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