ATI TEAS 7
Biology
1. Which kingdom primarily consists of multicellular, photosynthetic organisms with cell walls made of cellulose?
- A. Animalia
- B. Fungi
- C. Plantae
- D. Protista
Correct answer: C
Rationale: Rationale: A) Animalia consists of multicellular organisms that lack cell walls and are heterotrophic. B) Fungi are multicellular organisms with cell walls made of chitin and are heterotrophic. C) Plantae primarily consists of multicellular, photosynthetic organisms with cell walls made of cellulose. This description fits plants. D) Protista is a diverse kingdom that includes unicellular and multicellular organisms with varying characteristics, but it does not primarily consist of multicellular, photosynthetic organisms with cell walls made of cellulose.
2. What is the main function of the urinary system?
- A. Transporting oxygen
- B. Fighting off infections
- C. Maintaining acid-base balance
- D. All of the above
Correct answer: D
Rationale: The correct answer is D: 'All of the above.' The main function of the urinary system is not just limited to one specific task but encompasses multiple important functions. It is responsible for maintaining acid-base balance by regulating the pH of the blood through the excretion of acids and bases. Additionally, the urinary system plays a crucial role in filtering waste products from the blood and expelling them from the body, which helps in fighting off infections. Moreover, the urinary system is not involved in transporting oxygen, as this function is primarily carried out by the respiratory system. Therefore, 'All of the above' is the correct choice as it includes the comprehensive functions of the urinary system.
3. Elements tend to gain or lose electrons to achieve stable electron configurations like those of noble gases. Their group number often indicates the number of electrons gained/lost and the resulting ionic charge, providing a good starting point for prediction.
- A. Ionic bonds involve electron sharing, while metallic bonds involve electron transfer
- B. Ionic bonds are weak and directional, while metallic bonds are strong and non-directional
- C. Ionic bonds exist between metals and non-metals, while metallic bonds exist only between metals
- D. Ionic bonds form discrete molecules, while metallic bonds form extended structures
Correct answer: D
Rationale: Ionic bonds involve complete electron transfer between atoms, creating strong, non-directional electrostatic attraction. Metallic bonds involve a delocalized "sea" of electrons shared across all metal atoms, resulting in a strong, extended structure.
4. The process of a gas changing directly into a solid is called:
- A. Condensation
- B. Deposition
- C. Sublimation
- D. Evaporation
Correct answer: B
Rationale: This process, also known as sublimation, involves gas particles losing energy and transitioning directly into the solid state.
5. What is the name for the balanced equation that represents a chemical reaction?
- A. Hypothesis
- B. Chemical formula
- C. Balanced equation
- D. Reaction mechanism
Correct answer: C
Rationale: A balanced equation shows the reactants, products, and their stoichiometric coefficients, ensuring equal numbers of atoms of each element on both sides.
6. The phrase "robust ethical frameworks" refers to
- A. Complex algorithms and mathematical models used in AI development.
- B. Comprehensive sets of guidelines and regulations governing AI development and deployment.
- C. Advanced hardware and software systems necessary for building powerful AI systems.
- D. Public education campaigns raising awareness about the potential benefits and risks of AI.
Correct answer: B
Rationale: Ethical frameworks are sets of principles and guidelines that ensure responsible AI development and address potential risks, aligning with B.
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