19) wood is used for making railway sleepers .
a)
Thuza
b) Gnetum
c)
Cedrus deodara
d) Cycas
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Cedrus deodara.........
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Answer:
(b)
Explanation:
Railway sleepers may be made of hardwoods or softwoods, these being used for different purposes and under different conditions. Hardwood railway sleepers are made chiefly from oak, beech, and hornbeam; softwood railway sleepers from Scots pine, maritime pine (Pines pinaster), and larch.
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