Which of the following aquatic plants is carnivorous and is now common in rice fields?

Question

Seagrasses are flowering plants that grow submerged in shallow marine waters like bays and lagoons. Seagrasses evolved from terrestrial plants that recolonised the ocean 70-100 million years ago. Like terrestrial plants, seagrass also photosynthesise and manufacture their own food and release oxygen. Seagrasses reproduce through both sexual and asexual methods.
Vallisneria is a genus of freshwater aquatic plant, commonly called eelgrass, tape grass or vallis. The genus is widely distributed in tropical and subtropical regions of Asia, Africa, Europe, and North America. It was introduced as an ornamental aquarium plant in India. In Malayalam, it is known as thalayattippullu,vazhakala and mudipayal.
Najas commonly known as rice field water-nymph, a species of aquatic plant found in freshwater habitats, especially still or slow-moving waters, like ponds and in rice fields.
Utricularia, a carnivorous aquatic plant, is now common in rice fields. They occur in fresh water and wet soil as terrestrial or aquatic species across every continent except Antarctica.

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Utricularia

Seagrasses are flowering plants that grow submerged in shallow marine waters like bays and lagoons. Seagrasses evolved from terrestrial plants that recolonised the ocean 70-100 million years ago. Like terrestrial plants, seagrass also photosynthesise and manufacture their own food and release oxygen. Seagrasses reproduce through both sexual and asexual methods.
Vallisneria is a genus of freshwater aquatic plant, commonly called eelgrass, tape grass or vallis. The genus is widely distributed in tropical and subtropical regions of Asia, Africa, Europe, and North America. It was introduced as an ornamental aquarium plant in India. In Malayalam, it is known as thalayattippullu,vazhakala and mudipayal.
Najas commonly known as rice field water-nymph, a species of aquatic plant found in freshwater habitats, especially still or slow-moving waters, like ponds and in rice fields.
Utricularia, a carnivorous aquatic plant, is now common in rice fields. They occur in fresh water and wet soil as terrestrial or aquatic species across every continent except Antarctica.

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