Among the following, which do not have leaf like photosynthetic part known as frond in their body.
A. Polysiphonia
B. Ectocarpus
C. Porphyra
D. Dictyota
E. Laminaria

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A, B, C and D

C, D and E

A, D and E

A and B

answer is D.

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Detailed Solution

Leaf like photosynthetic part is seen in the red alga Porphyra and brown algae such as Fucus, Dictyota and Laminaria. Fronds are absent in Polysiphonia and Ectocarpus.

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