ATI TEAS 7
Physics
1. What is the unit of force in the SI system?
- A. Newton (N)
- B. Kilogram (kg)
- C. Meter (m)
- D. Second (s)
Correct answer: A
Rationale: Force is measured in Newtons, named after Isaac Newton who formulated the laws of motion.
2. The author most likely included information about the Silk Road to...
- A. Introduce a famous tourist destination.
- B. Explain the architectural style of Petra.
- C. Emphasize the historical context of the city.
- D. Compare Petra to other ancient trade centers.
Correct answer: C
Rationale: The Silk Road directly impacts Petra's history and prosperity, making it relevant to the historical context
3. What is the term for a genetic disorder caused by a mutation in a mitochondrial gene?
- A. Autosomal dominant disorder
- B. Autosomal recessive disorder
- C. Sex-linked disorder
- D. Mitochondrial disorder
Correct answer: D
Rationale: Rationale: A) Autosomal dominant disorder: This type of genetic disorder is caused by a mutation in one copy of an autosomal gene. It is not related to mitochondrial gene mutations. B) Autosomal recessive disorder: This type of genetic disorder is caused by mutations in both copies of an autosomal gene. It is not related to mitochondrial gene mutations. C) Sex-linked disorder: This type of genetic disorder is caused by mutations in genes located on the sex chromosomes (X or Y). It is not related to mitochondrial gene mutations. D) Mitochondrial disorder: Mitochondrial disorders are genetic disorders caused by mutations in genes located in the mitochondria, the energy-producing structures within cells. These disorders are inherited maternally and can affect various organs and systems in the body due to the role of mitochondria in energy production.
4. You design an experiment to test the effect of temperature on plant growth. Which variable should you keep constant?
- A. The type of soil used.
- B. The amount of sunlight the plants receive.
- C. The amount of water given to the plants.
- D. The temperature variations being tested.
Correct answer: A
Rationale: In this experiment, the variable being tested is the effect of temperature on plant growth. To ensure that any observed changes in plant growth are due to temperature variations and not other factors, it is important to keep other variables constant. The type of soil used can significantly impact plant growth, so it should be kept constant to isolate the effect of temperature. Keeping the amount of sunlight and water constant would also help ensure that any differences in plant growth are due to temperature variations.
5. What transport mechanism uses vesicles to move materials within the cell?
- A. Endocytosis
- B. Active transport
- C. Diffusion
- D. Exocytosis
Correct answer: A
Rationale: The correct answer is A: Endocytosis. Endocytosis is a transport mechanism in which cells take in molecules or particles by engulfing them in a vesicle. This process allows materials to be transported within the cell. Active transport (option B) requires energy to move molecules across the cell membrane against their concentration gradient. Diffusion (option C) is the movement of molecules from an area of high concentration to an area of low concentration. Exocytosis (option D) is the process by which cells release substances from vesicles into the extracellular environment. Therefore, endocytosis is the transport mechanism that uses vesicles to move materials within the cell.
6. You need to buy cardboard to cover a rectangular box with dimensions 40cm by 30cm by 25cm. Considering only the exterior surfaces (not flaps or openings), how much cardboard do you need (assume one sheet covers 0.5 sq m)?
- A. 0.3 sq m
- B. 0.6 sq m
- C. 1.2 sq m
- D. 1.8 sq m
Correct answer: C
Rationale: Calculate the areas of each side and add them up for the total surface area. Divide by the coverage area per sheet to determine the number of sheets needed.
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