Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
2017 Grade 8 Intermediate-Level Science Test Questions 11-20
Test Description: Use your knowledge of Science to answer all questions. Good Luck.
Instructions: Answer all questions to get your test result.
Helpful Hint
The diagram below represents an event in human reproduction.
1) The numbers in the drawing represent the number of
A
genes
B
DNA
C
cells
D
chromosomes
2) Abnormal cell division causes which health problem?
A
infection
B
aging
C
cancer
D
weight gain
3) Organisms are classified as producers or consumers according to the way they
A
release wastes
B
obtain energy
C
produce offspring
D
move from place to place
Helpful Hint
The diagram below shows mushrooms, a type of decomposer, growing on a rotting log.
4) Which statement best describes the relationship between the mushrooms and the log?
A
The mushrooms use the log as a source of oxygen.
B
The log uses the mushrooms as a food source.
C
The log uses the mushrooms as a source of oxygen.
D
The mushrooms use the log as a food source.
Helpful Hint
The diagram shows two variations of the same species of peppered moth resting on a tree. Originally, most peppered moths were light-colored and blended in with the light-colored bark of the trees in their environment. Due to pollution during the Industrial Revolution, the trees became blackened by soot. As a result, the population of light-colored moths decreased, due to predators. At the same time, the population of dark-colored moths increased, because they were less visible to predators.
5) Which process is responsible for this type of adaptation over time?
A
metamorphosis
B
dynamic equilibrium
C
genetic engineering
D
natural selection
Helpful Hint
The diagram shows two variations of the same species of peppered moth resting on a tree. Originally, most peppered moths were light-colored and blended in with the light-colored bark of the trees in their environment. Due to pollution during the Industrial Revolution, the trees became blackened by soot. As a result, the population of light-colored moths decreased, due to predators. At the same time, the population of dark-colored moths increased, because they were less visible to predators.
6) Which adaptation protected the dark-colored moths from predators?
A
hibernation
B
breeding
C
migration
D
camouflage
7) What causes infectious diseases in the human population?
A
microorganisms
B
toxic chemicals
C
poor dietary habits
D
allergic reactions
8) A Calorie is a unit used to measure
A
vitamins
B
mass
C
energy
D
density
9) A community is composed of
A
organisms of the same species in an area
B
all of the different organisms living in an area
C
the living and nonliving components in an area
D
an organism’s food supply in an area
10) The African savanna is a large grassland region with few trees that is hot and seasonally dry. A population of lions and a population of wild dogs living there are most likely to compete with each other for
A
mates
B
sunlight
C
water
D
air
*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?