Biology Unit 1 Review (Basic Level)

9 Questions | Total Attempts: 78

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Biology Unit 1 Review (Basic Level)

This is a quiz to assess your readiness for the Unit 1 test.


Questions and Answers
  • 1. 
     An advertisement claims that Mega-Gro fertilizer can increase plant growth by 25%.  A student decides to test this claim by planting 3 tomato plants of the same size. She puts them in similar pots with the same type of soil and places them in the same window where they receive the same amount of light daily.  Plants 1 and 2 receive fertilizer mixed with their water.  Plant 3 receives only water.  At the end of 4 weeks, she measures the size of the plants. What is the independent variable?
    • A. 

      The kind of plant

    • B. 

      The fertilizer

    • C. 

      The height of the plant

    • D. 

      The amount of light received

  • 2. 
       An advertisement claims that Mega-Gro fertilizer can increase plant growth by 25%.  A student decides to test this claim by planting 3 tomato plants of the same size. She puts them in similar pots with the same type of soil and places them in the same window where they receive the same amount of light daily.  Plants 1 and 2 receive fertilizer mixed with their water.  Plant 3 receives only water.  At the end of 4 weeks, she measures the size of the plants. In the experiment, what was the dependent variable?
    • A. 

      The fertilizer

    • B. 

      The height of the plant

    • C. 

      The type of soil

    • D. 

      The amount of sun

  • 3. 
     An advertisement claims that Mega-Gro fertilizer can increase plant growth by 25%.  A student decides to test this claim by planting 3 tomato plants of the same size. She puts them in similar pots with the same type of soil and places them in the same window where they receive the same amount of light daily.  Plants 1 and 2 receive fertilizer mixed with their water.  Plant 3 receives only water.  At the end of 4 weeks, she measures the size of the plants. In the experiment, it was important for certain factors to be the same, or constant, for all the plants.  Which of the following are all constants?
    • A. 

      The type of soil, container, and amount of sun

    • B. 

      The type of soil, amount of sun, and height of plant

    • C. 

      The use of fertilizer or not, the amount of sun, and height of plant

    • D. 

      The use of fertilizer, the amount of water, and type of plant

  • 4. 
     An advertisement claims that Mega-Gro fertilizer can increase plant growth by 25%.  A student decides to test this claim by planting 3 tomato plants of the same size. She puts them in similar pots with the same type of soil and places them in the same window where they receive the same amount of light daily.  Plants 1 and 2 receive fertilizer mixed with their water.  Plant 3 receives only water.  At the end of 4 weeks, she measures the size of the plants. The student obtained the following data: Plants 1 and 2 received fertilizer.  Plant 3 did not.  Analyze the data.  What is a good conclusion?
    • A. 

      The company's claim is true because plant 1 grew 3 inches.

    • B. 

      The company's claim is false because the average plant growth of 1.5 inches in plants 1 and 2 is NOT 25% more than the growth that occurred in plant 3.

    • C. 

      She can't know how much each plant grew because she didn't take or record an initial measurement of height for comparison.

  • 5. 
    The energy required for all life comes from ________.
    • A. 

      Plants

    • B. 

      The sun

    • C. 

      Producers

    • D. 

      Herbivores

  • 6. 
     In the food web below, which organisms are herbivores?  
    • A. 

      Northern Elephant Seals

    • B. 

      Horn sharks and sea otters

    • C. 

      Sea urchins and kelp crab

    • D. 

      Kelp

  • 7. 
     The relationship between sea urchins and kelp crab is ______________.
    • A. 

      Predator-prey

    • B. 

      Mutualism

    • C. 

      Commensalism

    • D. 

      Competition

  • 8. 
    What is the role of kelp in this food web?
    • A. 

      An herbivore

    • B. 

      A consumer

    • C. 

      A predator

    • D. 

      A producer

  • 9. 
    An orgamism's role, or job, is called its ____________.
    • A. 

      Producer

    • B. 

      Habitat

    • C. 

      Home

    • D. 

      Niche

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