Multiple choice questions XXXXXXVI — task. Science CBSE, Class 9.

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1. Which phylum of the animal kingdom does Octopus belong to?

Mollusca
Annelida
Arthropoda
Cnidarian

2. Choose the correct option from the following that best describes the characteristics of Spirogyra.

Multicellular, auto-trophic, root-like rhizoids
Filamentous, presence of Cytoplasmic strands, presence of pyrenoids
Male cones and nonvascular filaments are present
Cytoplasmic strands, autotrophic, presence of rhizome

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