This download link is referred from the post: SGBAU BSc Last 10 Years 2010-2020 Question Papers || Sant Gadge Baba Amravati university
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.
- (A) Fill in the blanks with appropriate words :
- __________ is a hotspot of Biodiversity in India.
- Parasitism is an example of __________ interspecific relationship.
- __________ is a gaseous biogeochemical cycle.
- __________ is a climatic factor.
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- (B) Choose the correct alternative and rewrite the following sentences :
- __________ is an example of commensalism.
- Vanda (orchid)
- Cuscuta
- Algae
- Fungi
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- __________ is an analytic character of community.
- Abundance
- Fidelity
- Quadrat
- Presence
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- __________ is the reason for biodiversity loss.
- Forest fires
- Conservation
- Natality
- Species diversity
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- The ecological boundaries of the two different floristic composition is referred as __________
- Biodiversity
- Ecotone
- Productivity
- Interspecific Relationship
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- __________ is an example of commensalism.
- (C) Answer in one sentence :
- Define Xerosere.
- Define Food Web.
- Define Ecosystem.
- Define Phenology.
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- Describe in brief :
- Scope of ecology.
- Climatic factors.
- Graphic sketch of “N” cycle.
- Biotic factors.
- Significance of ‘P’ cycle.
- Sketch of *C’ cycle.
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-
- Parasitism.
- Biotic potential.
- Age structure.
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- Predation.
- Natality and Mortality
- Mutualism.
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- Describe in brief :
- Presence and constance.
- Phenology.
- Species diversity.
- Frequency.
- Community study by Quadrat method.
- Dominance.
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- Describe forest ecosystem with its significance. OR Describe food chain in forest ecosystem
- 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 ?
- Explain in brief :
- Ecological indicators of soil
- Types of biodiversity.
- Reasons for loss of biodiversity.
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- Role of Biological indicators in Environment.
- Hotspots of Biodiversity
- Global diversity.
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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