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Download SGBAU BSc 2019 Summer 2nd Sem Environmental Science Ecology n Environment Question Paper

Download SGBAU (Sant Gadge Baba Amravati university) BSc 2019 Summer (Bachelor of Science) 2nd Sem Environmental Science Ecology n Environment Previous Question Paper

This post was last modified on 10 February 2020

This download link is referred from the post: SGBAU BSc Last 10 Years 2010-2020 Question Papers || Sant Gadge Baba Amravati university


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B.Sc. (Part—I) Semester—II Examination

ENVIRONMENTAL SCIENCE

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(Ecology and Environment)

Time : Three Hours | Maximum Marks : 80

Note :— ALL questions are compulsory.

  1. (A) Fill in the blanks with appropriate words :
    1. __________ is a hotspot of Biodiversity in India.
    2. Parasitism is an example of __________ interspecific relationship.
    3. --- Content provided by FirstRanker.com ---

    4. __________ is a gaseous biogeochemical cycle.
    5. __________ is a climatic factor.

  2. (B) Choose the correct alternative and rewrite the following sentences :
    1. __________ is an example of commensalism.
      1. Vanda (orchid)
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      3. Cuscuta
      4. Algae
      5. Fungi
    2. __________ is an analytic character of community.
      1. Abundance
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      3. Fidelity
      4. Quadrat
      5. Presence
    3. __________ is the reason for biodiversity loss.
      1. Forest fires
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      3. Conservation
      4. Natality
      5. Species diversity
    4. The ecological boundaries of the two different floristic composition is referred as __________
      1. Biodiversity
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      3. Ecotone
      4. Productivity
      5. Interspecific Relationship
  3. --- Content provided by FirstRanker.com ---


  4. (C) Answer in one sentence :
    1. Define Xerosere.
    2. Define Food Web.
    3. Define Ecosystem.
    4. Define Phenology.
    5. --- Content provided by FirstRanker.com ---

  1. Describe in brief :
    1. Scope of ecology.
    2. Climatic factors.
    3. Graphic sketch of “N” cycle.
    OR
    1. Biotic factors.
    2. --- Content provided by FirstRanker.com ---

    3. Significance of ‘P’ cycle.
    4. Sketch of *C’ cycle.
    1. Parasitism.
    2. Biotic potential.
    3. --- Content provided by FirstRanker.com ---

    4. Age structure.
    OR
    1. Predation.
    2. Natality and Mortality
    3. Mutualism.
  1. --- Content provided by FirstRanker.com ---

  1. Describe in brief :
    1. Presence and constance.
    2. Phenology.
    3. Species diversity.
    OR
    1. Frequency.
    2. Community study by Quadrat method.
    3. --- Content provided by FirstRanker.com ---

    4. Dominance.
  1. Describe forest ecosystem with its significance. OR Describe food chain in forest ecosystem
  1. Describe the process of succession and causes of succession. OR Describe the concept of Productivity. How productivity is measured by chlorophyll, CO2 and O2 method ?
  1. Explain in brief :
    1. Ecological indicators of soil
    2. --- Content provided by FirstRanker.com ---

    3. Types of biodiversity.
    4. Reasons for loss of biodiversity.
    OR
    1. Role of Biological indicators in Environment.
    2. Hotspots of Biodiversity
    3. Global diversity.
    4. --- Content provided by FirstRanker.com ---

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This download link is referred from the post: SGBAU BSc Last 10 Years 2010-2020 Question Papers || Sant Gadge Baba Amravati university