You are examining a water sample from a pond which is full of water plants. You find an animal which is cylindrical and shows long filamentous structures at one end. It is not stationary and shows a variety of movements. It could be a _______

Paramecium

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Tadpole

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Hydra

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Amoeba

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Solution

The correct option is B Hydra
Hydra is a fresh water animal. Its body is hollow and cylindrical. To its one end (hypastome) are attached 4, 6 or 8 contractile projections (filamentous) known as tentacles. Hydra shows a variety of movements.

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You are examining a water sample from a pond which is full of water plants. You find an animal which is cylindrical and shows long filamentous structures at one end. It is not stationary and shows a variety of movements. It could be a _______

The correct option is B HydraHydra is a fresh water animal. Its body is hollow and cylindrical. To its one end (hypastome) are attached 4, 6 or 8 contractile projections (filamentous) known as tentacles. Hydra shows a variety of movements.

The correct option is B Hydra
Hydra is a fresh water animal. Its body is hollow and cylindrical. To its one end (hypastome) are attached 4, 6 or 8 contractile projections (filamentous) known as tentacles. Hydra shows a variety of movements.