ATI TEAS 7
Biology
1. What is the main factor limiting population growth in K-strategists?
- A. Predation
- B. Availability of resources
- C. Competition
- D. Disease
Correct answer: B
Rationale: Rationale: K-strategists are species that have a low reproductive rate and invest more resources in raising fewer offspring. These species typically inhabit stable environments where resources are limited. The main factor limiting population growth in K-strategists is the availability of resources such as food, shelter, and space. When resources are scarce, K-strategists may struggle to find enough resources to support their population size, leading to decreased reproductive success and population growth. Predation (option A), competition (option C), and disease (option D) can also impact population growth, but the primary limiting factor for K-strategists is the availability of resources.
2. Which of the following functional groups is present in carboxylic acids?
- A. Carbonyl
- B. Hydroxyl
- C. Carboxyl
- D. Aldehyde
Correct answer: C
Rationale: Carboxylic acids contain the carboxyl functional group (-COOH). The other choices are associated with different functional groups.
3. She tries to design an organizational structure that allows communication to flow in all
- A. Centralized
- B. Decentralized
- C. Matrix
- D. Informal
Correct answer: A
Rationale: The correct answer is 'A: Centralized.' In a centralized organizational structure, decision-making authority and communication flow through a single point of control or a specific group of individuals. This setup ensures that communication channels are streamlined and information is disseminated efficiently. By designing an organizational structure that allows communication to flow in all directions, it suggests a decentralized structure where decision-making authority is distributed across various levels and departments. Therefore, 'Centralized' is the best fit for the scenario described in the question.
4. Choose the most appropriate word to complete the sentence "He was _____ about his upcoming presentation."
- A. apprehensive
- B. bored
- C. excited
- D. relieved
Correct answer: A
Rationale: "Apprehensive" implies a mild worry or nervousness, which best fits the context.
5. A stop sign has five equal sides, each measuring 25cm. What is its perimeter?
- A. 100cm
- B. 125cm
- C. 150cm
- D. 175cm
Correct answer: B
Rationale: Multiply the side length by the number of sides: perimeter = number of sides * side length = 5 * 25cm = 125cm.
6. The two main divisions of the skeletal system are:
- A. Upper and lower body bones
- B. Axial and appendicular skeleton
- C. Long and short bones
- D. Compact and spongy bone
Correct answer: B
Rationale: The correct answer is B: Axial and appendicular skeleton. The skeletal system is divided into two main parts: the axial skeleton, which includes the skull, rib cage, and vertebral column, and the appendicular skeleton, which includes the bones of the arms, legs, shoulders, and hips. This division is based on the location and function of the bones in the body. The other options are incorrect as they do not represent the main divisions of the skeletal system. Understanding these divisions is important for studying the structure and function of the human skeletal system.
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