ATI TEAS 7
Practice Math TEAS TEST
1. A teacher asked all the students in the class which days of the week they get up after 8 a.m. Which of the following is the best way to display the frequency for each day of the week?
- A. Histogram
- B. Pie chart
- C. Bar graph
- D. Scatter plot
Correct answer: A
Rationale: A histogram is the best way to display the frequency for each day of the week in this scenario. Histograms are ideal for showing the distribution of numerical data by dividing it into intervals and representing the frequency of each interval with bars. In this case, each day of the week can be represented as a category with the frequency of students getting up after 8 a.m. displayed on the vertical axis. Choice B, a pie chart, would not be suitable for this scenario as it is more appropriate for showing parts of a whole, not frequency distributions. Choice C, a bar graph, could potentially work but is more commonly used to compare different categories rather than displaying frequency distribution data. Choice D, a scatter plot, is used to show the relationship between two variables and is not the best choice for displaying frequency for each day of the week.
2. Which of the following suffixes would change the verb 'manage' into an adjective?
- A. -ed
- B. -ible
- C. -able
- D. -er
Correct answer: C
Rationale: The correct suffix to change the verb 'manage' into an adjective is '-able.' When added to 'manage,' it forms the adjective 'manageable,' which means capable of being managed. Choice A ('-ed') is a past participle suffix, not an adjective-forming suffix. Choice B ('-ible') is used to form adjectives meaning 'capable of' but is not the correct choice in this context. Choice D ('-er') is typically used to form agent nouns rather than adjectives.
3. What is the difference between a germline mutation and a somatic mutation?
- A. Germline mutations are passed to offspring, while somatic mutations are not.
- B. Germline mutations occur in reproductive cells, while somatic mutations occur in body cells.
- C. Germline mutations only affect genes, while somatic mutations can affect any DNA.
- D. Germline mutations are always beneficial, while somatic mutations are always harmful.
Correct answer: B
Rationale: Rationale: - Germline mutations are changes in the DNA of reproductive cells (sperm or egg cells) and can be passed on to offspring, affecting all cells in the resulting organism. - Somatic mutations are changes in the DNA of non-reproductive cells (body cells) and are not passed on to offspring. These mutations only affect the cells that arise from the mutated cell. - Option A is incorrect because somatic mutations are not passed to offspring. - Option C is incorrect because both germline and somatic mutations can affect any DNA. - Option D is incorrect because the effects of mutations, whether germline or somatic, can be beneficial, harmful, or have no significant impact.
4. What is the definition of power in physics?
- A. The rate of change of energy
- B. The rate of doing work or transferring energy
- C. The measure of an object's potential energy
- D. The force exerted on an object
Correct answer: B
Rationale: The correct answer is B: 'The rate of doing work or transferring energy.' Power in physics is defined as the rate at which work is done or energy is transferred. It is a measure of how quickly energy is transferred or converted. Power is not the same as energy itself but rather how fast energy is being transferred or converted. Choice A, 'The rate of change of energy,' is incorrect because power is about the rate of work or energy transfer, not just the change in energy. Choice C, 'The measure of an object's potential energy,' is incorrect as power is not a measure of potential energy but rather the rate of energy transfer. Choice D, 'The force exerted on an object,' is incorrect as power is related to work and energy transfer, not just force exerted.
5. How does the human eye focus light?
- A. Cornea
- B. Iris
- C. Lens
- D. Retina
Correct answer: C
Rationale: The human eye focuses light by adjusting the shape of its lens. The lens changes shape to allow the eye to focus on objects at different distances, a process known as accommodation. The cornea is the transparent outer covering of the eye that helps to focus light but does not change shape like the lens. The iris controls the size of the pupil to regulate the amount of light entering the eye. The retina is the light-sensitive layer at the back of the eye that receives and processes images but does not adjust the focus of light.
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