ATI TEAS 7
Biology
1. What is the term for the transfer of energy through a food chain?
- A. Photosynthesis
- B. Cellular respiration
- C. Transpiration
- D. Trophic cascade
Correct answer: D
Rationale: Rationale: A) Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll. B) Cellular respiration is the process by which cells break down glucose and other molecules to produce energy in the form of ATP. C) Transpiration is the process by which water is absorbed by plant roots, moves through the plant, and is released as vapor through pores in the leaves. D) Trophic cascade refers to the transfer of energy through a food chain or food web, where the impact of a predator on its prey cascades down the food chain, affecting multiple trophic levels. This term describes the indirect effects that predators can have on lower trophic levels, influencing the entire ecosystem.
2. She notes that there is an increasing unrest of the staff due to fatigue brought about by
- A. Evaluate the overall result of the unrest
- B. Initiate a group interaction
- C. Develop a plan and implement it
- D. Identify external and internal forces.
Correct answer: C
Rationale: The correct answer is C: 'Develop a plan and implement it.' In the given scenario, the staff is experiencing unrest due to fatigue, which is a serious issue affecting their well-being and productivity. By developing a plan to address the fatigue issue and implementing it effectively, the organization can provide necessary support to the staff, improve working conditions, and enhance overall morale and performance. This proactive approach is crucial in maintaining a healthy work environment and ensuring the well-being of the staff members. Options A, B, and D do not directly address the root cause of fatigue and unrest among the staff, making them less suitable answers.
3. What is the relationship between the frequency and period of a wave?
- A. They are unrelated
- B. Frequency = Period
- C. Frequency = 1/Period
- D. Period = 1/Frequency
Correct answer: D
Rationale: The correct relationship between frequency and period of a wave is that Period = 1/Frequency. This means that the period of a wave is the reciprocal of its frequency. Frequency is the number of complete cycles of a wave that occur in a unit of time, while the period is the time it takes for one complete cycle of the wave to occur. Since frequency and period are inversely related, the correct formula is Period = 1/Frequency.
4. Which of these organs is NOT involved in the production of digestive enzymes?
- A. Mouth
- B. Stomach
- C. Pancreas
- D. Small intestine
Correct answer: A
Rationale: Rationale: A) Mouth: The mouth is involved in the mechanical breakdown of food through chewing and the initiation of carbohydrate digestion by the enzyme amylase in saliva, but it does not produce digestive enzymes. B) Stomach: The stomach produces gastric juices containing enzymes like pepsin that help break down proteins. C) Pancreas: The pancreas produces various digestive enzymes such as amylase, lipase, and proteases that aid in the digestion of carbohydrates, fats, and proteins. D) Small intestine: The small intestine produces enzymes such as peptidases, sucrase, lactase, and maltase that further break down proteins, carbohydrates, and fats for absorption. Therefore, the mouth is the organ that is NOT involved in the production of digestive enzymes.
5. Which element is a good conductor of electricity but is not a metal?
- A. Copper
- B. Silver
- C. Graphite
- D. Gold
Correct answer: C
Rationale: While metals are known for their conductivity, some non-metals like graphite also exhibit this property due to their unique electronic structure
6. How do you spell the past participle of the verb "lie" (to recline)?
- A. lied
- B. lain
- C. lay
- D. lying
Correct answer: B
Rationale: The past participle of "lie" (to recline) is "lain," not "lied," which is the past tense.
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