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AP EAMCET Zoology Unit 8: Ecology and Environment — practice questions — page 2

Explore 58 free Zoology Unit 8: Ecology and Environment questions in AP EAMCET Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Zoology Unit 8: Ecology and Environment questions and exercises with answers

Showing questions 31–58 of 58.

How does a rise in temperature affect microbial decomposition?Read the answer and worked solution →The capacity to absorb disturbance and still keep the same function is calledRead the answer and worked solution →Forest fires and hurricanes typically lead to which type of succession?Read the answer and worked solution →Most nitrogen enters ecosystems throughRead the answer and worked solution →Phosphorus enters ecosystems mainly by which process?Read the answer and worked solution →Conversion of ammonium to nitrite and nitrate ions is calledRead the answer and worked solution →What do mycorrhizal fungi give plant roots in return for carbohydrates?Read the answer and worked solution →Which plant family commonly hosts nitrogen-fixing symbionts?Read the answer and worked solution →Which photosynthetic microbes can also fix nitrogen?Read the answer and worked solution →Which set lists the primary plant nutrients?Read the answer and worked solution →Which of these is a plant micronutrient?Read the answer and worked solution →Which element is a secondary major plant nutrient?Read the answer and worked solution →Which nutrient most limits terrestrial production in the short term?Read the answer and worked solution →Which organisms make enzymes that break down lignin in dead plants?Read the answer and worked solution →Who published a descriptive theory of plant succession in 1916?Read the answer and worked solution →In succession, a bare area with little life is calledRead the answer and worked solution →Which succession stage is the arrival of propagules?Read the answer and worked solution →In which phase does humus buildup let one plant community replace another?Read the answer and worked solution →The formation of a stable climax community marks which stage?Read the answer and worked solution →A prisere is the whole series of seres fromRead the answer and worked solution →What is true of organic matter in a climax community?Read the answer and worked solution →In a climax ecosystem, gross primary production is balanced byRead the answer and worked solution →Primary succession begins on which kind of surface?Read the answer and worked solution →Why can early secondary succession be relatively rapid?Read the answer and worked solution →Which human disturbance often triggers secondary succession?Read the answer and worked solution →Ecosystem ecology, unlike population ecology, focuses onRead the answer and worked solution →Which example shows organisms modifying their own habitat?Read the answer and worked solution →Who proposed energy flow through a lake as the main driver of the ecosystem?Read the answer and worked solution →

Worked practice questions

How does a rise in temperature affect microbial decomposition?

  1. It speeds it up
  2. It slows it down
  3. It stops it
  4. It has no effect
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Correct answer: A. It speeds it up

Temperature controls microbial respiration, so warmer conditions mean faster breakdown of dead matter.

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The capacity to absorb disturbance and still keep the same function is called

  1. Resistance level
  2. Productivity rate
  3. Ecological resilience
  4. Nutrient cycling
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Correct answer: C. Ecological resilience

Ecological resilience means reorganizing after disturbance while keeping essentially the same structure, identity and function.

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Forest fires and hurricanes typically lead to which type of succession?

  1. Secondary succession
  2. Primary succession
  3. Seasonal succession
  4. Climax formation
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Correct answer: A. Secondary succession

These less severe disturbances leave soil and organisms behind, giving secondary succession and faster recovery.

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