South Carolina authorities have been spreading sample questions across the state for high-stakes tests that students will start taking next spring. Below are some examples for 10th graders, whose assessments will be gradually introduced.
Tenth Grade – Science
In determining blood type, there are three alleles: A, B, and O. The A and B alleles are both dominant over O, but neither is dominant over the other. When both A and B are present in a genotype, they are considered co-dominant. This is the reason why there are four different blood types: A, B, AB, and O. Dan has type A blood. What is the likelihood that Dan and Joy will have a child with type O blood?
A. 0%
B. 25%
C. 50%
D. 75%
E. 100%
(Answer: B)
A force of 50N and a force of 80N are applied to a boulder. If these vectors are added in any direction, which resultant force is not possible?
A. 130N
B. 80N
C. 50N
D. 30N
E. 20N
(Answer: E)
Tenth Grade – Mathematics
There are 250 seniors in a class. Sixty percent of them have plans to attend college. Out of those who plan to go to college, 40 percent plan to attend a college outside of the state. How many students plan to go to a South Carolina college?
A. 60
B. 90
C. 40
D. 150
E. 190
(Answer: B)
DEF is the image of ABC under a dilation (or size change). What is the magnitude of the size change?
A. 17/8
B. 2
C. 3
D. 3.5
E. 4
(Answer: A)
