Blue coloured annual is

A. Alyssum

B. Calendula

C. Tagetus

D. Corn flower

Answer: Option D

Solution(By Examveda Team)

Blue coloured annual is Corn Flower.
Cornflower or Centaurea cyanus, is a cool weather annual that is easily grown in average, medium moisture, well-drained soils in full sun to light shade. Purple blue flowers bloom from late spring into summer and attract butterflies.