Biodiversity Informatics — DU B.Sc. (Hons.) Botany Previous Year Question Papers

2. Attempt four Questions in all. 5. Draw diagrams wherever necessary. 1. (a) Define the following (any five) 1x5 (i) Geological Time Scale (il) Species Diversity (iv) Coral Bleaching (v) Gene Bank (vi) Red Data Book (vii) Simulations (b) Expand the following (any five) 1x5 (ill) IPR (c) Match the following 1x5 (i) National park (a) Western Ghats (ii) Gene bank (b) IUCN (iii) Biodiversity hotspot (c) Richness and Evenness (iv) Species Diversity (d) Kaziranga (v) Red list (e) Online resource 2. Differentiate between the following (any five) (i) Shannon vs. Simpson's Indices (ii) National parks vs. Wildlife sanctuaries (iii) Mesozoic vs. Cenozoic era (iv) Latitudinal vs. Insular gradient ofbiodiversity (v) Natural vs Anthropogenic biodiversity loss (vi) Remote sensingvs. GIS 3. Write notes on the following (any three) (i) Coral reefs and their significance (ii) Measures of species diversity (iv) Botanical Gardens 4. (a) Using national and international case studies, discuss the ethical, legal, and economic challenges associated with biodiversity management. (8 marks) (b) What are mangroves? Discuss their significance. What are some of the major threats to mangroves in ecosystem. (7 marks) How does remote sensing help monitor habitat loss and ecosystem changes? (a) What are biodiversity hotspots? What are the major criteria for designating an area as a hotspot? Briefly tell about any two hotspots in India. (8 marks) (b) What is GBIF? Discuss its role in sharing biodiversity data, and how it helps conservation? (7 marks) What do you understand by Mass Extinction? Briefly discuss any three mass extinctions in earth's history along with their causes of extinctions. (7 marks)