Economic Botany — MCQs Biology 50 min Score: 0 Attempted: 0/50 Subscribe 1. Economic botany deals with: (A) Study of plant structure (B) Use of plants by humans (C) Plant reproduction (D) Plant ecology 2. Cotton is obtained from the: (A) Seed (B) Leaf (C) Stem (D) Root 3. Jute is mainly used for: (A) Medicine (B) Oil extraction (C) Paper and ropes (D) Food 4. Rubber is obtained from: (A) Hevea brasiliensis (B) Gossypium (C) Cocos nucifera (D) Zea mays 5. Tea is obtained from: (A) Camellia sinensis (B) Coffea arabica (C) Theobroma cacao (D) Mentha 6. Coffee seeds are used as: (A) Oil (B) Beverage (C) Spice (D) Medicinal herb 7. Theobroma cacao provides: (A) Tea leaves (B) Coffee (C) Cocoa and chocolate (D) Oil 8. Sugar is obtained from: (A) Wheat (B) Rice (C) Cotton (D) Sugarcane 9. Saccharum officinarum is the botanical name of: (A) Sugar beet (B) Sugarcane (C) Cotton (D) Jute 10. Groundnut is a source of: (A) Fiber (B) Oil (C) Rubber (D) Sugar 11. Castor oil is extracted from: (A) Helianthus (B) Linum usitatissimum (C) Gossypium (D) Ricinus communis 12. Linseed oil is obtained from: (A) Sunflower (B) Linum usitatissimum (C) Mustard (D) Groundnut 13. Wheat provides: (A) Staple food (B) Fiber (C) Oil (D) Medicine 14. Rice is a major source of: (A) Protein (B) Carbohydrates (C) Fats (D) Vitamins 15. Maize is used for: (A) Oil extraction (B) Fiber (C) Food and fodder (D) Medicine 16. The plant used for making ropes is: (A) Cotton (B) Jute (C) Sunflower (D) Mustard 17. Coir is obtained from: (A) Coconut husk (B) Cotton seed (C) Jute stem (D) Rubber latex 18. Rubber is classified as: (A) Synthetic polymer (B) Carbohydrate (C) Natural polymer (D) Fat 19. Kew Gardens is famous for: (A) Astronomy (B) Animal research (C) Soil studies (D) Economic plants 20. Ginger is obtained from: (A) Root (B) Leaf (C) Seed (D) Rhizome 21. Turmeric provides: (A) Fiber (B) Oil (C) Spice and medicine (D) Rubber 22. Pepper is obtained from: (A) Capsicum annuum (B) Zingiber officinale (C) Curcuma longa (D) Piper nigrum 23. Cloves are obtained from: (A) Seeds (B) Flower buds (C) Bark (D) Leaf 24. Cinnamon is obtained from: (A) Root (B) Leaf (C) Stem bark (D) Seed 25. Vanilla flavor is obtained from: (A) Stem (B) Seed (C) Leaf (D) Fruit 26. Saffron is obtained from: (A) Leaf (B) Seed (C) Petal stigma (D) Stem 27. Rubber tapping involves: (A) Harvesting leaves (B) Extracting seeds (C) Cutting stem bark to extract latex (D) Picking fruits 28. Soybean is used for: (A) Protein-rich food and oil (B) Spice (C) Fiber (D) Rubber 29. Coconut is a source of: (A) Spice (B) Medicine only (C) Fiber, oil, and food (D) Beverage 30. Castor oil is used in: (A) Industrial lubricants (B) Cooking (C) Rubber production (D) Spices 31. Sunflower seeds are mainly used for: (A) Fiber (B) Oil (C) Starch (D) Rubber 32. Cotton is obtained from: (A) Stem (B) Root (C) Fruit (D) Seed hairs 33. Fibers from plants are mainly used in: (A) Food industry (B) Beverage production (C) Rubber production (D) Textile industry 34. Linum usitatissimum provides: (A) Flax and linseed oil (B) Cotton (C) Rubber (D) Cocoa 35. Mustard seeds are used for: (A) Beverage (B) Fiber (C) Oil (D) Spice 36. Cloves and cardamom are examples of: (A) Fiber crops (B) Oil crops (C) Spices (D) Beverage crops 37. Opium is obtained from: (A) Papaver somniferum (B) Cannabis sativa (C) Ricinus communis (D) Linum usitatissimum 38. Which plant is a source of natural dye? (A) Wheat (B) Sugarcane (C) Indigo (D) Rice 39. Tea leaves contain: (A) Capsaicin (B) Theobromine (C) Caffeine (D) Nicotine 40. Coffee seeds contain: (A) Nicotine (B) Capsaicin (C) Theobromine (D) Caffeine 41. Rubber is mainly harvested from: (A) Seed (B) Bark (C) Latex (D) Leaf 42. Fiber crops include: (A) Rubber and Oil palm (B) Tea and Coffee (C) Sugarcane and Sugar beet (D) Cotton, Jute, Flax 43. Spices are mainly obtained from: (A) Fibers (B) Latex (C) Roots, leaves, seeds, and bark (D) Starch 44. Cocoa powder is obtained from: (A) Coffee seeds (B) Cacao seeds (C) Tea leaves (D) Coconut 45. Betel leaf is used for: (A) Chewing (B) Beverage (C) Fiber (D) Rubber 46. Medicinal plants are used for: (A) Textile industry (B) Rubber production (C) Oil extraction (D) Treating diseases 47. Aloe vera is used in: (A) Medicine and cosmetics (B) Oil extraction (C) Beverage (D) Fiber production 48. Economic importance of plants includes: (A) Only food (B) Food, fiber, medicine, and industrial products (C) Only fiber (D) Only medicine 49. Plants providing essential oils are: (A) Coconut, Groundnut, and Mustard (B) Sugarcane, Jute, and Cotton (C) Wheat, Rice, and Maize (D) Mentha, Eucalyptus, and Clove 50. The main aim of economic botany is to: (A) Study plant diseases (B) Classify plants (C) Utilize plants for human benefit (D) Study plant physiology