ATI TEAS 7
physics
1. When does work on an object occur?
- A. Only when the object's velocity changes
- B. Only when a force is applied to the object
- C. Whenever there is a force exerted on the object causing displacement
- D. Only when the object is lifted vertically
Correct answer: c
Rationale: Work is done when a force is applied to an object, causing it to move in the direction of the force.
2. What is the functional group present in ethers?
- A. Hydroxyl
- B. Carbonyl
- C. Ether
- D. Amine
Correct answer: C
Rationale: Ethers have the functional group -O-, representing an oxygen atom bonded to two alkyl or aryl groups. The other choices are associated with different functional groups.
3. A common indicator used to distinguish between acidic and basic solutions is:
- A. Methyl orange
- B. Phenolphthalein
- C. Universal indicator
- D. All of the above are common indicators.
Correct answer: B
Rationale: Phenolphthalein turns pink in basic solutions and remains colorless in acidic solutions
4. 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.
5. What tool helps scientists identify and classify organisms based on their shared characteristics?
- A. Binomial nomenclature
- B. Cladistics
- C. Dichotomous key
- D. Domain-based classification
Correct answer: C
Rationale: Rationale: A) Binomial nomenclature is a system used to give each organism a two-part scientific name (genus and species) but does not help in identifying or classifying organisms based on shared characteristics. B) Cladistics is a method of classification based on evolutionary relationships and shared characteristics, but it is not a tool used for identifying organisms. C) Dichotomous key is a tool that helps scientists identify and classify organisms based on their shared characteristics by presenting a series of choices leading the user to the correct identification. D) Domain-based classification is a system of classification that groups organisms into three domains (Bacteria, Archaea, Eukarya) based on molecular and genetic similarities, but it is not a tool used for identifying organisms based on shared characteristics.
6. Identify the indirect object in the following sentence: "He gave his mother a bouquet of flowers."
- A. mother
- B. bouquet
- C. flowers
- D. gave
Correct answer: A
Rationale: The indirect object tells who or what benefits from the action of the verb.
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