STU1043 Plant Physiology: Environmental Factors and Plant Growth

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Questions and Answers

What is the term used to describe an environmental factor that becomes a limiting factor in plant growth when it is less than ideal?

  • Environmental stressor
  • Growth inhibitor
  • Critical factor
  • Limiting nutrient (correct)

Which of the following best describes the relationship between environmental factors and plant distribution?

  • Environmental factors have no impact on plant distribution
  • Environmental factors determine the geography of plant distribution (correct)
  • Plant distribution is solely determined by biotic factors
  • Plant distribution is not influenced by environmental factors

In the context of plant problems, what is the primary cause of most issues related to plant growth and development?

  • Biotic stressors
  • Water scarcity
  • Environmental stress (correct)
  • Inadequate sunlight

What is the main purpose of understanding the environmental aspects that affect plant growth?

<p>To manage environmental stress effectively (D)</p> Signup and view all the answers

What are the factors that can influence a species’ ability to survive?

<p>Temperature, light, and soil (D)</p> Signup and view all the answers

Which factor is an example of a biotic factor?

<p>Bacteria (A)</p> Signup and view all the answers

What is a limiting factor?

<p>A factor that places an upper limit on the size of a population (B)</p> Signup and view all the answers

Which component is an abiotic stress?

<p>Sunlight (C)</p> Signup and view all the answers

What determines where a particular species is able to live?

<p>Temperature and precipitation (D)</p> Signup and view all the answers

Which environment factor is an abiotic factor?

<p>Light (B)</p> Signup and view all the answers

What are the main abiotic factors that can influence a species’ ability to survive?

<p>Sunlight, oxidative agents, and metal toxicity (B)</p> Signup and view all the answers

$CO_2$ is an example of which type of factor?

<p>$Abiotic$ factor (A)</p> Signup and view all the answers

$Biotic$ factors often determine what aspect of a species?

<p>$Success$ in the environment (C)</p> Signup and view all the answers

$Water$, $light$, and $soil$ are examples of which type of factors?

<p>$Abiotic$ factors (C)</p> Signup and view all the answers

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