ATI TEAS 7
English Grammar
1. Which sentence uses the passive voice correctly?
- A. The letter was written by Mary.
- B. John built the house.
- C. She gave the flowers to him.
- D. They were eating dinner.
Correct answer: A
Rationale: Option a clearly identifies the object (letter) acted upon and the agent (Mary) performing the action in the passive voice.
2. A children's toy consists of a half cylinder (diameter 10cm, height 8cm) attached to a cube with side lengths of 5cm. What is the total volume of the toy?
- A. 125 cu cm
- B. 200 cu cm
- C. 275 cu cm
- D. 350 cu cm
Correct answer: C
Rationale: Calculate the volume of the half cylinder and the cube separately, then add them up.
3. What is the process of converting DNA into a protein called?
- A. Transcription
- B. Translation
- C. Replication
- D. Mutation
Correct answer: A
Rationale: Transcription is the process of converting DNA into a molecule called messenger RNA (mRNA). This mRNA molecule carries the genetic information from DNA to the ribosomes, where it is used to make proteins.
4. Which of the following questions is NOT appropriate for scientific investigation?
- A. How can we reduce greenhouse gas emissions?
- B. Is there intelligent life beyond Earth?
- C. What is the meaning of life?
- D. Does free will exist?
Correct answer: C
Rationale: Science deals with observable, measurable phenomena using evidence-based methods. Questions about subjective experiences and abstract concepts like meaning fall outside the realm of scientific inquiry.
5. The speed of light in a vacuum is measured in units of:
- A. Meters per second
- B. Hertz
- C. Candela
- D. Newton
Correct answer: A
Rationale: The correct answer is A: 'Meters per second.' The speed of light in a vacuum is a fundamental constant of nature and is approximately 299,792,458 meters per second. This speed is constant and does not vary based on the frequency or wavelength of light. Hertz (B) is a unit of frequency, Candela (C) is a unit of luminous intensity, and Newton (D) is a unit of force. Understanding the units used to measure the speed of light is important in physics and related fields to accurately describe the propagation of light in different mediums.
6. What is the unit of measurement for power?
- A. Joule (J)
- B. Newton (N)
- C. Watt (W)
- D. Kilogram-meter (kg·m)
Correct answer: c
Rationale: Power is measured in watts (W) in the SI unit system.
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