A) Presence of resin cells
B) Presence of resin ducts
C) Absence of resin ducts
D) Presence of vessels
Correct Answer: B
Solution :
Resin (Terpentine oil) : In Pinus roots, stem and needle, resin ducts are found having odorous oil known as resin. This resin is anticoagulant and do not allow to freeze water even upto \[\text{ }{{30}^{o}}C\] temperature in Pinus plants.
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