Mutation in CYCLOIDEA gene leads to:
Correct option is B, Radial symmetry. In ABCE & ABCDE MODEL +Synapdrgon flowering problems like this, the accurate statement is Radial symmetry; the others are common mix-ups. Not these: A) Bilateral symmetry; C) Extra petals; D) Loss of sepals. Tissue transport questions usually turn on xylem vs phloem, living vs dead cells, or source vs sink.
Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.