NEET Solved Paper 2018 Question 20

Question: Which of the following has proved helpful in preserving pollen as fossils? [NEET - 2018]

Options:

A) Oil content

B) Cellulosic intine

C) Pollenkitt

D) Sporopollenin

Show Answer

Answer:

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.