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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
individual susceptibility
B
individual exposure
C
high potency
D
low concentration
2) If a farmer decides to have a pesticide-free farm, which is most likely the result of this choice?
A
The farmer’s crops will yield more than if pesticides had been applied.
B
Insects eat more of the farmer’s crops, causing lower harvest than if pesticides had been applied.
C
Insects eat less of the farmer’s crops, causing a higher harvest than if pesticides had been applied
D
The farmer’s crops will yield the same amount whether or not pesticides have been applied.
3) Which is the best evidence that two continents were once connected?
A
They exist along the same line of latitude.
B
They have the same climate.
C
They are in the same stage of succession.
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
Law of Superposition
B
chemical weathering
C
current climate
D
amount of daily rainfall
5) Which can most likely be concluded about the top layer of rock seen in an undisturbed cliff wall?
A
The top layer contains more fossils than layers located farther down the cliff.
B
The top layer contains fewer fossils than layers located farther down the cliff.
C
The top layer is older than layers located farther down the cliff.
D
The top layer is younger than layers located farther down the cliff.
6) Based on the Law of Superposition, what can be concluded about fossils?
A
The most recent fossils were advanced organisms.
B
Fossils give clues about past climate patterns.
C
The oldest fossils are found in the lowest rock layers.
D
Fossils form from the hard parts of organisms.
7) Which statement best describes influenza?
A
Influenza causes most forms of lung cancer.
B
Influenza is cured with antibiotics.
C
Influenza is caused by poor hygiene.
D
Influenza is highly contagious.
8) Which process best explains how mountain ranges are worn down over time?
A
continental drift and seafloor spreading
B
volcanic eruptions
C
asteroid impacts
D
mechanical and chemical weathering
9) Which organelle stores genetic information?
A
mitochondrion
B
flagellum
C
vacuole
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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