JAMB Biology 1991 Question 8

Question 8

Plant Kingdom

The annulus of fern sporangium helps in

  1. A.spore dispersal
  2. B.conduction of mineral salts
  3. C.trapping of light energy
  4. D.water retention
Show the answer and explanation

Answer: A (spore dispersal)

Explanation

As the annulus dries it tears the sporangium open and flicks the spores out.