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8th Grade Science EOG Questions #2
Test Description: Practice questions for NC 8th grade science EOG.
Instructions: Answer all questions to get your test result.
1) Which factor best explains why some people will react differently than others to the same dose of an antibiotic?
A
high potency
B
low concentration
C
individual exposure
D
individual susceptibility
2) If a farmer decides to have a pesticide-free farm, which is most likely the result of this choice?
A
Insects eat more of the farmer’s crops, causing lower harvest than if pesticides had been applied.
B
The farmer’s crops will yield more than if pesticides had been applied.
C
The farmer’s crops will yield the same amount whether or not pesticides have been applied.
D
Insects eat less of the farmer’s crops, causing a higher harvest than if pesticides had been applied
3) Which is the best evidence that two continents were once connected?
A
They are in the same stage of succession.
B
They have the same climate.
C
They exist along the same line of latitude.
D
They have similar types of rocks and fossils.
4) What does a scientist most likely consider when studying the relative ages of rock layers in a canyon wall?
A
chemical weathering
B
Law of Superposition
C
amount of daily rainfall
D
current climate
5) Which can most likely be concluded about the top layer of rock seen in an undisturbed cliff wall?
A
The top layer is younger than layers located farther down the cliff.
B
The top layer contains more fossils than layers located farther down the cliff.
C
The top layer contains fewer fossils than layers located farther down the cliff.
D
The top layer is older than layers located farther down the cliff.
6) Based on the Law of Superposition, what can be concluded about fossils?
A
Fossils give clues about past climate patterns.
B
Fossils form from the hard parts of organisms.
C
The oldest fossils are found in the lowest rock layers.
D
The most recent fossils were advanced organisms.
7) Which statement best describes influenza?
A
Influenza is cured with antibiotics.
B
Influenza causes most forms of lung cancer.
C
Influenza is highly contagious.
D
Influenza is caused by poor hygiene.
8) Which process best explains how mountain ranges are worn down over time?
A
mechanical and chemical weathering
B
continental drift and seafloor spreading
C
asteroid impacts
D
volcanic eruptions
9) Which organelle stores genetic information?
A
vacuole
B
mitochondrion
C
flagellum
D
nucleus
10) What is the energy source that an animal cell needs to carry out life processes?
A
proteins built in ribosomes
B
water stored in vacuoles
C
light absorbed by chloroplasts
D
sugar broken down in mitochondria
*select an answer for all questions
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