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Tranverse groove present in dinoflagella...

Tranverse groove present in dinoflagellates is

A

Sulcus

B

Cingulum

C

Annulus

D

Both (B) and (c)

Text Solution

Verified by Experts

The correct Answer is:
D
The cells of dinoflagellate are generally covered by theca or lorica. Theca contains two grooves, the lingitudinal groove called sulcus and transverse groove known as cingulum or annulus or girdle.
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Knowledge Check

  • Dinoflagellates are

    A
    Fire Alage
    B
    Whorling Whips
    C
    autotrophs
    D
    All the above.

  • Dinoflagellates have-

    A
    A single flagellum in the transverse groove between the cell plates
    B
    A single flagellum in the longitudinal groove between the cell plates
    C
    Two flagella one lies longitudinally and the other transversely in a furrow between the wall plates
    D
    No flagella

  • Dinoflagellates are mostly

    A
    marine and saprophytic
    B
    freshwater and photosynthetic
    C
    marine and photosynthetic
    D
    marine and photosynthetic

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