ATI TEAS 7
physics
1. Define the term "velocity" in relation to motion.
- A. Speed in a specific direction
- B. Distance traveled in a given time
- C. Rate of change of position
- D. Acceleration due to gravity
Correct answer:
Rationale: Velocity is the rate of change of position concerning direction, unlike speed which only refers to distance traveled per unit time.
2. Which of the following is the best approach to resolving conflicting scientific findings?
- A. Dismiss one set of findings as wrong without further investigation.
- B. Conduct additional research to identify potential sources of discrepancies.
- C. Accept the findings from the more prestigious research institution.
- D. Rely on media interpretations and public opinion to settle the debate.
Correct answer: B
Rationale: When faced with conflicting scientific findings, the best approach is to conduct additional research to identify potential sources of discrepancies. This allows for a more thorough understanding of the topic and helps in resolving the conflicting findings through a scientific and evidence-based approach. Dismissing findings without further investigation, relying on prestige, or turning to media interpretations and public opinion can lead to misunderstandings and hinder scientific progress. Conducting additional research promotes a more comprehensive and accurate understanding of the subject matter.
3. Which of the following is an example of a commensal relationship between a microorganism and a human?
- A. Salmonella causing food poisoning
- B. taphylococcus aureus causing skin infections
- C. coli living in the gut
- D. Rabies virus causing neurological disease
Correct answer: C
Rationale: Rationale: A commensal relationship is a type of symbiotic relationship in which one organism benefits, while the other is neither harmed nor benefited. In this case, E. coli living in the gut is an example of a commensal relationship because it can benefit from the environment in the gut without causing harm to the human host. Option A, Salmonella causing food poisoning, is an example of a pathogenic relationship where the microorganism causes harm to the host. Option B, Staphylococcus aureus causing skin infections, is also an example of a pathogenic relationship where the microorganism causes harm to the host. Option D, Rabies virus causing neurological disease, is another example of a pathogenic relationship where the microorganism causes harm to the host.
4. Which sentence uses strong verbs to create a more vivid image?
- A. The car moved slowly down the street.
- B. The car drove sluggishly down the road.
- C. The car inched down the avenue.
- D. The car traveled down the thoroughfare.
Correct answer: C
Rationale: "Inched" creates a stronger image of the car's slow movement compared to "moved" or "drove."
5. How many moles of water are produced when 0.5 moles of methane (CH4) react with excess oxygen?
- A. 0.5 moles
- B. 1 mole
- C. 2 moles
- D. 3 moles
Correct answer: c
Rationale: The balanced equation is CH4 + 2O2 → CO2 + 2H2O, indicating a 1:2 ratio between CH4 and H2O.
6. What is the main purpose of biological classification?
- A. To create a rigid and unchanging system for labeling organisms
- B. To understand the diversity and interconnectedness of life
- C. To simplify nature into neat and tidy categories
- D. To assign organisms to specific ecological niches
Correct answer: B
Rationale: Rationale: Biological classification, also known as taxonomy, is the science of categorizing and organizing living organisms based on shared characteristics. The main purpose of biological classification is not to create a rigid and unchanging system (option A) or to simplify nature into neat and tidy categories (option C). Instead, it aims to help us understand the diversity of life on Earth and how different organisms are related to each other. By classifying organisms into groups based on their evolutionary relationships, we can gain insights into the interconnectedness of life and better appreciate the complexity and beauty of the natural world. Assigning organisms to specific ecological niches (option D) is more related to ecological studies rather than biological classification.
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