PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoWrite the economic importance of gymnosperms.
a. Conifers are good sources of . These are used for industry.
b. The conifers used for construction, packing, and plywood industries are .
c. The woods of conifers are used in paper industries are .
d. The resin of pinus is used in the extraction of , an essential oil. This oil is used in the preparation of paints.
e. The alkaloid extracted from Ephedra is known as . It is used to cure .
f. is an ornamental plant.
g. The seeds of is edible.
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