Multiple choice

Which of the following plants is used as a biofertiliser?

  1. Cercospora personata

  2. Gardenia jasminoides

  3. Azolla pinnata

  4. Abelmoschus esculentus

  5. Gossypium barbadense

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

Azolla is an aquatic fern, which s used as a biofertiliser in rice fields.