Multiple choice

Sporangia bearing leaf in Pteridophytes is called sporophyll. A group of sporangia on fern leaf is called

  1. indusium

  2. apophysis

  3. strobilus

  4. sorus

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

In ferns (Pteridophytes), a cluster or group of sporangia on the underside of a frond is called a sorus. The indusium is the protective covering over the sorus. Apophysis is part of the sporangium stalk, and strobilus is a cone-like structure in some plants.