ATI TEAS 7
Biology
1. What is the term for a group of organisms with the same genetic makeup?
- A. Population
- B. Clone
- C. Genotype
- D. Species
Correct answer: B
Rationale: Rationale: - A population (option A) refers to a group of individuals of the same species living in the same area. - Genotype (option C) refers to the genetic makeup of an individual organism. - Species (option D) refers to a group of organisms that can interbreed and produce fertile offspring. In this context, a clone (option B) is a group of organisms that are genetically identical because they are derived from a single ancestor. This term specifically refers to organisms with the same genetic makeup, making it the most appropriate choice for the question.
2. Which of the following is NOT a major division of the nervous system?
- A. Peripheral nervous system
- B. Central nervous system
- C. Somatic nervous system
- D. Autonomic nervous system
Correct answer: C
Rationale: The somatic nervous system is actually a component of the peripheral nervous system, responsible for voluntary control of skeletal muscles and sensory information. The major divisions of the nervous system are the central nervous system (which includes the brain and spinal cord) and the peripheral nervous system (which includes all nerves outside the central nervous system). The autonomic nervous system, on the other hand, is a division of the peripheral nervous system responsible for involuntary functions like heart rate and digestion. Therefore, the correct answer is C, the somatic nervous system, as it is not a major division of the nervous system.
3. Which of the following is NOT a type of intermolecular force?
- A. Hydrogen bonding
- B. Dipole-dipole interactions
- C. Ionic bonding
- D. London dispersion forces
Correct answer: C
Rationale: Ionic bonding is a type of intramolecular force, holding ions together within an ionic compound. Intermolecular forces are responsible for the interactions between individual molecules.
4. Which of the following is NOT a property of a catalyst?
- A. Increases the rate of a reaction
- B. Remains unchanged after the reaction
- C. Lowers the activation energy
- D. Creates new products
Correct answer: D
Rationale: A catalyst is a substance that increases the rate of a chemical reaction without being consumed in the process. It remains unchanged after the reaction, which eliminates option B. A catalyst works by lowering the activation energy required for the reaction to occur, which eliminates option C. A catalyst does not create new products in a reaction; it only facilitates the conversion of reactants into products more efficiently. Therefore, option D is NOT a property of a catalyst.
5. Which word in the sentence "The quick brown fox jumps over the lazy dog" demonstrates alliteration?
- A. quick
- B. brown
- C. fox
- D. jumps
Correct answer: A
Rationale: Alliteration is the repetition of the first consonant sound of words close together. In this case, "quick" and "brown" both start with the "k" sound.
6. Look at the following electron configuration: 1s2 2s2 2p6 3s2 3p6. To which group and period does this element belong?
- A. Group 16, Period 3
- B. Group 14, Period 3
- C. Group 18, Period 3
- D. Group 17, Period 2
Correct answer: C
Rationale: ) Group 18, Period 3. Count the total electrons (2 + 2 + 6 + 2 + 6 = 18) and observe the completely filled energy levels. This points to a noble gas in Group 18 (Neon) during Period 3.
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