ATI TEAS 7
physics
1. Which type of waves travel by causing particles in the medium to vibrate parallel to the direction of wave travel?
- A. Transverse waves
- B. Longitudinal waves
- C. Surface waves
- D. Electromagnetic waves
Correct answer: B
Rationale: Longitudinal waves are waves in which the particles of the medium vibrate parallel to the direction of wave travel. This type of wave is characterized by compressions and rarefactions in the medium, where the particles move back and forth in the same direction as the wave. Transverse waves, on the other hand, cause particles to vibrate perpendicular to the direction of wave travel. Surface waves are a combination of both longitudinal and transverse motion, while electromagnetic waves do not require a medium and can travel through a vacuum.
2. According to the passage, learning from history can help us
- A. predict future events with complete certainty.
- B. avoid any possibility of making mistakes in the present.
- C. identify potential challenges and develop innovative solutions.
- D. directly replicate the successes of past societies in our own time.
Correct answer: C
Rationale: The passage emphasizes learning from both successes and failures, identifying potential obstacles, and using historical knowledge to create solutions for current problems.
3. A major factor influencing the distribution of organisms geographically is:
- A. The availability of specific types of food sources
- B. olerance of organisms to different temperature ranges
- C. Competition for mates within the same species
- D. All of the above
Correct answer: D
Rationale: Rationale: The distribution of organisms geographically is influenced by a variety of factors, including the availability of specific types of food sources (option A). Organisms need to have access to suitable food sources in order to survive and thrive in a particular area. Additionally, the tolerance of organisms to different temperature ranges (option B) is crucial as temperature can greatly impact where certain species can live. Organisms must be able to withstand the temperature conditions of a given environment to survive there. Competition for mates within the same species (option C) can also play a role in the distribution of organisms, as it can affect population sizes and dynamics in different areas. Therefore, all of these factors - food availability, temperature tolerance, and competition for mates - collectively influence the distribution of organisms geographically.
4. What are the key differences between cytokinesis in plant and animal cells?
- A. Animal cells utilize an actomyosin ring for cleavage furrow formation, while plant cells lack this mechanism.
- B. Plant cells rely on the assembly of a cell plate in the center of the dividing cell, ultimately separating the cytoplasm.
- C. Cytokinesis in both plant and animal cells is driven by the expansion of the endoplasmic reticulum.
- D. Both types of cells achieve cytokinesis through similar membrane pinching and constriction mechanisms.
Correct answer: B
Rationale: Rationale: A) Animal cells utilize an actomyosin ring for cleavage furrow formation, while plant cells lack this mechanism. - This statement is true. Animal cells use an actomyosin ring to form a cleavage furrow during cytokinesis, while plant cells do not have this mechanism. Instead, plant cells form a cell plate. B) Plant cells rely on the assembly of a cell plate in the center of the dividing cell, ultimately separating the cytoplasm. - This statement is correct. Plant cells form a cell plate in the middle of the dividing cell during cytokinesis. The cell plate eventually develops into a new cell wall that separates the two daughter cells. C) Cytokinesis in both plant and animal cells is driven by the expansion of the endoplasmic reticulum. - This
5. What is the common name for the compound CH₃COOH?
- A. Acetic acid
- B. Formic acid
- C. Butyric acid
- D. Propionic acid
Correct answer: A
Rationale: CH₃COOH is commonly known as acetic acid. The other choices represent different organic acids.
6. What is the stoichiometric coefficient of nitrogen (N2) in the balanced equation for the Haber process: N2 + 3H2 → 2NH3?
- A. 1
- B. 2
- C. 3
- D. 4
Correct answer: a
Rationale: The coefficient of N2 is 1 in the balanced equation
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