University of Calcutta
SEM - IV (CBCS) 2023
GEOGRAPHY HONOURS
Paper: CC-10 (Soil and Biogeography)
Full Marks: 50
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Time: 2 Hours
Category - A
Answer any five questions (each within 50 words).
2 × 5
01. Distinguish between porosity and permeability of soil.
02. What is meant by Soil air?
03. Which geographic region is favourable for laterization of soil and why?
04. State C:N ratio.
05. What do you mean by producer in Biogeography?
06. Briefly illustrate a food web.
07. Define biomass pyramid.
Category - B
Answer any four questions (each within 150 words).
5 × 4
08. Examine the role of relief in formation of soil.
09. State the significance of soil pH in plant growth.
10. Sketch the main framework of USDA classification of soil.
11. Explain ‘Detritus Food Chain’.
12. Discuss the nature and significance of energy flow in an ecosystem.
13. Highlight the characteristics of Hot Desert Biome.
Category - C
Answer any two questions (each within 500 words).
10 × 2
14. State the significance of texture and structure of soil.
15. Explain the role of organic matter in soil.
16. Describe nitrogen cycle with a diagram.
17. Discuss the methods of conserving biodiversity for sustainable development.