ATI TEAS 7
TEAS 7 science study guide free
1. Which structure in the female reproductive system is responsible for producing eggs (ova)?
- A. Fallopian tubes
- B. Ovaries
- C. Uterus
- D. Vagina
Correct answer: B
Rationale: The correct answer is the ovaries. Ovaries are the primary reproductive organs in females responsible for producing eggs (ova) through a process known as oogenesis. Ova are released from the ovaries during ovulation and can be fertilized by sperm in the fallopian tubes. The uterus is where a fertilized egg implants and develops into a fetus, while the vagina serves as the birth canal and a site for sexual intercourse. Fallopian tubes are responsible for transporting eggs from the ovaries to the uterus and are the site where fertilization typically occurs. Therefore, while important for the reproductive process, the fallopian tubes do not produce eggs.
2. What energy conversion occurs in a solar cell?
- A. Electrical energy to light energy
- B. Chemical energy to electrical energy
- C. Solar energy to thermal energy
- D. Solar energy to electrical energy
Correct answer: D
Rationale: Solar cells, also known as photovoltaic cells, convert solar energy from sunlight directly into electrical energy through a process called the photovoltaic effect. This process involves the absorption of photons from sunlight, which then generate an electric current. Choice A is incorrect because solar cells do not convert electrical energy into light energy. Choice B is incorrect as solar cells do not involve chemical energy conversion. Choice C is incorrect because solar cells do not primarily convert solar energy into thermal energy. Therefore, the correct answer is D) Solar energy to electrical energy.
3. Identify the positioning of decimal places after the decimal point in this number: 0.08573
- A. 0 in the first decimal place
- B. 8 in the first decimal place
- C. 5 in the second decimal place
- D. 3 in the third decimal place
Correct answer: C
Rationale: In the number 0.08573, the digits are positioned after the decimal point as follows: 0.08573. The correct answer is '5 in the second decimal place' because 5 is the second digit after the decimal point. Choice A is incorrect as there is no '0' after the decimal point. Choice B is incorrect as '8' is the first digit after the decimal point. Choice D is incorrect as '3' is the fourth digit after the decimal point.
4. In which of the following situations would it be best to use informal language?
- A. In a seminar
- B. Writing a postcard
- C. Talking to your boss
- D. Participating in a professional conference
Correct answer: B
Rationale: The correct answer is writing a postcard (Choice B). A postcard is a casual form of communication, typically sent to friends or family, making it a suitable context for informal language. Using informal language in a seminar (Choice A) would be inappropriate as it is a formal setting where professional language is expected. Talking to your boss (Choice C) and participating in a professional conference (Choice D) also require formal language to maintain professionalism and respect for the workplace environment.
5. In the words proactive, progress, and projecting, pro- is a(n) _______ and means _______.
- A. suffix; good/on top of/over
- B. prefix; before/forward/front
- C. affix; after/behind/in back of
- D. prefix; against/under/below
Correct answer: B
Rationale: In the words proactive, progress, and projecting, 'pro-' is a prefix. A prefix is a morpheme added at the beginning of a word to modify its meaning. In this case, 'pro-' means before, forward, or front, indicating a sense of being proactive, making progress, or projecting ahead. Choice A is incorrect as 'pro-' is not a suffix. Choice C is incorrect as 'pro-' is not an affix that goes at the end or in the middle of a word. Choice D is incorrect as 'pro-' does not mean against, under, or below in the given context.
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