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2018 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.
1) Which set of terms describes natural fertilization and development in humans before birth?
A
internal fertilization, internal development
B
internal fertilization, external development
C
external fertilization, external development
D
external fertilization, internal development
2) A plant growing toward a light source is an example of an organism
A
attracting a mate
B
obtaining moisture from the air
C
responding to external stimuli
D
destroying infectious germs
3) A cactus plant, a snake, and a hawk can be members of the same
A
kingdom
B
species
C
population
D
community
4) Which substance in green plants needs to absorb sunlight during photosynthesis?
A
cytoplasm
B
water
C
oxygen
D
chlorophyll
5) In 1865, a pond was surrounded by open fi elds. Today, the same area is swampy and surrounded by a forest. Which process is responsible for this change?
A
metamorphosis
B
ecological succession
C
crustal plate movement
D
conservation
Helpful Hint
The food label lists nutritional facts about a serving of cereal alone and cereal with a 1/2 cup of fat-free milk.
6) How much total energy is contained in a single serving of this cereal with a 1/2 cup of fat-free milk?
A
190 Calories
B
40 Calories
C
230 Calories
D
10 Calories
Helpful Hint
The food label lists nutritional facts about a serving of cereal alone and cereal with a 1/2 cup of fat-free milk.
7) One nutrient that is obtained only when milk is added to the cereal is
A
phosphorus
B
niacin
C
cholesterol
D
sodium
8) The fur on an arctic polar bear appears white all year. The color of the fur is an example of
A
an organism exchanging materials with its environment
B
metabolism regulating an organism’s activities
C
an organism responding to internal stimuli
D
an adaptation helping an organism to survive
9) Urban growth and uncontrolled waste disposal by humans most likely results in
A
environmental degradation
B
improved soil composition
C
a balanced ecosystem
D
conservation of fossil fuels
10) Cell division occurs as part of which process?
A
A disinfectant destroys microbes.
B
The body eliminates wastes.
C
Energy in food is released.
D
A cut on a person’s finger heals.
*select an answer for all questions
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