Multiple choice

In _______, the opening up of flowers proceeds regularly from below to upwards.

  1. basipetal succession

  2. centrifugal succession

  3. acropetal succession

  4. either (1) or (2)

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

Acropetal succession means flowers open from base (older) to apex (younger). Basipetal is opposite (apex to base). Centrifugal refers to development from center outward, not opening sequence. 'Either' creates ambiguity about basipetal vs centrifugal.