In gymnosperms, the 'Softwood' used in the paper pulp industry is characterized by the absence of:
Show answer and explanation
Correct answer: Vessels
Gymnosperm wood is called 'softwood' because it lacks vessels, consisting primarily of tracheids. This uniform structure makes it easier to process into high-quality paper pulp.
Keep practicing
More Economic Importance questions
- The 'Giant Sequoia' (Sequoiadendron giganteum) is economically important primarily for:
- Which of the following gymnosperms is the primary source of 'Chilgoza' nuts, an important edible seed in the Himalayan region?
- The drug 'Ephedrine', used to treat asthma and hay fever, is extracted from which phanerogam?
- Which plant provides the highly valued 'Cedarwood oil' used in perfumery and microscopy?
- Sago, a starch used as food, is traditionally extracted from the pith of which gymnosperm?
- The anti-cancer drug 'Taxol' was originally isolated from the bark of which plant?