Plant Kingdom Question 275
Question: The secondary wood of Pinus is characterised by [MP PMT 1993]
Options:
A) Presence of resin cells
B) Presence of resin ducts
C) Absence of resin ducts
D) Presence of vessels
Show Answer
Answer:
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 $ 30^{o}C $ temperature in Pinus plants.
BETA
