A) Sulcus
B) Cingulum
C) Annulus
D) Both (b) and (c)
Correct Answer: D
Solution :
The cells of dinoflagellate are generally covered by theca or lorica. Theca contains two grooves, the longitudinal groove called sulcus and transverse groove known as cingulum or annulus or girdle.You need to login to perform this action.
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