Multiple choice

Which condition prevents self-pollination?

  1. Herkogamy

  2. Dichogamy

  3. Self sterility

  4. All the above

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

Herkogamy (physical barriers), Dichogamy (temporal separation of sex organs), and Self-sterility (genetic incompatibility) are all mechanisms that prevent self-pollination.