No. It is a partially submerged plant.
Yes, it is a fully-submerged plant
Chara is totally submerged plant. It is found in ponds and ditches.
Yes, it is a fully-submerged plant; it's aquatic.
The hydrilla is a fully submerged plant.
Yes
Yes, bamboo can be fully submerged in water as it is a water-resistant plant material.
Both cattail and water shamrock is partially submerged in a pond
amazon sword plant
No. It is a partially submerged plant.
No, Cabomba is a partially-submerged plant. It is rooted in soil at the bottom of the pond with its leaves, flowers, fruits on or above the surface of the water.
Yes it belongs to the flowering plant family Hydrocharitaceae
No, it is a floating plant, i know you might argue that the roots are underwater while the leaves are above but actually that counts as a floating plant, or else water hyacinth and water lettuce are half-submerged too. Floating plants is a plant that has it's leaves above water and it's roots dangling in water, partially submerged is leaves above water but roots in the soil below water, completely submerged is the roots in the soil below and the leaves also below water surface. -LJTG