________ tissue is present in aquatic plants that gives ________ and helps them to float in water.
Aerenchyma.
Buoyancy.
Aerenchyma:
Final Answer: Aerenchyma tissue is present in aquatic plants that gives buoyancy and helps them to float in water.
In aquatic plants, large air cavities are present in parenchyma to give buoyancy to the plants to help them float. Such a parenchyma type is called __________ .