EVERYDAY SCIENCE

SCIENCE

PLANT KINGDOM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Most of the the algae show Haplontic life cycle but few algae also show Diplontic and Haplo-diplontic life cycle.Fucus shows which life cycle?
A
Haplontic life cycle
B
Diplontic life cycle
C
Haplo-diplontic life cycle
D
None of the above
Explanation: 

Detailed explanation-1: -Fucus, the brown alga has a diplontic life cycle.

Detailed explanation-2: -All seed-bearing plants, the gymnosperms and angiosperms show a diplontic life cycle. Whereas bryophytes and most green algae show haplontic life cycle.

Detailed explanation-3: -Fucus is a genus of brown algae. Alternation of generation is absent in Fucus. The life cycle of Fucus is diplontic.

Detailed explanation-4: -While most algal genera are haplontic, some of them such as Ectocarpus, Polysiphonia, and Kelps are haplo-diplontic. Fucus is diplontic.

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