A) Oil content
B) Cellulosic intine
C) Pollenkitt
D) Sporopollenin
Correct Answer: D
Solution :
poropollenin cannot be degraded by enzyme; strong acids and alkali, therefore it is helpful in preserving pollen as fossil. Pollenkitt - Help in insect pollination. Cellulosic Intine - Inner sporoderm layer of pollen grain known as intine made up cellulose & pectin. Oil content - No role is pollen preservation.
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