ATI TEAS 7
TEAS 7 practice test science
1. When a car brakes to a stop, friction between the tires and the road acts as:
- A. A balanced force
- B. An unbalanced force causing deceleration
- C. An unbalanced force causing the car to remain at rest
- D. No force at all
Correct answer: B
Rationale: When a car brakes to a stop, friction between the tires and the road acts as an unbalanced force causing deceleration. This friction force opposes the motion of the car, resulting in a decrease in speed until the car comes to a complete stop. Choice A is incorrect because if the forces were balanced, the car would not experience any deceleration. Choice C is incorrect because if the force were unbalanced in the direction of motion, the car would continue to move instead of coming to a stop. Choice D is incorrect because friction between the tires and the road does exert a force, causing deceleration.
2. What is the end result of mitosis in animal cells?
- A. The production of two identical daughter cells
- B. The production of four haploid cells
- C. The production of a single diploid cell
- D. The production of a single haploid cell
Correct answer: A
Rationale: Mitosis is a type of cell division specific to eukaryotic cells that results in the production of two identical daughter cells, each with the same genetic material as the parent cell. This process is crucial for growth, tissue repair, and maintaining a constant number of chromosomes in multicellular organisms. During mitosis, the replicated chromosomes are segregated into two separate nuclei, followed by the division of the cell into two identical daughter cells. Options B, C, and D are incorrect as mitosis does not lead to the production of four haploid cells, a single diploid cell, or a single haploid cell. The correct answer is A because mitosis results in the formation of two daughter cells that are genetically identical to each other and to the parent cell, allowing for growth and replacement of damaged cells in multicellular organisms.
3. What is the difference between a real image and a virtual image formed by a lens?
- A. Real images can be projected onto a screen, while virtual images cannot.
- B. Real images are always upright, while virtual images can be inverted.
- C. Real images are formed by converging lenses, while virtual images are formed by diverging lenses.
- D. All of the above are true.
Correct answer: A
Rationale: The correct answer is A. Real images can be projected onto a screen because they are formed by the actual convergence of light rays, while virtual images cannot be projected onto a screen as they appear to diverge from a point behind the lens. Real and virtual images do not have a consistent orientation (upright or inverted), so option B is incorrect. Real images are formed by both converging and diverging lenses depending on the specific scenario, so option C is not a definitive distinction. Option D is incorrect as not all the statements are true. Therefore, the only accurate general distinction between real and virtual images is that real images can be projected onto a screen, while virtual images cannot.
4. What best describes the plot in fiction?
- A. The main sequence of events or the storyline
- B. Character development
- C. The time and place of the story
- D. The events in the story that are true
Correct answer: A
Rationale: The correct answer is A: 'The main sequence of events or the storyline.' The plot of a fiction story refers to the series of events that make up the storyline, including the rising action, climax, and resolution. It focuses on what happens in the story rather than the development of characters (choice B), the time and place setting (choice C), or events that are factually true (choice D), which are elements distinct from the plot.
5. To which section of the library should Jorgen go to locate these works?
- A. 100
- B. 200
- C. 700
- D. 800
Correct answer: D
Rationale: Jorgen should go to Section 800 to locate The Iliad and The Odyssey by Homer. These works are literary masterpieces and would be categorized under literature in the library. While sections 100, 200, and 700 cover Philosophy and psychology, Religion, and Arts and recreation respectively, they are not the most suitable sections for finding works of literature like The Iliad and The Odyssey.
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