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Phanerogams

Economic Importance Practice Questions

20 free Economic Importance practice questions for the Botany, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.

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20 questions
  1. Q1. Which of the following gymnosperms is the primary source of 'Chilgoza' nuts, an important edible seed in the Himalayan region?
  2. Q2. The drug 'Ephedrine', used to treat asthma and hay fever, is extracted from which phanerogam?
  3. Q3. Which plant provides the highly valued 'Cedarwood oil' used in perfumery and microscopy?
  4. Q4. Sago, a starch used as food, is traditionally extracted from the pith of which gymnosperm?
  5. Q5. The anti-cancer drug 'Taxol' was originally isolated from the bark of which plant?
  6. Q6. Which phanerogam is the source of 'Canada Balsam', a resin used for mounting microscopic slides?
  7. Q7. The essential oil 'Turpentine' is obtained as a byproduct during the distillation of resin from which genus?
  8. Q8. Which of the following is known as the 'Maidenhair tree' and is prized for its extract that improves blood circulation?
  9. Q9. Wood from which gymnosperm is preferred for making high-quality musical instruments like violins and guitars due to its resonance?
  10. Q10. Amber, a gemstone used in jewelry, is actually the fossilized resin of ancient:
  11. Q11. Which species is known as the 'Pencil Cedar' because its wood was traditionally the primary source for pencil casings?
  12. Q12. The 'Naval stores' industry historically relied on which plant products for caulking and waterproofing wooden ships?
  13. Q13. Which of the following gymnosperms is an important source of timber and also yields a resin called 'Venice Turpentine'?
  14. Q14. Kauri copal, a high-quality resin used in varnishes, is obtained from which genus found in New Zealand?
  15. Q15. The seeds of which gymnosperm are commonly used in Japanese and Chinese cuisine, often served at weddings?
  16. Q16. Wood from the 'Douglas Fir' is a leading source of structural timber worldwide. What is its botanical name?
  17. Q17. Which phanerogam is used as an ornamental 'living fence' and also provides 'Red Cedar' wood for moth-proof chests?
  18. Q18. Which of these phanerogams is a source of tannins used in the leather tanning industry?
  19. Q19. In gymnosperms, the 'Softwood' used in the paper pulp industry is characterized by the absence of:
  20. Q20. The 'Giant Sequoia' (Sequoiadendron giganteum) is economically important primarily for: