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Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 8

Write the economic importance of gymnosperms. - Science

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Question

Write the economic importance of gymnosperms.

Answer in Brief

Solution

  1. Woods of many conifers are used in the paper industries, for example, Pinus, Agathis.
  2. Conifers are the sources of softwood for construction, packing, and plywood industry example Cedrus, Agathis.
  3. Turpentine is an essential oil used for paint preparation extracted from the resin of Pinus. It is also used medicinally for relief from pain and bronchitis etc.
  4. Seeds of Pinus gerardiana are edible.
  5. Ephedrine is an alkaloid extracted from Ephedra. It cures asthma and respiratory problems.
  6. Araucaria bidwillii is an ornamental plant.
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Chapter 17: Plant Kingdom - Exercises [Page 203]

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Samacheer Kalvi Science [English] Class 8 TN Board
Chapter 17 Plant Kingdom
Exercises | Q VII. 4. | Page 203
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