Multiple choice

Archegonia in ferns secrete a chemical substance to attract sperms. The substance is

  1. puromycin

  2. ascorbic acid

  3. acetic acid

  4. malic acid

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

Archegonia in ferns secrete malic acid, which acts as a chemotactic agent to attract the male gametes (sperms) to the egg.