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CLEP Natural Science Practice Tests & Test Prep by Exam Edge - Study Tips



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Overwhelmed at the thought of studying for the CLEP Natural Science exam? Test prep can seem daunting, but a thoughtful study plan will help you break down the work into manageable steps.

Set yourself up for success with our CLEP Natural Science study tips and other test preparation advice to help you:

  • Identify your learning style
  • Find the CLEP Natural Science exam requirements
  • Stay organized
  • Create a study plan for the CLEP Natural Science
  • Practice test-taking strategies

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Tips and Test Prep for passing the CLEP Natural Science ()


We've compiled a list of study tips to help you tackle your test preparation and ace your CLEP Natural Science exam. Whether you are just starting your journey with studying or need a bit of inspiration to refresh your routine, these tips are designed to give you the edge you need to pass your exam with flying colors.

Exam Plan are you ready

Create a CLEP Natural Science Study Plan

  1. Review exam requirements: Check the College Level Examination Program's requirements for the CLEP Natural Science exam to make sure your studying approach suits the exam's format and content.

  2. Identify your learning style: Everyone learns differently, and most of us learn best when we get the same information in a variety of delivery methods. Identify the learning styles and studying approaches that best work for you to maximize your study efforts.

  3. Create a study schedule: Set aside dedicated study time each week to ensure you're making consistent progress. You might consider having dedicated sessions for each content area, such as a day or week dedicated to different sections of the exam. Plan to take practice tests at regular intervals to chart your progress.

  4. Take CLEP Natural Science practice tests: Practice exams will give you an idea of the types and format of questions that you can expect on test day. Our practice tests replicate the CLEP Natural Science exam format, with 120 unique question on each practice test. By getting you comfortable with test-taking and getting the most out of your practice tests, our practice tests can help you ace your exam on test day.

General CLEP Natural Science Study Tips

  • Find a study partner: Do you have a colleague, classmate, or friend who is also pursuing a CLEP Natural Science certification? Studying with a partner can help keep you accountable and provide an opportunity for discussion and clarification. Practicing test questions together might be an opportunity for some friendly competition too!

  • Take breaks: Regular breaks can help prevent burnout and improve retention of information. As you study, give yourself regular pauses to decompress and process what you are learning.

  • Stay organized: Keep your notes, study materials, and practice exams organized to avoid feeling overwhelmed. Whether you prefer a physical or digital studying environment (for instance, taking notes by hand versus typing them into your Notes app), a tidy space and methodical approach will help you stay focused on your test prep.

  • Take care of your physical health: A healthy body leads to a healthy mind, so make sure your test prep routine also prioritizes exercise, nutrition, and sleep during your study period. During the lead-up to your CLEP Natural Science test day, don't cram - get plenty of rest so your brain is sharp!

  • Utilize test-taking strategies: Techniques, like the process of elimination, can help improve your chances of success. If you are stuck on a difficult practice exam question, try to rule out one or two options to narrow down the possible answer. Exam Edge's test-taking system allows you to flag practice test questions you want to return to - use these features to your advantage!
By incorporating these study tips into your preparation process, you will be well on your way to success with the CLEP Natural Science exam. Remember, success requires dedication and hard work - don't give up!

Want to learn more about effective test prep? Check out our study tips to ace your CLEP Natural Science.

Effective CLEP Natural Science Exam Preparation

Exam Edge practice tests are tailored to the specific content and format of the real CLEP Natural Science test, to give you a realistic simulation of the exam experience. We provide you with detailed answer explanations for each question, which can help you understand the reasoning behind the correct answer and identify any misconceptions or areas where you need further study. As you gain familiarity with the types of questions and formats you will encounter by taking practice exams, you will feel more prepared and confident going into test day.

Overall, Exam Edge practice tests can be a valuable tool for helping you prepare for your exam. A study plan that incorporates our practice tests can help you to improve your chances of passing the CLEP Natural Science on the first try.

CLEP Natural Science - Study Plan Tips Sample Questions

Crop productivity starts to decline when the leaves begin to wilt mainly due to which of the following?

Correct Answer:
stomata close and prevent carbon dioxide from entering the leaf.


crop productivity is significantly influenced by the physiological state of the plants, particularly the leaves, which are critical for photosynthesis. photosynthesis is the process by which plants convert light energy into chemical energy, using carbon dioxide (co2) and water to produce glucose and oxygen. this process is vital for plant growth and crop yield.

the question focuses on the impact of wilting leaves on crop productivity. wilting occurs when there is insufficient water for the plant's needs. water is crucial not only for maintaining plant turgidity but also for the physiological processes inside the cells. when plants experience water stress due to inadequate water supply, several responses are triggered to conserve the remaining water.

one of the primary responses is the closing of stomata, which are tiny openings on the leaf surfaces that allow for gas exchange between the plant and its environment. stomata are flanked by guard cells that swell or shrink due to changes in their turgor pressure, directly influenced by the plant's hydration levels. under water stress, the guard cells lose turgor pressure and become flaccid, causing the stomata to close.

the closure of the stomata reduces water loss from the plant through transpiration, which is a necessary trade-off to conserve water. however, this closure has a significant downside—it also prevents the uptake of carbon dioxide from the atmosphere. since carbon dioxide is a critical substrate for photosynthesis, its reduced availability directly impacts the plant's ability to synthesize glucose, thus affecting overall energy production and growth.

consequently, when the stomata are closed, and co2 cannot enter the leaves, the rate of photosynthesis declines sharply. this reduction in photosynthesis leads to decreased crop productivity, as the plants are not able to produce sufficient biochemical energy and biomass. therefore, the correct answer to why crop productivity starts to decline when leaves begin to wilt is that the stomata close and prevent carbon dioxide from entering the leaf, thereby reducing photosynthesis and ultimately crop yield.