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Earn 100

In the life cycle of which group flagellated cells are not formed
(a)Chlorophyceae
(b)Phaeophyceae
(c)Rhodophyceae
(d)Both (Phaeophyceae) and (Rhodophyceae)

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Important Questions on Plant Kingdom

MEDIUM
The cell wall of Gracilaria has an outside gelatinous coating.
Dictyota has flagellated spermatium.
Hornworts show haplodiplontic life cycle.
Volvox zygote acts as a zoospore.

MEDIUM
S.No | Type of flagellum | Type of flagellum | Example |
I | Pantonematic | One row | Euglena |
II | Stichonematic | Two rows | Astasia |
III | Acronematic | Absent | Polytoma |
IV | Pantacronematic | Two or more rows | Urceolus |


MEDIUM

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MEDIUM
Reason (R): In Spirogyra, non flagellated gametes will fuse to form zygote.
The correct option among the following is:

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HARD
Identify the figures given below marked as A, B, C, and D.

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