ATI TEAS 7
Physics
1. A block slides down a frictionless inclined plane. What determines its final velocity at the bottom?
- A. The length of the incline
- B. The angle of the incline
- C. The mass of the block
- D. All of the above
Correct answer: B
Rationale: In the absence of friction, the final velocity depends only on the gravitational potential energy gained, which is determined by the height difference related to the angle of the incline.
2. What kind of lens focuses parallel light rays to a single point?
- A. Concave lens
- B. Convex lens
- C. Cylindrical lens
- D. Plano lens
Correct answer: B
Rationale: Convex lenses (converging lenses) bend incoming light rays inwards, focusing them to a point called the focal point.
3. Identify the preposition in the following sentence: The cat jumped over the fence.
- A. cat
- B. jumped
- C. over
- D. the
Correct answer: C
Rationale: Prepositions show the relationship between a noun or pronoun and another word in the sentence. "Over" indicates the position of the cat in relation to the fence.
4. What is the structure that attaches to each chromosome during mitosis?
- A. Centromere
- B. Telomere
- C. Spindle apparatus
- D. Nucleolus
Correct answer: A
Rationale: Rationale: The centromere is the structure that attaches to each chromosome during mitosis. It is a region of the chromosome where the two sister chromatids are held together and where the spindle fibers attach during cell division. The centromere plays a crucial role in ensuring that each daughter cell receives the correct number of chromosomes during cell division. Telomeres are structures found at the ends of chromosomes that protect them from deterioration and fusion with neighboring chromosomes. The spindle apparatus is a structure made of microtubules that helps separate chromosomes during cell division. The nucleolus is a region within the nucleus where ribosomal RNA synthesis occurs and is not directly involved in chromosome attachment during mitosis.
5. Which of the following is NOT a characteristic of living organisms?
- A. Made up of cells
- B. Able to reproduce
- C. Require energy
- D. Non-motile
Correct answer: D
Rationale: Rationale: A) Made up of cells: All living organisms are composed of one or more cells. This is a fundamental characteristic of life as defined by cell theory. B) Able to reproduce: One of the key characteristics of living organisms is their ability to reproduce and pass on genetic information to offspring. C) Require energy: Living organisms require energy to carry out various life processes such as growth, reproduction, and maintenance of homeostasis. This energy is obtained through processes like metabolism. D) Non-motile: While some living organisms may be non-motile (unable to move on their own), movement is a common characteristic of many living organisms. Motility allows organisms to respond to their environment, find food, escape predators, and carry out other essential activities.
6. In physics, what term describes the resistance of an object to changes in its motion?
- A. Inertia
- B. Momentum
- C. Gravity
- D. Kinetic energy
Correct answer: A
Rationale: Inertia is the term that describes the resistance of an object to changes in its motion. This property is described by Newton's First Law of Motion, which states that an object at rest will stay at rest, and an object in motion will stay in motion with the same speed and in the same direction unless acted upon by an external force. Momentum (B) is the product of an object's mass and velocity, gravity (C) is the force that attracts objects towards each other, and kinetic energy (D) is the energy an object possesses due to its motion.
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