ATI TEAS 7
Biology
1. A major factor influencing the distribution of organisms geographically is:
- A. The availability of specific types of food sources
- B. olerance of organisms to different temperature ranges
- C. Competition for mates within the same species
- D. All of the above
Correct answer: D
Rationale: Rationale: The distribution of organisms geographically is influenced by a variety of factors, including the availability of specific types of food sources (option A). Organisms need to have access to suitable food sources in order to survive and thrive in a particular area. Additionally, the tolerance of organisms to different temperature ranges (option B) is crucial as temperature can greatly impact where certain species can live. Organisms must be able to withstand the temperature conditions of a given environment to survive there. Competition for mates within the same species (option C) can also play a role in the distribution of organisms, as it can affect population sizes and dynamics in different areas. Therefore, all of these factors - food availability, temperature tolerance, and competition for mates - collectively influence the distribution of organisms geographically.
2. A ball is rolling across the floor and comes to a stop on its own. What force caused the ball to stop?
- A. Gravitational force
- B. Normal force from the floor
- C. Air resistance
- D. None of the above
Correct answer: C
Rationale: In the absence of other forces, air resistance will gradually slow down the ball until it stops.
3. The main purpose of using strong vocabulary in your writing is to:
- A. Impress the reader with your knowledge of complex words.
- B. Confuse the reader and make them think harder.
- C. Communicate your ideas clearly and precisely.
- D. Shorten your sentences and save space.
Correct answer: C
Rationale: While using complex vocabulary can showcase knowledge, the primary goal is to ensure the reader understands your message. Precise words eliminate confusion and ambiguity.
4. Which of the following is NOT a method of sterilization?
- A. Autoclave
- B. UV light
- C. Chemical disinfectants
- D. Boiling water
Correct answer: D
Rationale: Rationale: A) Autoclave: An autoclave is a method of sterilization that uses high pressure and steam to kill microorganisms, making it an effective way to sterilize equipment and materials. B) UV light: UV light is a method of sterilization that damages the DNA of microorganisms, preventing them from reproducing and causing infections. C) Chemical disinfectants: Chemical disinfectants are used to kill or inactivate microorganisms on surfaces, but they may not always achieve sterilization, which is the complete destruction of all microorganisms. D) Boiling water: Boiling water is a method of disinfection rather than sterilization. While boiling water can kill many microorganisms, it may not be effective against all types of bacteria, viruses, and spores, making it unsuitable for achieving sterilization. Therefore, the correct answer is D) Boiling water, as it is not a method of sterilization
5. Which of the following is the main organ responsible for absorbing nutrients?
- A. Stomach
- B. Small intestine
- C. Large intestine
- D. Pancreas
Correct answer: B
Rationale: Rationale: The small intestine is the main organ responsible for absorbing nutrients from the food we eat. It is where the majority of digestion and absorption of nutrients such as carbohydrates, proteins, fats, vitamins, and minerals occurs. The inner lining of the small intestine is covered in tiny finger-like projections called villi, which increase the surface area available for nutrient absorption. The stomach plays a role in breaking down food into smaller particles, but the actual absorption of nutrients primarily takes place in the small intestine. The large intestine mainly absorbs water and electrolytes, while the pancreas produces digestive enzymes and hormones but is not primarily responsible for absorbing nutrients.
6. A lampshade is shaped like a frustum of a cone, with base diameters of 20cm and 10cm and a height of 15cm. What is its volume?
- A. 625 cu cm
- B. 1250 cu cm
- C. 1875 cu cm
- D. 2500 cu cm
Correct answer: C
Rationale: This requires dividing the frustum into two cones and calculating their individual volumes before subtracting them. The formula for a cone frustum involves the radii of both bases and the height.
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