CRT Review Semester 1

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CRT Review Semester 1 - Quiz
About This Quiz

The CRT REVIEW SEMESTER 1 quiz is designed to assess knowledge in electronics, focusing on critical technical concepts. It helps learners evaluate their understanding and readiness in electronics, preparing them for advanced studies or professional applications.

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  • 2. 
    - ProProfs

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    Correct Answer
    A. C
    Explanation
    For this to be a fair test, the size of the paper circles must be CONSTANT. They must be the same size.

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  • 3. 
    - ProProfs

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    Correct Answer
    A. C
    Explanation
    The graph shows neither a decrease or increase during this time.

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  • 4. 
    - ProProfs

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    Correct Answer
    A. B
    Explanation
    Carrying capacity is the point at which growth levels off.

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  • 5. 
    - ProProfs

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    Correct Answer
    A. D
    Explanation
    The CONSTANTS are the things that are kept the same to make a fair test.

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  • 6. 
    - ProProfs

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    Correct Answer
    A. A
    Explanation
    The group that does not get the medicine serves as the CONTROL, because that's what you compare the experimental group to.

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  • 7. 
    - ProProfs

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    Correct Answer
    A. C
    Explanation
    The light decreases at greater depths. On sunny days, the light is more intense and travels further in the water.

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  • 8. 
    - ProProfs

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    Correct Answer
    A. A
  • 9. 
    - ProProfs

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    Correct Answer
    A. C
    Explanation
    Algae make their food from sunlight by using photosynthesis. They are called PRODUCERS because they produce their own food.

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  • 10. 
    - ProProfs

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    Correct Answer
    A. A
    Explanation
    Precipitation, evaporation, condensation and transpiration are all parts of the WATER CYCLE.

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  • 11. 
    - ProProfs

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    Correct Answer
    A. A
  • 12. 
    - ProProfs

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    Correct Answer
    A. B
  • 13. 
    - ProProfs

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    Correct Answer
    A. D
    Explanation
    It's the thing that is measurable.

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  • 14. 
    - ProProfs

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    Correct Answer
    A. A
    Explanation
    The number of Euglena increase in the light. This is probably because they need light to make energy.

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  • 15. 
    - ProProfs

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    Correct Answer
    A. A
  • 16. 
    - ProProfs

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    Correct Answer
    A. B
    Explanation
    Decomposers such as bacteria and fungi break down organic material and return it to the soil. They are not shown in the picture.

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  • 17. 
    - ProProfs

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    Correct Answer
    A. B
    Explanation
    P. aurelia is better adapted to grow in this competitive environment.

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  • 18. 
    - ProProfs

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    Correct Answer
    A. A
    Explanation
    Hawks and owls are the top consumers.

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  • 19. 
    - ProProfs

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    Correct Answer
    A. B
    Explanation
    Plants photosynthesize and make sugar from CO2, water, and sunlight. Without sunlight, photosynthesis cannot occur.

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  • 20. 
    - ProProfs

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    Correct Answer
    A. A
    Explanation
    A food web shows the interconnectedness of the food relationships. An ecosystem includes the ABIOTIC factors, so is not the right answer.

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  • 21. 
    - ProProfs

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    Correct Answer
    A. C
    Explanation
    They don't grow as well together because they are trying to get the same resources. They end up hurting each others' growth.

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  • 22. 
    - ProProfs

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    Correct Answer
    A. D
    Explanation
    A CONTROL group is needed.

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  • 23. 
       IGNORE CHOICE A AND B AT THE TOP - ProProfs

       IGNORE CHOICE A AND B AT THE TOP

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    Correct Answer
    A. C
    Explanation
    the omnivore would also eat grass as well as everything else.

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  • 24. 
    - ProProfs

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    Correct Answer
    A. C
    Explanation
    Water availability is an ABIOTIC factor. (Water is not alive).

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  • 25. 
    - ProProfs

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    Correct Answer
    A. D
    Explanation
    Animals use oxygen and breathe OUT carbon dioxide.

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  • 26. 
    - ProProfs

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    Correct Answer
    A. D
  • 27. 
    - ProProfs

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    Correct Answer
    A. B
    Explanation
    The plants are the producers. The insects are the primary consumers. The fish and other carnivores are secondary consumers. The bass are tertiary consumers.

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  • 28. 
    - ProProfs

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    Correct Answer
    A. B
    Explanation
    Transpiration is the movement of water (H2O) from the stomata in plant leaves into the atmosphere. It is part of the WATER CYCLE.

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  • 29. 
    - ProProfs

    • A

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    Correct Answer
    A. A
    Explanation
    Since only 10% of the energy flows up to the next level, only a small amount of available energy in an ecosystem makes it to the top. Since the coyote is the top consumer in this system, it gets the LEAST energy.

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  • 30. 
    - ProProfs

    • A

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    Correct Answer
    A. B
  • 31. 
    - ProProfs

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    Correct Answer
    A. D
  • 32. 
    - ProProfs

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    Correct Answer
    A. D
    Explanation
    A population is a group of the same species. A community is a group of many populations of different organisms.

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  • 33. 
    - ProProfs

    • A

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    Correct Answer
    A. B
    Explanation
    The rule of 10% says that only 10 percent of the energy available flows up to the next level.

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  • 34. 
    - ProProfs

    • A

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    Correct Answer
    A. B
    Explanation
    It's the J part of the curve at the beginning.

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  • 35. 
    - ProProfs

    • A

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    Correct Answer
    A. A
    Explanation
    Energy always flows to the consumer. 90% is lost as heat.

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  • Current Version
  • Mar 15, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 07, 2010
    Quiz Created by
    Mrsstarkweather
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