ATI TEAS 7
physics
1. Define 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: Power is the rate at which work is done or energy is transferred or converted.
2. Which type of cell has a nucleus but lacks membrane-bound organelles?
- A. Plant cell
- B. Prokaryotic cell
- C. Animal cell
- D. Fungal cell
Correct answer: B
Rationale: The correct answer is B: Prokaryotic cell. Prokaryotic cells are characterized by having a nucleus, known as the nucleoid, which contains genetic material but lacks a membrane-bound organelles such as mitochondria, endoplasmic reticulum, and Golgi apparatus. Plant and animal cells (options A and C) are eukaryotic cells that have a nucleus and membrane-bound organelles. Fungal cells (option D) are also eukaryotic cells with a nucleus and organelles. Understanding the difference between prokaryotic and eukaryotic cells is essential in biology to grasp the diversity of cell structure and function.
3. Which word completes the sentence: "Despite the storm, the concert ____ went on."
- A. nevertheless
- B. however
- C. therefore
- D. nonetheless
Correct answer: D
Rationale: "Nonetheless" emphasizes the continuation of the concert despite the contrary circumstance.
4. Distinguish between the digestive and respiratory systems.
- A. Mouth
- B. Stomach
- C. Small intestine
- D. Lungs
Correct answer: D
Rationale: Rationale: - The mouth, stomach, and small intestine are all parts of the digestive system, responsible for breaking down food into nutrients that can be absorbed by the body. - The lungs are part of the respiratory system, responsible for the exchange of oxygen and carbon dioxide between the body and the environment through breathing. - While the digestive system processes food for energy and nutrients, the respiratory system is focused on the exchange of gases necessary for cellular respiration.
5. 7 is divisible by which of the following numbers?
- A. 2 only
- B. 3 only
- C. 1 and 7 only
- D. 2, 3, and 7
Correct answer: D
Rationale: Rationale: 1. 7 is divisible by 1 because every number is divisible by 1. 2. 7 is divisible by 7 because any number is divisible by itself. 3. 7 is not divisible by 2 because 7 is an odd number and not divisible by 2. 4. 7 is not divisible by 3 because the sum of the digits of 7 (7) is not divisible by 3. Therefore, 7 is divisible by 1, 7, and itself (7), making the correct answer D) 2, 3, and 7.
6. What describes the change in direction of light when it passes through different mediums, such as air and water?
- A. Diffraction
- B. Reflection
- C. Refraction
- D. Dispersion
Correct answer: c
Rationale: Refraction is the bending of light as it passes from one medium to another with different optical densities, causing a change in direction.
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