Economic Botany — DU B.Sc. (Prog.) Applied Life Sciences with Agrochemicals and Pest Management pertaining to Botany Previous Year Question Papers

Economic Botany B.Sc. Applied Life Science with Agrochemicals and Pest Management 2. Attempt four questions in all. All parts of a question should be answered together. 1. (a) Write the botanical name of the following (any five): (i) Example of a pseudocereal (ii) Essential oil yielding plant (iii) Plant with dimoxphic branching pattern (iv) Fever bark tree (v) Used in microbial broth preparation (vi) Noble cane (b) Match the following (any five): (1x5=5) (i) T Theine (a) | Bajra (ii) Geocarpic fruit (b) Jute (iv) Ratooning (d) Tea (v) Bast fibre (e) Flax (vi) | Paper in Cigarette (f) Groundnut (c) Give the botanical name of plant in which the following chemical constituent is present (any five): (1x5=5) (i) Latex not tantal (iii) Digitoxin (vii) Nicotine 2. Differentiate between (any five): (3x5=15) (a) Alcoholic and Nonalcoholic beverage (b) Drying and Non-drying oil (c) Bast fibre and Surface fibre (d) Cereals and Millets (e) Simple and Aggregate fruit (I) Spices and condiments 3. Write the botanical name and family and draw well labeled diagram of (any three): (a) c5s. potato tuber (c) L.S. cotton seed (d) T.S. wheat caryopsis (i) Manmade cereal crop (iv) Extraction of vegetable oil (b) Classify tea on the basis of processing methods. 5. (a) Name two principle states where the following crops are cultivated (any five): (b) Write down the botanical name, family and uses of para rubber. (c) Discuss the process of extraction of jute fibre from the stem. 6. Comment (anythree): (a) Parboiled rice is superior over ordinary rice. (b) Toxic substances in some legumes can cause diseases. (c) Cotton is a cash crop. (d) Coconut is known as Kalpvriksha