Question

A tuft of hair present at one or both ends or the seed (for dispersal) is called

• A. Propellar
• B. Coma
• C. Pappus
• D. Wing

Answer 1

The correct option is B Coma

Hair-like persistent structure develops on the fruit by the modification of calyx. These are tufts of hairy outgrowth of testa developed at one or both ends of the bank of river or sea-shore disperse their seeds and fruits by water current for a long distance. A tuft of hair present at one or both ends of the seed (for dispersal is called Coma. Coma is a tuft of hair developed as a crown on the seeds of Calotropis, Holarrhena, Alstonia (two tufts) and most plants of Apocynaceae and Asclepiadaceae.

So the correct answer is 'Coma'.