Fossil Plants and Plant Kingdom Evolution · NCERT Biology

Fossil pollen grains are particularly useful because they:

  1. Decompose quickly
  2. Lack protective walls
  3. Are easily preserved
  4. Occur only in bryophytes
Show answer and explanation

Correct answer: Are easily preserved

Pollen grains have resistant outer walls made of sporopollenin. This allows them to be well preserved as fossils.

Difficulty: Medium Question 19 of 20

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