers: Create FREE classroom games with your questions
Click for more info!
©2007-2024
ReviewGameZone.com
|
About
|
Privacy
|
Contact
|
Terms
|
Site Map
WAIT! Find what you needed?
×
Still Looking for the Answers?
Have Another Question?
Play a Review Game with These Questions?
Want to Make Your Own Test Like This One?